What Is a Bridging Loan? Open vs Closed Bridging Loans Explained
A bridging loan is a short-term secured loan that bridges a temporary funding gap in a property transaction. It is faster to arrange than a standard mortgage, more flexible on criteria, and significantly more expensive. Understanding the difference between open and closed bridging loans determines which structure fits your situation, and how much the choice costs you. This is a bridging loan explained for homeowners, investors, and developers.

A bridging loan UK product is short-term secured lending, usually 1 to 24 months, when you need to complete a property transaction before longer-term finance is in place. A closed bridging loan has a fixed repayment date and lower rates; an open bridging loan has no fixed date and costs more but carries no penalty if you repay later than expected. Both are secured against property and priced by month, not year.
How Does a Bridging Loan Work?
The mechanics are straightforward. You borrow against a property, pay interest monthly or have it retained (rolled into the loan), then repay the full capital when your exit event occurs. Most bridging loans involve retained interest, meaning no monthly payments during the term. The lender calculates the expected interest upfront based on the agreed term, adds it to the loan amount, and you repay both at the end.
Speed is the defining feature. While a standard mortgage takes 4-8 weeks, bridging finance can complete in a week to ten days for straightforward cases. The lender focuses on exit strategy and security value rather than detailed income assessment, which is why people with complex income structures or adverse credit can often access bridging finance when standard mortgages are unavailable.
Common Uses for Bridging Finance
Open vs Closed Bridging Loans: The Core Difference
The distinction is straightforward: a closed bridge has a fixed repayment date; an open bridge does not. The practical consequences flow from that single difference.
Closed Bridge: What Documentation You Need
A closed bridge requires documentary proof that repayment will occur on a specific date. Exchanged contracts with a completion date, a formal mortgage offer with a completion date, or pre-arranged development finance with confirmed drawdown dates all qualify. The lender needs certainty, not expectation.
The Risk of a Missed Closed Bridge Deadline
If your fixed repayment date passes without repayment, penalty clauses apply immediately. Most closed bridge agreements include daily penalty interest and conversion to open bridge terms at higher rates. If your buyer is unreliable, your mortgage offer has outstanding conditions, or any element introduces doubt about the date being met, the lower rate of a closed bridge is not worth the risk. Opt for open.
Open Bridge: What Lenders Still Require
No fixed date does not mean no plan. Open bridge lenders still require a credible exit strategy. A property on the market with evidence of active marketing, a credible refinance plan with realistic valuations, or documented business proceeds all support approval. The more specific and evidenced the plan, the better the terms.
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Discuss Your Bridging RequirementsOpen vs Closed Bridging Loans: Full Comparison
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| Factor | Closed Bridging Loan | Open Bridging Loan |
|---|---|---|
| Repayment date | Fixed and agreed upfront | Flexible within maximum term |
| Typical rate | 0.4% to 0.9% /month | 0.5% to 1.2% /month |
| Documentation | Exchanged contracts, mortgage offer | Marketing evidence, credible plan |
| Approval | Easier with documented exit | More scrutiny of exit strategy |
| Penalty risk | Heavy if deadline missed | None for repaying within term |
| Maximum term | Usually 12 months | Usually 12-18 months |
| Best for | Certain, documented exits | Uncertain or undated timelines |
Bridging Loan Rates: What to Expect
Bridging loans are priced monthly because they are short-term products. The monthly rate compounds across the term, so a 6-month bridge at 0.75% per month does not cost 0.75% total. The actual annual equivalent of 0.75% per month is approximately 9.4%. This is why bridging is suitable for months, not years.
What Determines Your Rate
- LTV: Lower loan-to-value means lower rate. A 50% LTV bridge is materially cheaper than a 75% LTV bridge.
- Exit strategy quality: A clean, documented exit (exchanged contracts) produces better rates than an uncertain one.
- Security quality: Prime residential property in a major city is easier to value and sell than a rural commercial conversion.
- Loan size: Larger loans often attract lower rates because the fixed costs of arrangement represent a smaller proportion.
