Commercial Mortgage Broker: The Complete Guide to Commercial Property Finance in the UK (2026)

Buying a shop, warehouse, surgery, office or mixed use building rarely follows the same path as buying a home. There is no standard product list, no comparison site that shows every lender, and no guarantee that the bank you have used for fifteen years will offer sensible terms. Two businesses with almost identical accounts can receive very different answers from the same lender in the same month.

That unpredictability is the reason a commercial mortgage broker like James Young & Associates exists. A good one knows which lenders are actively writing business, which have quietly withdrawn from a sector, and how each one interprets accounts, tenancy schedules and property condition. That knowledge often decides whether a purchase completes on time or collapses at the valuation stage.

This guide explains how commercial property finance works in the UK, what lenders look for, what deposits and rates realistically look like, and where a commercial mortgage broker adds value that you cannot easily replicate on your own. It covers owner occupied purchases, investment property, semi commercial buildings, buy to let commercial mortgages, interest only structures, bridging finance and remortgages.

Lending policy changes frequently, and every lender applies its own criteria. Treat the figures here as typical market ranges rather than guarantees, and confirm current terms with an FCA regulated broker or lender before committing to anything.

What Is a Commercial Mortgage Broker?

A commercial mortgage broker is a specialist intermediary who arranges loans secured against commercial or mixed use property. They sit between the borrower and the lender, translating a business or investment case into the format a credit committee expects to see, then negotiating terms on the borrower’s behalf.

The role differs from that of a residential adviser in three important ways. First, commercial lending is priced case by case rather than from a published rate card. Second, the lender is assessing a business or an income producing asset, not simply a salary. Third, most commercial mortgages fall outside the scope of FCA regulated mortgage contracts, which gives lenders far more discretion in how they structure a deal.

In practice, a commercial finance broker will:

• Establish what you are buying, why, and how the debt will be repaid
• Assess affordability, deposit and structure before approaching anyone
• Identify the lenders whose appetite genuinely matches the case
• Package accounts, forecasts, leases and property information into a credible submission
• Negotiate rate, term, loan to value, fees and covenants
• Manage valuation, legal work and drawdown through to completion

Some brokers are directly authorised by the Financial Conduct Authority, others operate as appointed representatives of a principal firm, and a number handle purely unregulated commercial lending. Whichever applies, you can check a firm’s status on the FCA’s Financial Services Register before you share sensitive information.

How Does a Commercial Mortgage Broker Work?

The process is far less mechanical than a residential application. A broker is effectively building an argument, and the strength of that argument determines the price you pay.

Fact finding and structuring

The first conversation should be diagnostic. Expect questions about the property, the tenant or trading business, the deposit source, your experience, your credit history and your exit strategy. A broker who quotes a rate before understanding those points is guessing.

Structuring decisions often matter more than rate shopping. Whether you borrow personally, through a limited company or through a pension, whether the term runs fifteen or twenty five years, and whether repayments are capital and interest or interest only will all shape the offers available.

Lender selection

The commercial lending market includes clearing banks, challenger banks, building societies, specialist commercial lenders, debt funds and short term bridging providers. Appetite shifts constantly. A lender that loved leisure assets last year may have stopped entirely. Brokers who place volume across the market usually know this before it is public.

Packaging and submission

This is where experience shows. The same set of accounts can look strong or fragile depending on how the narrative is presented. A broker will explain a dip in profit caused by a one off investment, evidence a tenant’s covenant strength, or provide a schedule showing rental cover comfortably above the lender’s minimum. Credit teams reward clarity.

Negotiation and completion

Once a lender issues terms, the broker challenges the elements that carry real cost: margin, arrangement fee, loan to value, early repayment charges, personal guarantee levels and any covenant that could trigger a review later. After acceptance, they coordinate the valuer, solicitors and lender to keep the case moving.

Understanding that process makes the next question easier to answer: does it matter whether your broker is independent?

Why Use an Independent Commercial Mortgage Broker?

