Bridging Loans:
A Complete Guide
What bridging finance is, how it works in practice, what it genuinely costs, and — critically — where deals fail before completion.
What is a bridging loan?
A bridging loan is a short-term secured finance facility, typically lasting between 1 and 24 months, used to fund property acquisition or refurbishment where longer-term mortgage finance is either unavailable, too slow, or structurally inappropriate at the point of transaction.
The name reflects its original purpose: to bridge a timing gap. A borrower might need funds now — for an auction purchase, a property requiring works before it is mortgageable, or a chain break — while their longer-term finance is pending or not yet available.
A bridging loan is repaid in full at the end of the term, not amortised monthly. The repayment event is your exit strategy — typically a remortgage or a sale. The quality of that exit strategy is the single most important variable in whether a bridging deal succeeds or fails.
Bridging is now mainstream in the UK property finance market. It is used by property investors, developers, landlords, and owner-occupiers across a wide range of scenarios — not only distressed or complex situations.
How bridging finance works
A bridging loan is secured against property — either the property being acquired, or an existing asset provided as security. The lender advances a percentage of the property’s value (the LTV), charges interest for the duration of the loan, and expects full repayment at or before the agreed term end.
A broker submits the case to one or more lenders with a deal summary — security details, loan amount, purpose, and proposed exit. Most lenders issue indicative terms within 24–48 hours.
The lender instructs a valuer to confirm the open market value of the security. For refurbishment deals, a 90-day restricted value and a gross development value (GDV) may both be assessed.
The lender underwrites the borrower’s profile and the deal structure. Solicitors act for both parties to register the charge. This stage typically takes 5 to 15 working days for a straightforward case.
Funds are drawn on completion. For development or refurbishment facilities, funds may be drawn in tranches against staged works, verified by the lender’s monitoring surveyor.
At or before term end, the borrower redeems the loan in full — either by completing a refinance onto a term mortgage, or by completing a sale. The bridging lender’s charge is then removed from the title.
First and second charge
A first charge bridging loan is secured as the primary debt against the property — the bridging lender holds the first legal charge on the title. This is the most common structure for acquisition finance.
A second charge bridging loan sits behind an existing mortgage or charge. The bridging lender’s security ranks second in priority. This structure is used when a borrower needs to release capital from a property they already hold on a mortgage they wish to retain. Second charge facilities carry higher rates to reflect the increased risk to the lender.
When bridging finance is appropriate
Bridging is the correct instrument in a defined set of circumstances. It is not a fallback for failed mortgage applications, nor a substitute for planning. The clearest use cases are:
| Scenario | Why bridging fits | Typical exit |
|---|---|---|
| Auction purchase | 28-day completion deadline cannot be met by a standard mortgage | Refinance to BTL or commercial mortgage |
| Unmortgageable property | Property in poor condition fails lender habitability criteria | Refinance post-refurbishment |
| Chain break | Buyer needs to proceed before their sale completes | Sale of existing property |
| Below market value purchase | Speed required; seller unwilling to wait for standard mortgage timeline | Refinance or sale |
| Light to heavy refurbishment | Works required before the property generates rental income or sale value | Refinance or sale post-works |
| Land or planning gain | No income-producing asset; standard lenders will not lend pre-planning | Development finance or sale with planning |
| Portfolio restructure | Liquidity needed before a sale completes within an existing portfolio | Sale of asset |
The question to ask is not “can I get bridging finance for this?” but “what does the exit look like, and how confident am I in it?” If the exit is clear and credible, bridging is a useful tool. If the exit is speculative, bridging amplifies the risk of the underlying position.
Loan structure and interest
Interest on bridging finance can be structured in three ways. The appropriate choice depends on whether the borrower has income available to service the debt during the loan term.
| Structure | How it works | Best suited to |
|---|---|---|
| Monthly serviced | Borrower pays interest each month. Capital repaid at exit. | Borrowers with serviceable income who want to minimise total interest cost |
| Retained interest | Estimated total interest is deducted from the loan advance upfront. Borrower pays nothing monthly. | Borrowers with no current income from the asset; simplifies cashflow management |
| Rolled-up interest | Interest accrues and compounds monthly. Entire balance — capital plus interest — repaid at exit. | Short-term deals where the exit is imminent and the borrower wants maximum day-one liquidity |
Net vs gross loan amounts. Where interest is retained or rolled up, the amount advanced to the borrower on day one (the net advance) is lower than the headline loan figure (the gross facility). Borrowers should ensure the net advance is sufficient for their purpose after fees and interest are deducted.
Loan-to-value parameters
Most bridging lenders in the UK will advance up to 75% LTV on standard residential security, and up to 70% LTV on commercial property. Development and heavy refurbishment facilities are typically structured against LTGDV (loan to gross development value), capped at 65–70%. Some lenders will go higher with additional security or a personal guarantee, though higher leverage carries correspondingly tighter underwriting.
