Bridging Loans & Interest Relief for UK Property Developers

Who This Guide Is For

This article is aimed at limited company directors running property development businesses in the UK. If your company borrows short-term bridging finance to acquire, refurbish, or develop residential or commercial property, the interest you pay is potentially deductible against your profits — but the rules are more nuanced than many developers realise.

The Basic Rule: Loan Relationships

For UK limited companies, interest on borrowing is governed by the loan relationships rules under Corporation Tax Act 2009. In straightforward terms, if your company takes out a bridging loan for a commercial purpose — such as funding a property development — the interest and finance charges are generally deductible when calculating your Corporation Tax liability. This applies to arrangement fees, exit fees, and monthly interest rolled up or paid in full.

Capital vs Revenue: Why the Distinction Matters

The critical question is whether your company is trading in property or holding it as a capital asset. This affects how and when relief is given:

• Trading developer (buy-to-sell): Interest costs form part of your trading expenses or can be included in the cost of stock (the development itself). Relief is given against trading profits in the period the costs are incurred or when the property is sold, depending on your accounting treatment.
• Investment company (buy-to-let): Interest on bridging finance used to acquire or improve a rental property is deductible against property income. However, once the property is let, ongoing finance costs follow normal property income rules.
• Mixed-use developments: You may need to apportion costs carefully between trading and investment activities, so accurate record-keeping is essential.

Capitalising Interest Into Development Costs

Many developers capitalise bridging loan interest directly into the cost of the development project rather than expensing it immediately. Under FRS 102 (the accounting standard most small and medium limited companies use), you have a policy choice: you may capitalise borrowing costs directly attributable to the construction or development of a qualifying asset. If you capitalise the interest, it forms part of your stock cost and is only relieved when the property is sold — which defers your tax relief. If you expense it, you get relief sooner. Discuss this with your accountant early, as changing your accounting policy later creates complications.

Arrangement Fees and Other Finance Costs

Bridging loans typically carry upfront arrangement fees (often 1–2% of the loan) and exit fees. These are treated as part of the effective interest cost under the loan relationships rules and are deductible in the same way as interest. Make sure these are clearly itemised in your loan agreement so your accountant can treat them correctly.

What HMRC Looks For

HMRC can challenge interest deductions where the borrowing lacks a genuine commercial purpose or where loans are between connected parties at non-commercial rates. Key points to keep clean:

• Ensure the loan is used wholly and exclusively for the development project.
• Keep drawdown records showing funds were used for construction costs, not diverted elsewhere.
• If borrowing from a connected party (such as a director's loan), charge interest at a commercial rate and document it properly.
• Maintain clear accounts separating development projects to make deductions easy to substantiate.

VAT on Bridging Finance

Interest on loans is exempt from VAT, so there is no input VAT to recover on finance charges. However, if your lender charges separate arrangement fees styled as advisory or consultancy fees, check whether VAT applies, as this affects your recoverable input tax position on the overall project.

Practical Next Steps

Before your next development project, agree with your accountant whether to capitalise or expense interest, set up project-level nominal codes in your accounting software, and document the commercial purpose of every loan facility. Getting the treatment right from day one avoids costly corrections at year-end and ensures your Corporation Tax return accurately reflects all allowable deductions.