Independence determines how wide the search actually is. Some intermediaries work from a limited panel, sometimes because of commercial arrangements rather than borrower benefit. An independent commercial mortgage broker with whole of market access can approach any lender that fits, including those that accept introductions only from established intermediaries.

That access matters more than it sounds. A meaningful part of the UK commercial lending market does not deal directly with the public at all. Several specialist lenders, particularly those funding semi commercial stock, trading businesses and heavier refurbishment projects, distribute exclusively through brokers. Without an intermediary, those options are simply invisible.

Independence also improves objectivity. An adviser with no obligation to place a set volume with any single lender can tell you honestly when the best answer is to wait, restructure, or use a completely different product such as an asset finance facility or a short term bridge.

Ask any broker directly whether they are whole of market, panel based or tied, and how they are paid. A straight answer is a reasonable expectation.

Who Needs a Commercial Mortgage Broker?

Not every borrower needs one, but most benefit. The cases where a broker earns their keep tend to share one feature: something about the deal falls outside a standard credit template.

• Owner occupiers buying premises for their own trading business, particularly where accounts are recovering or the business is newly incorporated
• Property investors building a portfolio of commercial or mixed use assets
• Landlords moving from residential buy to let into commercial investment property
• Developers refinancing completed schemes onto longer term debt
• Self employed borrowers and company directors whose income is drawn in a way high street underwriters struggle to assess
• Buyers with unusual assets such as care homes, holiday parks, petrol stations, nurseries, public houses and student accommodation
• Anyone under time pressure, especially at auction, where a missed deadline costs the deposit
• Borrowers with adverse credit or a previous decline who need the case placed correctly first time

If your case is a straightforward purchase of a modern industrial unit by a profitable, long established company with a large deposit and an existing banking relationship, your bank may well offer competitive terms. Even then, a broker gives you a benchmark to negotiate against.

Benefits of Using a Commercial Mortgage Broker

The value is practical rather than abstract, and it usually shows up in four places.

Access. Broker only lenders, private funding lines and regional building societies with specific local appetite are not available on the open market.

Pricing. Commercial rates are negotiated. A broker who places regular volume with a lender has leverage on margin and arrangement fee that an individual applicant rarely has.

Speed. Knowing which lender will accept a particular valuation basis, tenancy structure or company type avoids weeks of dead ends. In bridging and auction cases, that alone can be the difference between completing and losing the property.

Protection of your credit profile. Multiple speculative applications leave a trail. A broker should establish appetite informally before any formal credit search takes place.

There is also a less obvious benefit. A broker who reviews hundreds of deals a year will spot problems early: a short lease, a restrictive planning use, an unresolved title issue, a tenant in arrears. Finding those at week one is inconvenient. Finding them at week eight is expensive.

With the role clear, the next step is understanding which type of facility fits your situation.

Types of Commercial Mortgages

Commercial property finance is not one product. The right structure depends on who occupies the building, how income is generated and how long you intend to hold the asset.

Owner Occupied Commercial Mortgage

This is a business mortgage used to buy or refinance premises your own company trades from: a workshop, dental practice, restaurant, office or industrial unit.

Affordability is assessed against the trading performance of the business rather than rental income. Lenders typically review two to three years of filed accounts plus recent management figures, and add back non cash items such as depreciation and directors’ remuneration where appropriate to establish serviceability.

Owner occupied deals often attract slightly higher loan to value than pure investment purchases, because lenders view an occupying business as strongly motivated to protect its premises. Many trading businesses find that a mortgage payment sits close to the rent they were already paying, with the added benefit of building equity and controlling the lease terms.

Commercial Investment Mortgage

Used to buy property let to third party tenants. Here the lender is underwriting the income stream rather than your business.

Key considerations include the length of unexpired lease term, break clauses, tenant covenant strength, the rent free periods granted, and whether the rent is sustainable if the tenant leaves. Most lenders apply a debt service coverage requirement, commonly in the region of 125 to 150 per cent of the loan payment, stressed at a rate above the pay rate. Requirements vary considerably between lenders.