- Lender: Rates vary significantly between lenders. A whole-of-market broker can compare lenders and products from across the market, subject to lender criteria and availability.
Interest Charging Methods
Retained interest (most common): The lender calculates interest for the full expected term and adds it to the loan upfront. No monthly payments during the term. Total repayment is capital plus retained interest at the end. If you repay early, most lenders refund the unused retained interest, but some charge a minimum period (often 3 months).
Serviced interest: Interest paid monthly, capital remains constant. Lower total cost if you repay early. Requires monthly outgoing budget during the term.
Rolled-up interest: Interest added to the outstanding balance monthly and compounded. Total repayment is capital plus all accumulated interest. Can be expensive over longer terms.
Other Costs to Budget
- Arrangement fee: Typically 1-2% of the loan amount, sometimes added to the loan
- Valuation fee: £500 to £2,000 depending on property value and type
- Legal fees: Your solicitor plus the lender's solicitor, typically £1,500 to £3,000+
- Exit fee: Some lenders charge 1% on redemption. Confirm this before signing.

Exit Strategies: How You Repay the Bridge
Every bridging loan needs a credible exit strategy. This is what distinguishes bridging finance from a standard loan: the lender is explicitly not expecting to run the debt for years. They need confidence it will be cleared.
Sale of an existing property
The most common exit. Your property is on the market or already exchanged. Proceeds from the sale clear the bridge. For a closed bridge, exchanged contracts with a completion date are the ideal documentation.
Refinance onto a standard mortgage
You are using the bridge to purchase, then refinancing once the property is mortgageable. The bridge is repaid from the mortgage drawdown. Lenders want a credible valuation post-purchase and evidence you will meet mortgage affordability.
Development and sale
Buy, develop, sell at profit. Bridge is repaid from the sale proceeds. Lenders assess development timelines, budgets, comparable sale prices, and whether the margin is sufficient to cover all costs including the finance.
Confirmed business or investment proceeds
Sale of a business, investment portfolio, or asset. The timeline may be uncertain (open bridge) or fixed (closed bridge) depending on how far through the transaction you are.
Inheritance or estate proceeds
Waiting for an estate to be administered. Timelines are inherently uncertain, so this typically supports an open bridge. Lenders want documentation of the estate and realistic timelines from a solicitor.
Liquid assets or savings
You have investments or savings you plan to liquidate. Lenders want proof the assets exist, that they are accessible, and a reason why you are not using them directly. Tax efficiency and timing differences are common explanations.
Your Exit Strategy Determines the Structure
If your exit strategy has a documented, certain date, a closed bridge is available. If it is credible but undated, you need an open bridge. If it is speculative or poorly evidenced, you may not qualify for bridging finance at all. Woodhall Mortgages assesses your exit strategy before approaching lenders, so you understand your options before any application is made.
How to Choose: Open or Closed?
The decision comes down to four factors.
- Contracts exchanged with a completion date
- Formal mortgage offer in hand
- Development finance confirmed and dated
- Your buyer is reliable and not in a long chain
- You want the lowest possible rate
- Property on market but not yet exchanged
- Awaiting planning approval or development completion
- Exit timeline is credible but not fixed to a date
- Any doubt about meeting a specific deadline
- Peace of mind matters more than rate saving
For most people, the extra cost of an open bridge on a 6-month term is £1,500-£4,500 on a £250,000 bridge (depending on rate differential). That premium buys you complete freedom from deadline risk. Whether it is worth it depends on your certainty about the exit date and your tolerance for the consequences of a missed deadline.
Halifax Bridging Loan Broker: Whole-of-Market Access
Woodhall Mortgages identifies the right structure and suitable lenders for your specific LTV, exit strategy and loan size. No fee for the initial discussion.
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Woodhall Mortgages arranges bridging finance for homeowners, investors, and developers across the UK. We identify the right structure, the right lenders, and the right exit strategy for your circumstances. No fee for the initial discussion.
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