Commercial Mortgage Explained: How to Finance a Business Property in the UK in 2026

“I Just Wanted a Place for My Business” — A Story Many UK Owners Know

When Priya, a 41-year-old physiotherapist from Leicester, decided to stop renting her clinic space and buy the building outright, she assumed the process would feel similar to buying a home. It didn’t. “The rates were higher, the deposit was enormous, and nobody seemed to explain it in plain English,” she told a business finance adviser last year.

Priya’s experience is far from unusual. Thousands of UK business owners every year consider buying commercial property — a shop, an office, a warehouse, a clinic — and find themselves confronted with a product that works quite differently from a standard residential mortgage. If you’re in the same position, this article is for you.

What Is a Commercial Mortgage?

A commercial mortgage is a loan secured against a property that will be used for business purposes. This could mean:

• A property you’ll trade from directly (an owner-occupier commercial mortgage)
• A property you’ll rent out to another business (a commercial investment mortgage or commercial buy-to-let)

Unlike a residential mortgage, commercial mortgages are largely unregulated by the FCA unless the loan is for a mixed-use property where you also live. This means you have fewer automatic consumer protections, which makes choosing the right lender and getting proper advice even more important.

MoneyHelper tip: The Money and Pensions Service’s MoneyHelper website (moneyhelper.org.uk) has free, impartial guidance on business borrowing. It’s a good first stop before you approach any lender.

How Much Can You Borrow — and What Will It Cost?

In 2026, commercial mortgage rates in the UK typically range from around 6.5% to 10%+, depending on your credit profile, the property type, and the loan-to-value (LTV) ratio. These are noticeably higher than residential mortgage rates, reflecting the greater risk lenders perceive in business lending.

Typical terms to expect:

• Deposit: Usually 25%–40% of the property value (compared to 5%–10% on many residential deals)
• Loan term: 3 to 25 years, though 15 years is common
• Arrangement fees: Often 1%–2% of the loan amount, charged upfront
• Repayment type: Capital repayment or interest-only (the latter is more common in commercial lending)

A realistic example:

Priya wanted to buy her clinic building for £320,000. With a 30% deposit (£96,000), she needed a commercial mortgage of £224,000. At an interest rate of 7.2% over 15 years on a capital repayment basis, her monthly repayments came to approximately £2,025. That was more than her previous rent — but she was now building equity in an asset she owned.

Owner-Occupier vs. Commercial Investment — Know Which One You Need

These two products serve very different purposes:

If you’re a landlord thinking about buying a commercial unit to rent out — say, a small retail unit in a market town — lenders will typically want the rental income to cover 125%–140% of the monthly interest payment, similar to the stress-testing used in residential buy-to-let.

What Lenders Look At — and Where Applications Fall Down

Commercial mortgage applications are assessed very differently from residential ones. Lenders will scrutinise:

1. Your business accounts — usually at least 2–3 years of trading history
2. Business profitability — net profit, not just turnover
3. Your personal credit history — especially if you’re a sole trader or small limited company director
4. The property itself — its condition, location, and ease of resale
5. Your sector — some industries (hospitality, for example) are viewed as higher risk post-pandemic

“We were turned down by our high street bank because our accounts showed a loss in one year — even though we’d been profitable before and since,” said Marcus, a 38-year-old restaurant owner from Bristol. “A specialist broker found us a lender who looked at the full picture.”

This is why using a whole-of-market commercial mortgage broker is strongly recommended. They have access to specialist lenders — including challenger banks and private lenders — who don’t appear on comparison sites.

Don’t Forget the Additional Costs

Buying commercial property in the UK involves several costs beyond the mortgage itself:

• Stamp Duty Land Tax (SDLT): Charged on commercial property purchases over £150,000. The rate is 2% on the portion between £150,001 and £250,000, and 5% above that. (Scotland uses Land and Buildings Transaction Tax; Wales uses Land Transaction Tax.)
• Surveyor fees: A commercial valuation typically costs £1,500–£5,000+
• Solicitor fees: Expect £2,000–£5,000 for commercial conveyancing
• Buildings insurance: Required by the lender from day one

When a Commercial Mortgage Might Not Be the Right Fit

It’s worth being honest with yourself. A commercial mortgage isn’t always the best route, particularly if:

• Your business is less than two years old (many lenders won’t consider you)
• You’re in financial difficulty or have a poor credit history
• The property is unusual (a converted barn, a listed building) and hard to value
• You only need the property for a short period

In these cases, alternatives worth exploring include bridging loans, asset finance, or simply continuing to rent while you rebuild your financial profile.

The Practical Steps Forward

If you’re ready to explore a commercial mortgage seriously, here’s a sensible path:

1. Get your last 3 years of business accounts in order
2. Check your personal credit report (Experian, Equifax, or TransUnion)
3. Speak to a qualified commercial mortgage broker regulated by the FCA
4. Get a Decision in Principle before instructing a solicitor or surveyor
5. Budget for all additional costs — not just the deposit

Priya eventually secured her commercial mortgage through a specialist broker who found a lender willing to work with her NHS-adjacent income profile. The process took four months. “It was stressful,” she admits, “but owning my clinic now feels like a completely different kind of security.”

That security is achievable. It just takes preparation, the right support, and a clear understanding of what you’re getting into.

This article is for informational purposes only and does not constitute regulated financial advice. Commercial mortgages are complex products. Always seek advice from a qualified, FCA-authorised adviser before making any borrowing decisions.