Single let assets with one strong tenant are usually priced keenly. Multi let buildings spread risk but demand more active management, and lenders will want to see you can handle voids.

Semi Commercial Mortgage

A semi commercial mortgage funds mixed use property: the classic example is a shop with two flats above, or a public house with residential accommodation. These assets are popular with investors because the residential element adds value stability while the commercial element drives yield.

Lenders assess the split by floor area or value. A property that is predominantly residential is often treated more generously on loan to value than a purely commercial one. Stamp duty on mixed use property is charged at non residential rates, which can produce a meaningful saving compared with a wholly residential purchase of the same price, though HMRC scrutinises mixed use claims closely and you should take advice from a tax specialist.

One regulatory point matters here. If you or a close family member will occupy 40 per cent or more of the property as a dwelling, the loan may fall within the definition of a regulated mortgage contract, which changes who can advise on it and how it is sold. A broker should identify this at the outset.

Buy to Let Commercial Mortgage

The phrase is used loosely in the market. It generally refers to finance for landlords buying property to let out where the asset or the borrowing structure sits outside standard residential buy to let. That includes houses in multiple occupation at scale, blocks of flats held on a single title, serviced accommodation, and portfolios held in a limited company.

Lenders in this space test rental income against the loan using an interest cover ratio, stressed at a notional rate that is usually higher than the pay rate. Portfolio landlords should expect a full portfolio review covering every property owned, including background gearing and aggregate rental cover.

Commercial Property Buy to Let Mortgage

Where the buy to let commercial mortgage above often blends residential characteristics, a commercial property buy to let mortgage is straightforward investment lending against a building let to a business tenant. A landlord buying a trade counter unit let to a national plumbing merchant on a ten year lease is using this product.

The underwriting focus is almost entirely on the lease and the tenant. Expect the lender to ask for the full tenancy schedule, evidence of rent receipt, details of any rent deposit or guarantor, and confirmation of repairing obligations. A full repairing and insuring lease transfers maintenance responsibility to the tenant and is generally viewed favourably.

Interest Only Commercial Mortgage

On an interest only commercial mortgage you pay only the interest during the term, leaving the capital outstanding at the end. It is common on investment property, where it maximises monthly cash flow and improves yield on equity.

Lenders will want a credible repayment strategy: sale of the asset, refinance, or sale of other assets. Some offer part and part structures, where a proportion of the loan amortises and the balance stays interest only. Owner occupiers are more often asked to take capital and interest, because the lender wants the debt reducing over the life of the business.

Bridging Finance for Commercial Property

Bridging is short term, interest bearing debt used where speed or property condition rules out a term loan. Typical scenarios include auction purchases with a twenty eight day deadline, buildings that are vacant or unlettable, properties needing refurbishment before they will value properly, and purchases where VAT is payable on the price and needs funding until it is reclaimed.

Terms usually run from three to twenty four months. Interest is often rolled up or retained rather than paid monthly, which preserves cash flow but increases the total cost. Because the lender is underwriting the exit rather than the income, the exit must be realistic and evidenced. Bridging used without a firm exit is one of the more expensive mistakes in property finance.

Commercial Remortgages

Refinancing an existing commercial property loan can reduce cost, release equity for further purchases, move from a bank facility with an annual review clause to a fixed term product, or restructure ownership.

The usual triggers are the end of a fixed rate period, a lender review that produces unattractive terms, an increase in property value following letting or refurbishment, or a change in strategy. Because commercial valuations are heavily influenced by income, a property that was vacant at purchase and is now fully let can support considerably more debt than it did before.

Whichever product suits, the deposit is usually the first practical hurdle.

Commercial Mortgage Deposit Explained

The commercial mortgage deposit is the share of the purchase price you fund yourself. It is expressed through loan to value, which is simply the loan divided by the property value. A 70 per cent loan to value facility on a £600,000 building means a £420,000 loan and a £180,000 deposit.