What bridging finance actually costs
Bridging loan pricing is not captured in a single headline rate. The total cost of borrowing is the sum of several components, and the gap between headline rate and true cost can be significant if fees are not accounted for at the outset. For current Bank of England base rate and mortgage rate data, see our Interest Rate Monitor.
| Cost component | Typical range | Notes |
|---|---|---|
| Interest rate | 0.55% – 1.5% per month | Varies by LTV, asset type, borrower profile, and loan term. As of April 2026, competitive rates for standard residential security at up to 65% LTV begin around 0.55–0.65% per month. |
| Arrangement fee | 1% – 2% of facility | Charged by the lender on completion. Sometimes added to the loan rather than paid upfront. |
| Valuation fee | £400 – £2,000+ | Depends on property value and type. Paid upfront in most cases. Non-refundable if the deal does not complete. |
| Legal fees (lender’s) | £800 – £2,500 | Borrower pays the lender’s legal costs in addition to their own solicitor’s fees. |
| Broker fee | 0.5% – 1.5% of facility | Payable to the broker on completion. A specialist broker’s market knowledge and lender relationships will typically offset this cost many times over. |
| Exit fee | 0% – 1% | Some lenders charge a fee on redemption. Becoming less common but must be checked in the offer letter. |
A £500,000 bridging loan at 0.75% per month, retained for 9 months, with a 1.5% arrangement fee and 1% broker fee, carries a gross interest cost of £33,750 and total fees of approximately £12,500 — a combined cost of around £46,250 before legal costs. This must be factored into the deal appraisal from the outset, not discovered on completion.
Exit strategies — the decisive factor
The exit strategy is the plan by which the bridging loan is repaid in full. It is the single most scrutinised element of any bridging application, and the primary cause of deals failing — not at the point of application, but months later when the exit does not materialise as expected.
Every credible bridging application requires a primary exit and, for more complex deals, a secondary exit as contingency.
Exit 1 — Refinance
The borrower refinances onto a buy-to-let, HMO, commercial, or owner-occupier mortgage at or before the end of the bridging term. This is the most common exit for investment acquisitions and refurbishment projects.
The refinance exit carries risk from three sources:
- Post-works valuation shortfall. The property does not achieve the anticipated GDV after refurbishment, reducing the available refinance LTV below the sum required to repay the bridge.
- ICR failure. The rental income generated does not meet the interest coverage ratio required by the term mortgage lender — typically 125% at a notional stress rate of 5.5% for personal ownership, or 125% at pay rate for limited company. See our BTL guide for a full explanation of ICR thresholds.
- Adverse credit during term. A change in the borrower’s credit profile between bridge drawdown and refinance application renders them ineligible for the intended product.
Exit 2 — Sale
The property is sold and the proceeds used to repay the bridge. This exit is straightforward in logic but vulnerable to market conditions, time on market, and the gap between anticipated and achieved sale price. It should be stress-tested against a 10–15% reduction in anticipated sale price before the bridge is drawn.
Stress-testing the exit before committing
A bridging application built on an optimistic exit assumption is a liability, not a solution. The following questions should be answered before committing to a facility:
Does the anticipated post-works value support a mortgage large enough to repay the bridge in full? · Does the anticipated rental income pass ICR at the term lender’s stress rate? · Is there a credible secondary exit if the primary exit is delayed? · Can you service or extend the bridge if the exit takes three months longer than planned?
What can go wrong — and where deals fail
Bridging finance is a powerful tool and a potentially costly mistake. The risks are real, and they compound if the deal is not structured with adequate margin. These are the most common failure points.
The refinance does not complete or the sale falls through before the bridge expires. The lender has recourse to the security property. This is the primary risk in bridging finance.
Refurbishment works are completed but the post-works valuation is below expectation. The refinance facility available is insufficient to redeem the bridge in full.
Refurbishment costs exceed budget, reducing the equity margin and constraining the refinance LTV available. Common on older stock or properties with latent defects.
Works take longer than projected, pushing the refinance timeline beyond the bridge term. Lenders may extend — at a cost — but extensions are not guaranteed.
Rental income does not meet the term lender’s ICR threshold, preventing refinance. Often occurs when rental forecasts are made at the optimistic end of the market range.
If the bridge is on a variable rate and base rate rises during the term, total interest cost increases. Less significant on short terms but material for facilities of 12 months or more.
If the exit does not materialise, the borrower cannot repay the loan. The lender will ultimately enforce against the security property. This outcome is avoidable through rigorous exit planning — not through optimism.
Bridging vs mortgage — choosing correctly
Bridging and term mortgages are not competing products — they serve different purposes. The question is not which is better, but which is structurally appropriate for the transaction.
Use bridging when
- Speed is essential — auction, chain break, or time-limited opportunity
- The property cannot yet support a mortgage — uninhabitable or pre-works
- The deal requires short-term capital to unlock longer-term value
- A standard mortgage would take too long to complete
- The strategy involves a clear, near-term exit event
Use a mortgage when
- The property is immediately mortgageable
- Speed is not a constraint
- The intention is to hold the asset for the medium to long term
- Monthly payments are preferable to a bullet repayment
- Minimising total interest cost over the loan period is the priority
Using bridging when a mortgage is available and appropriate adds unnecessary cost. Using a mortgage when bridging is structurally correct can cause deals to fail entirely. The distinction matters and the choice should be made on structure, not convenience.
Frequently asked questions
Structuring your bridging deal correctly
Bridging finance rewards careful deal construction. We work from the deal structure outward — not from product to case. If you have a transaction in mind, speak to us before you commit.
This guide is produced for information purposes only and does not constitute regulated financial advice. EAS Finance is a trading name of Elite Admin Services Ltd (FRN 1044838), appointed representative of White Rose Finance Group Ltd (FRN 630772), authorised and regulated by the Financial Conduct Authority. Your property may be repossessed if you do not keep up repayments on a loan secured against it. Think carefully before securing other debts against your home.
Rate information is indicative as at April 2026 and subject to change. Always confirm current terms directly with the lender or your adviser.