Bridge to Let Mortgage

A bridge to let mortgage combines a short term bridging loan with a pre approved buy to let mortgage in a single, coordinated package. Instead of arranging bridging finance with one lender and then separately applying for a buy to let mortgage with another, a bridge to let product handles both stages through one lender, one application, and one set of legal fees.

This guide explains how bridge to let works, why it exists, who it suits, the costs involved, and how it compares to arranging bridging and a buy to let mortgage separately.

How Bridge to Let Works

A bridge to let mortgage has two phases that are underwritten together at the point of application.

Phase one: the bridging loan. This is a short term loan, typically lasting 6 to 18 months, that funds the property purchase. The bridging loan allows you to complete quickly, which is essential for auction purchases or when buying properties that are not yet mortgageable due to their condition.

Phase two: the buy to let mortgage. Once the property is in a lettable condition, the bridging loan automatically converts into a long term buy to let mortgage with the same lender. There is no new application, no second valuation in most cases, and no second set of solicitor fees. The lender inspects the property to confirm the works are complete and the property meets their lending standards, and then the BTL mortgage replaces the bridge.

Both phases are approved at the outset. When you apply, the lender assesses you for both the bridging loan and the buy to let mortgage simultaneously. This means you know from day one that your exit is confirmed, removing the uncertainty that comes with arranging two separate facilities.

How It Differs from Separate Bridging Then Remortgage

The traditional approach to buying a property that needs work before it can be let is to arrange a standalone bridging loan, complete the refurbishment, and then apply for a buy to let mortgage with a different lender once the property is ready. This works, but it introduces several inefficiencies that a bridge to let product eliminates.

One application vs two. With separate facilities, you go through the application and underwriting process twice. With bridge to let, you apply once and both phases are approved together.

One set of legal fees vs two. Separate facilities require two sets of solicitor work, two sets of searches, and two completions. Bridge to let uses the same legal framework for both phases, saving you a significant amount in legal costs, typically £1,500 to £2,500.

Guaranteed exit. With a standalone bridging loan, there is always a risk that your buy to let remortgage application is declined, leaving you without an exit strategy. With bridge to let, the exit is pre approved. As long as the property meets the agreed condition at the end of the bridge term, the BTL mortgage is confirmed.

No gap between facilities. With separate arrangements, there can be a gap between the bridging loan expiring and the buy to let mortgage completing. If the remortgage takes longer than expected, you may face extension fees or penalty interest on the bridge. Bridge to let eliminates this gap because the transition is managed internally by the same lender.

Consistency of assessment. The same lender assesses both phases, so there is no risk of differing interpretations of the property’s value, condition, or your financial position. This reduces the chance of surprises at the exit stage.

Current Rates

Bridge to let mortgages have two rate structures, one for each phase.

Bridging phase. Monthly interest rates currently start from around 0.55% to 0.85% per month, depending on LTV, property type, and borrower profile. These rates are broadly in line with standard bridging loan rates. Arrangement fees of 1% to 2% of the loan amount are typical.

Buy to let phase. Once the loan converts to the BTL mortgage, rates are comparable to standard buy to let products. Current entry rates start from around 4.29% to 5.5% per annum, with product fees of 1% to 2%. Two year and five year fixed rate options are available depending on the lender.

Because both phases are with the same lender, the total cost is often lower than arranging two separate facilities, particularly when you factor in the saving on duplicate legal fees and the elimination of gap risk.

Property Condition Requirements

Bridge to let is designed for properties that are not currently mortgageable but will be after refurbishment. The bridging phase accepts properties in a range of conditions, including uninhabitable properties, properties without a functioning kitchen or bathroom, properties needing structural work, and properties requiring a change of use.

The key requirement is that the property must be brought up to a standard that meets the lender’s buy to let criteria by the end of the bridging term. This typically means the property must be wind and watertight, have a functioning kitchen and bathroom, have adequate heating and hot water, meet current EPC requirements, and comply with all relevant safety regulations including gas, electrical, and fire safety.

The lender will assess the planned refurbishment at the application stage and set conditions for the BTL conversion. A re inspection at the end of the bridge term confirms the property meets these standards.

Refurbishment Scope

Bridge to let accommodates a range of refurbishment works, from light cosmetic upgrades to more substantial renovation. Typical projects include the following:

• Full redecoration, new flooring, and modernisation of kitchens and bathrooms
• Rewiring, replumbing, and new central heating installation
• Damp treatment and roof repairs
• Window and door replacement
• Minor structural work such as removing non load bearing walls
• Conversion of houses into HMOs where permitted

For projects involving major structural changes, full development finance or heavy refurbishment finance may be more appropriate. Bridge to let works best for properties that need moderate work to bring them up to lettable standard, rather than ground up development or large scale structural alteration.

Who Bridge to Let Suits

Bridge to let is particularly well suited to the following types of borrower and situation.

Auction buyers. If you are buying at auction, you typically have 28 days to complete. A bridge to let product gives you the speed to meet that deadline, with the confidence that your long term finance is already arranged.

Buy, refurbish, refinance investors. If your strategy is to buy below market value, refurbish, and then hold as a rental, bridge to let is built for exactly this approach. The pre approved BTL mortgage means you can plan your refinance from the outset.

Investors buying unmortgageable properties. Properties that do not meet standard mortgage criteria due to their condition can only be purchased with cash or bridging finance. Bridge to let provides the purchase funding and a clear path to long term finance once the property is improved.

Portfolio landlords. Landlords expanding their portfolio often use bridge to let to move quickly on opportunities without needing to arrange two separate facilities each time.

First time investors. Bridge to let is accessible to first time landlords as well as experienced investors. Most lenders do not require previous property investment experience, though criteria may vary.

Lender Criteria

Lender requirements for bridge to let mortgages include the following common criteria.

LTV. Maximum LTV on the bridging phase is typically 75%, based on the purchase price or current market value. The buy to let phase may allow up to 75% to 80% LTV based on the post works value, depending on the lender.

Minimum loan. Most lenders set a minimum of £40,000 to £50,000.

Rental coverage. The property must generate sufficient rental income to meet the lender’s stress test for the BTL phase, typically 125% to 145% of the mortgage payment at the lender’s stressed rate.

Borrower type. Individuals and limited companies are both accepted. Limited company structures are increasingly common among buy to let investors for tax efficiency.

Property types. Standard residential, HMOs, and multi unit freehold blocks are accepted by most bridge to let lenders. Some will also consider flats above commercial premises and ex local authority properties.

Term. The bridging phase is usually 6 to 18 months. The buy to let phase follows standard mortgage terms, typically 25 to 30 years.

Speak to a Mortgage Adviser

If you have questions or want to discuss your options, book a free discovery call below.

Book a Free Discovery Call

---

Your home may be repossessed if you don’t keep up repayments on your mortgage.

Knox Mortgages is a trading style of Fort Advice Bureau which is regulated and authorised by the FCA to conduct Mortgage and Protection business, FRN: 972730