Typical deposit requirements

Commercial deposits are larger than residential ones because commercial property values move more sharply and take longer to sell. Most cases sit between 25 and 40 per cent, though the range widens at both ends depending on asset and borrower.

These are market observations, not offers. Individual lenders will differ, and appetite changes with economic conditions.

Value or purchase price, whichever is lower

Lenders almost always lend against the lower of the purchase price and the valuation. If you agree £700,000 and the valuer returns £650,000, a 70 per cent facility funds £455,000 rather than £490,000, and you must find the difference. This is one of the most common causes of a deal falling apart late, and it is why an experienced broker will sense check pricing against comparable evidence before submission.

Factors affecting deposit size

• Property type and marketability. A modern industrial unit near a motorway junction is easier to resell than a village public house
• Income quality. A long unexpired lease to a strong tenant supports higher gearing
• Trading history. Established, profitable businesses attract better terms than start ups
• Experience. Investors with a track record of similar assets are treated more favourably
• Credit profile. Adverse history usually means lower loan to value rather than an outright decline
• Property condition. Buildings needing significant work are valued on current state, not finished value
• Loan size. Very small loans and very large ones both narrow the lender pool

Deposit is also where borrowers most often ask whether it can be avoided entirely.

Can You Get a 100 Commercial Mortgage?

A 100 commercial mortgage, meaning finance covering the entire purchase price with no cash deposit, exists but is uncommon and always structured. No mainstream lender advances 100 per cent against a single property with no other support. The risk is simply too concentrated.

Where full funding is achieved, it is normally through one of the following routes.

Additional security

The most frequent approach. A lender advances 100 per cent of the purchase price but takes a charge over another property you own with sufficient equity. The overall exposure across both assets might sit at 65 per cent, so the lender’s position is conservative even though your cash contribution is nil.

Cross collateralisation

A variation used by portfolio owners, where several properties are charged to one lender and tested as a group. It can unlock significant borrowing capacity, but it also links assets together. If one property underperforms, the whole facility can be affected, and selling an individual asset later usually requires the lender’s consent and a partial repayment.

Guarantors

A personal or corporate guarantee from a party with genuine assets can support higher gearing. A guarantee is a serious commitment and should never be signed without independent legal advice. Note that a guarantee alone rarely creates a 100 per cent facility without tangible security behind it.

Alternative and layered finance

Some borrowers combine a senior commercial mortgage at, say, 70 per cent with mezzanine finance or a second charge covering part of the balance. Others use government backed lending schemes administered through the British Business Bank, or asset finance released against plant and machinery, to reduce the cash required. Layered structures increase total cost and complexity, and eligibility for any scheme should be confirmed directly, since criteria change.

Why true 100 per cent commercial mortgages are rare

Three reasons. Commercial values are income driven and can fall quickly if a tenant leaves. Sale periods are long, so a lender in possession may hold an empty building for a year or more. And a borrower with no equity has less incentive to support the asset through a difficult period. Any offer of a genuine 100 per cent facility with no additional security and no guarantee deserves careful scrutiny, particularly if it comes with a large upfront fee.

Commercial Mortgage Rates

Commercial mortgage rates are quoted as a margin over a reference rate, usually the Bank of England base rate or a swap rate for fixed products. A quote of base plus 3.25 per cent moves with base rate, while a fixed rate is priced off market expectations at the time terms are issued.

Fixed versus variable

Fixed rates are commonly available over two, three, five and occasionally ten years. They buy certainty, which matters if the property is tightly geared or the business is sensitive to cost changes. The trade off is that fixed products usually carry firmer early repayment charges.

Variable and tracker rates start lower in many market conditions and often carry lighter exit penalties, which suits borrowers planning to sell, refinance or improve the asset within a few years. Some facilities offer a fixed period followed by a reversion to a variable margin.

What actually drives your rate

• Loan to value. The single biggest lever. Dropping from 75 to 65 per cent can materially improve pricing
• Asset type. Industrial and mixed use stock generally price better than leisure or specialist trading assets
• Income cover. Comfortable rental or profit cover reduces perceived risk
• Term length. Longer commitments may carry a premium
• Loan size. Larger facilities often attract finer margins
• Borrower strength. Trading history, experience and credit profile all feed in
• Tenant covenant. A government backed or listed company tenant is priced differently from an unproven start up

Where broker negotiation makes a difference

Because pricing is discretionary, there is usually room to move. A broker will challenge the margin, the arrangement fee, the length of any early repayment charge and the level of personal guarantee. Presenting a competing indicative offer is the most effective tool. It is also worth remembering that the headline rate is only one part of the cost, a point covered in more detail below.

Commercial Mortgage Eligibility

Lenders are answering one question: will this debt be repaid on time and in full? Everything they ask for supports that assessment.

Income and affordability

Owner occupied applications are tested against adjusted business profit, typically over two to three years, with recent management accounts to confirm current trading. Investment applications are tested against rental income using a debt service coverage ratio, stressed at a rate above the pay rate to allow for future increases. Requirements vary, and some lenders will consider a shorter trading history where the sector experience is strong.

Trading history

Two or three years of filed accounts is the usual expectation. Newly formed companies are not automatically excluded, particularly where directors have relevant experience or where a special purpose vehicle has been created purely to hold the property. A new company buying a tenanted building with a long lease in place is a very different proposition from a genuine start up.

Credit profile

Both business and personal credit records are reviewed. Missed payments, county court judgments, defaults and previous insolvency will be examined, but commercial lenders are generally more willing than residential ones to consider context. Disclose adverse credit at the start. Discovering it during underwriting damages credibility and usually costs the deal.

Business plans and forecasts

Required where the case involves growth, a change of use, a refurbishment or a business purchase alongside the property. A useful plan is short, specific and supported by figures that reconcile with the accounts. Include a sensitivity analysis showing what happens if income falls or rates rise, because the credit team will run that test regardless.

Property valuation

A RICS registered valuer will report on market value, and often on market value subject to vacant possession as well. The vacant possession figure can be significantly lower for a specialist trading asset, and some lenders size the loan against it. The report also covers condition, tenure, planning use, environmental risk and marketability.

Documentation checklist

• Two to three years of statutory accounts, plus recent management figures
• Six to twelve months of business bank statements
• Personal asset and liability statement for each director or shareholder
• Proof of identity and residential address history
• Evidence and source of the deposit
• Tenancy schedule, leases and rent receipt evidence for investment cases
• Details of the property including EPC, planning use and any refurbishment schedule
• Business plan and forecasts where relevant
• Details of existing borrowing and portfolio schedule for landlords

Assembling this before you apply, rather than during, shortens the process considerably.

How to Apply Through a Commercial Mortgage Broker

A typical application follows seven stages. Timescales vary with complexity, but a straightforward investment purchase often completes in eight to twelve weeks, while owner occupied and specialist cases can take longer.

1. Initial consultation. The broker reviews the property, your objectives, deposit, income and credit position, and confirms whether the case is viable as presented or needs restructuring
2. Market research and indicative terms. The broker approaches suitable lenders informally to establish appetite and obtain heads of terms, usually within a week or two, without triggering formal credit searches
3. Decision in principle. Once you select a route, the lender issues an agreement in principle subject to valuation and underwriting. This is not a commitment to lend
4. Full application and packaging. The complete submission goes in with all supporting documents. Fees for valuation and any commitment fee are usually paid at this point
5. Valuation. The lender instructs a RICS valuer. Allow one to three weeks for inspection and report, longer for complex or remote assets. This is the most common point at which terms are revised
6. Formal offer and legal work. Following underwriting, the lender issues a facility letter. Solicitors act for both sides, and you will normally pay the lender’s legal costs as well as your own. Searches, title review and any leasehold enquiries happen here
7. Completion and drawdown. Funds are released, the charge is registered at HM Land Registry, and the facility begins

Two practical points. First, respond to information requests the same day where possible, because underwriters work through cases in the order that files become complete. Second, if anything material changes during the process, a lost tenant, a fall in trading, a new borrowing commitment, tell your broker immediately. Problems disclosed early can usually be managed. Problems discovered by the lender rarely can.

Commercial Mortgage Costs Beyond Interest

The rate is the most visible cost but rarely the largest in year one. Budget for the following.

Two costs deserve extra attention. The valuation fee is spent whether or not the deal proceeds, so it is worth confirming the lender’s appetite thoroughly before instructing. And early repayment charges can be severe on long fixed rates. If there is any prospect of selling or refinancing within the fixed period, negotiate this at heads of terms stage rather than discovering it in the facility letter.

Do not forget stamp duty land tax at non residential rates, VAT where the seller has opted to tax, and buildings insurance meeting the lender’s requirements. On an opted property, VAT is payable on completion and reclaimed later, which creates a genuine short term funding need that lenders will not usually cover within the main facility.

Common Reasons Commercial Mortgage Applications Are Declined

Most declines are avoidable. The recurring causes are:

• Down valuation. The valuer disagrees with the agreed price and the loan shrinks
• Insufficient income cover. Rent or profit fails the lender’s stress test
• Weak or short lease. A tenant with two years left and a break clause offers little security
• Unexplained accounts. A drop in turnover or profit with no accompanying commentary
• Undisclosed adverse credit. Found during underwriting rather than declared upfront
• Deposit source not evidenced. Anti money laundering requirements are strict and non negotiable
• Property outside appetite. Specialist use, poor condition, unusual construction, contamination risk or a location the lender avoids
• Title and planning problems. Restrictive covenants, absent planning consent for the current use, access issues or a short leasehold term
• No credible exit on short term debt. Especially in bridging
• Compliance gaps. An EPC below the minimum standard required to let commercial property can restrict lending until improvements are made

Each of these is easier to address before an application than after one.

How a Broker Improves Approval Chances

A broker cannot make a weak deal strong, but they can stop a strong deal being presented badly. The practical contributions are:

• Testing the case against realistic criteria before any lender sees it
• Selecting lenders whose current appetite matches the asset, avoiding predictable declines
• Providing supporting commentary that explains anomalies in the accounts
• Sense checking the purchase price against comparable evidence to reduce down valuation risk
• Identifying title, planning or lease issues early and involving solicitors sooner
• Structuring the borrowing entity and repayment basis to fit lender preferences
• Preparing you for the questions underwriters will ask, so answers are ready
• Keeping momentum by chasing valuers, solicitors and underwriters

Where a case has already been declined, a broker can often diagnose the reason and place it elsewhere, provided the previous application has not created a pattern of credit searches.

Commercial Mortgage Broker vs Going Direct to a Bank

Your own bank is a legitimate option, particularly if you have a long relationship and a strong balance sheet. The differences are worth understanding.

A sensible approach is to obtain a quotation from your own bank and ask a broker to benchmark it. If the bank is competitive, you will know. If it is not, you have alternatives.

Choosing the Right Commercial Mortgage Broker

Quality varies widely in this market, and the cost of choosing badly is measured in months as well as money.

Questions worth asking

• Are you whole of market, or do you work from a panel?
• How many cases like mine have you completed in the past year?
• Which lenders do you expect to approach, and why those?
• What are your fees, when are they payable, and are they refundable?
• Do you receive commission from lenders, and will you disclose the amount?
• Who will handle my case day to day?
• What is your realistic timescale from application to completion?
• What would cause this deal to fail, and how would you manage that?

What good looks like

Relevant experience. Sector specialisation matters. A broker who regularly funds care homes will know things a generalist does not.

Genuine market access. Ask which lenders they have completed with recently, not which ones they could theoretically approach.

Transparent fees. A written fee agreement setting out the amount, the trigger point and any refund position. Success based fees align incentives better than large non refundable upfront charges.

Clear regulatory position. Check the firm on the FCA Financial Services Register. Even where the lending itself is unregulated, an authorised firm operates under standards and complaints procedures that matter if something goes wrong.

Credible reviews. Look for detailed feedback describing the type of deal, and ask for a client reference on a comparable case.

Red flags

• Large upfront fees demanded before any lender research has taken place
• Guaranteed approval, guaranteed rates or promises made before seeing your accounts
• Reluctance to name the lenders being approached
• Pressure to sign quickly or to pay by unusual methods
• Vague answers about regulatory status or professional indemnity cover
• Offers of 100 per cent funding with no security and no guarantee

Real World Example

The following is an illustrative scenario based on typical market circumstances. Figures are examples only.

An investor with a small residential portfolio agreed to buy a parade of three retail units with four flats above in a Yorkshire market town for £820,000. Two shops were let on leases with five years unexpired, one was vacant, and three of the four flats were tenanted. The gross rent was £74,000 with the vacant units let.

Her own bank declined. The vacant elements meant the passing rent failed their cover test, and the mixed use nature of the asset sat outside their standard investment policy.

A commercial mortgage broker restructured the approach in three ways. The purchase was placed in a limited company for tax planning and lender preference reasons. The case was presented to a semi commercial lender that assessed the residential and commercial elements separately rather than applying a single blanket test. And the vacant shop was excluded from day one income, with a schedule showing local letting evidence to support its future contribution.

The lender offered 70 per cent of the purchase price, £574,000, on an interest only basis over a fifteen year term with a five year fixed rate, subject to a personal guarantee capped at 25 per cent of the facility. The valuation came in at the purchase price. The arrangement fee was added to the loan, and the broker negotiated the early repayment charge down from five years to three, on the basis that the investor intended to refinance once the vacant unit was let and the flats were refurbished.

Completion took ten weeks. Eighteen months later, with the vacant shop let on a ten year lease and the flats improved, the property was revalued at £960,000 and refinanced at 70 per cent, releasing £98,000 towards the next acquisition. The point is not the numbers, which will differ in every case, but the sequence: correct structure, correct lender, evidenced income, and a refinance plan built in from the start.

Common Mistakes to Avoid

• Focusing only on the headline rate. Fees, term, early repayment charges and guarantee levels can outweigh a small margin difference
• Underestimating total costs. Stamp duty, VAT, legal fees on both sides, survey and insurance add up quickly
• Applying to several lenders at once. Multiple credit searches signal difficulty and can harm your profile
• Ignoring the valuation risk. Overpaying in a competitive process leaves a funding gap that must be filled with cash
• Leaving finance until after exchange. Especially dangerous at auction, where the deposit is at risk
• Overlooking the lease detail. Break clauses, repairing obligations and rent review terms directly affect what a lender will advance
• Choosing interest only by default. Lower payments are attractive, but the capital still has to be repaid
• Failing to plan the exit. Every facility ends. Know how the next one will be arranged before you sign this one
• Signing personal guarantees without advice. Understand exactly what is at risk and whether the exposure can be capped or insured
• Neglecting compliance. Energy performance standards, planning use and building safety obligations can all restrict lending and letting

Frequently Asked Questions

What does a commercial mortgage broker do?

A commercial mortgage broker assesses your borrowing requirement, searches the lender market, packages the application, negotiates terms and manages the case through valuation, legal work and completion. They act for the borrower rather than the lender.

How much deposit do I need for a commercial mortgage?

Most commercial mortgages require between 25 and 40 per cent of the property value. Owner occupied purchases by established businesses can sometimes reach 80 per cent loan to value, while specialist or vacant properties may require 40 per cent or more. Requirements differ by lender and by asset.

Are commercial mortgage rates higher than residential rates?

Generally yes. Commercial lending carries greater risk because values are income dependent and properties take longer to sell. Rates are usually quoted as a margin over the Bank of England base rate or a swap rate, and are negotiated case by case rather than published.

What is a semi commercial mortgage?

A semi commercial mortgage funds mixed use property containing both commercial and residential elements, such as a shop with flats above. Lenders assess the split by floor area or value, and these assets often attract slightly higher loan to value than wholly commercial property.

Can I get an interest only commercial mortgage?

Yes, particularly on investment property. You pay interest only during the term and repay the capital at the end through sale or refinance. Lenders require a credible repayment strategy, and owner occupiers are more often asked to take capital and interest.

Is a 100 commercial mortgage possible?

Only with additional support. Full funding is typically achieved by offering another property as extra security, using cross collateralisation across a portfolio, providing a guarantor, or layering finance sources. A genuine 100 per cent advance against one property with no security is not a mainstream product.

How long does a commercial mortgage application take?

Eight to twelve weeks is typical for a straightforward case, from application to completion. Complex, specialist or portfolio cases take longer. Bridging finance can complete in two to four weeks where the legal position is clean.

Can I get a commercial mortgage with bad credit?

Often yes. Commercial lenders assess context rather than applying automated scoring, so the reason for and age of the adverse credit matters. Expect lower loan to value and a higher margin. Disclose everything at the outset, because concealment is what usually kills these applications.

Do commercial mortgage brokers charge a fee?

Most do. Fees are either a fixed amount or a percentage of the loan, commonly payable on offer or completion, and some brokers also receive commission from the lender. A reputable firm will set this out in writing before you commit and will disclose lender commission on request.

What is loan to value on a commercial mortgage?

Loan to value is the loan divided by the property value, expressed as a percentage. Lenders use the lower of the purchase price and the valuation, so a down valuation reduces the loan available and increases the cash you must contribute.

Can a new business get a commercial mortgage?

It is harder but achievable. Lenders look for relevant industry experience, a larger deposit, credible forecasts and often a personal guarantee. A new limited company created purely to hold an already tenanted investment property is treated very differently from a genuine trading start up.

What term can I borrow over?

Commercial mortgage terms commonly run from five to twenty five years, with some lenders offering up to thirty. Bridging finance runs from three to twenty four months. Shorter terms increase monthly payments but reduce total interest.

Are commercial mortgages regulated by the FCA?

Most are not. A loan generally becomes a regulated mortgage contract where at least 40 per cent of the property is occupied as a dwelling by the borrower or a close family member, which can apply to some semi commercial cases. Your broker should confirm the position at the start.

Can I use a commercial mortgage to buy a business with the property?

Yes. Lending against a trading business and its premises together is common in sectors such as hospitality, care and childcare. The lender assesses both the property value and the sustainable profit of the business, and will usually want to see the vacant possession value as well.

Should I buy commercial property personally or through a limited company?

Both are used. Company ownership is common for investment property because of how profits and interest are taxed, while personal ownership can be simpler for owner occupiers. The right answer depends on your circumstances, so take advice from an accountant before deciding, since the structure is difficult to change later.

Conclusion

Commercial property finance rewards preparation. The borrowers who secure the best terms are rarely the ones with the largest deposits. They are the ones who understood their numbers, chose the right structure, approached lenders whose appetite matched the asset, and evidenced everything they claimed.

A commercial mortgage broker shortens that path. They know which lenders are lending today, how each one interprets a set of accounts or a tenancy schedule, and where the negotiating room sits on rate, fees and covenants. On a complex case, that knowledge is often the difference between an offer and a decline.

Before you commit, compare more than one lender, read the facility letter properly, understand every fee and every early repayment charge, and take independent legal advice on any personal guarantee. Speak to your accountant about ownership structure and tax, and to a RICS surveyor about the condition of the building.

Lending criteria, interest rates and regulatory requirements change regularly. Confirm current terms with an FCA regulated commercial mortgage broker or lender, and check official sources such as the Financial Conduct Authority, HM Land Registry and Companies House where relevant to your transaction.

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