Landlord & investor
Acquire, improve and refinance onto a long-term buy-to-let mortgage
Bridge-to-let combines short-term property finance with a planned exit onto a buy-to-let mortgage after refurbishment. It is useful where the property is not yet suitable for a standard mortgage, needs work before it can achieve the required rent, or must be purchased quickly. Some lenders assess and offer both stages together; other transactions use separate bridging and buy-to-let lenders.
We will assess your complete circumstances, explain the available routes and recommend a mortgage that supports your wider plans. Your initial conversation is without obligation.

The bridge-to-let journey
A property is purchased using short-term finance. The agreed works are completed within the bridge term, the property is re-inspected and the finished value and rent are confirmed. The long-term buy-to-let mortgage then repays the bridge. The exit loan must be realistic from the outset: a higher completed value does not help if the rent, ownership period or lender criteria cannot support the refinance.
Who this may help
We help landlords buying tired, uninhabitable or auction property; investors undertaking light or heavy refurbishment; clients converting layouts or improving energy performance; and SPVs following a buy-refurbish-refinance strategy. Structural works, planning changes and conversions require a different assessment from cosmetic updating.
What needs to be considered
- Purchase price, current value and completed value
- Whether the works are standard, light, heavy or structural
- Planning permission, building regulations and listed-building consent
- Detailed schedule of works, contractor quotes and contingency
- Evidence of funds for deposit, works, interest and overruns
- Bridge interest retained, rolled up or serviced monthly
- Term, exit fees, legal costs and valuation/reinspection fees
- Completed market rent and buy-to-let ICR
- Six-month ownership policies and title-registration timing
- Exit lender, loan-to-value and what happens if value or rent is lower than expected
How ERG Finance approaches it
We underwrite the exit before arranging the bridge. This means checking the completed value, expected rent, ICR, ownership structure and long-term lender criteria alongside the works and short-term costs. Where a single-lender refurb-to-let product provides a committed or assessed exit, we compare it with the flexibility and cost of separate facilities.
When a standard buy-to-let mortgage may still work
If the property is already habitable and lettable, and the works are modest, a standard buy-to-let mortgage with retained funds may be cheaper than bridging. Where essential facilities are missing, structural work is planned or the valuation is materially dependent on refurbishment, short-term finance is more likely to be appropriate.
Our role
- understand the purpose of the mortgage and the outcome you need
- check affordability, lender criteria and property requirements before recommending a route
- compare the rate, fees, flexibility, early repayment charges and overall cost
- prepare the application and evidence so the lender sees a complete and accurate case
- manage the mortgage process through valuation, offer and completion
Frequently Asked Questions
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The terms overlap. Bridge-to-let usually describes short-term acquisition or refurbishment finance with a planned buy-to-let exit. Some lenders call an integrated version refurb-to-let.
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Some lenders assess both applications concurrently, while others require separate facilities. Any long-term offer remains subject to its conditions, reinspection and the completed property.
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The bridge may consider current and projected value, but initial leverage and drawdowns depend on lender policy. The exit mortgage is based on the completed valuation and rent accepted at that time.
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Some facilities fund only the purchase, while others contribute to works in arrears or staged drawdowns. You usually need evidence of sufficient cash and contingency.
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Within the short-term facility and any product-specific refurbishment window. A realistic programme should allow for contractors, permissions, materials and reinspection.
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The bridge still has to be repaid. Alternatives may include another refinance, sale or additional capital, but none is guaranteed. Exit risk must be assessed before completion.
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A 30-minute telephone call with one of our advisers. Tell us a little about your situation and we’ll match you with the right person.
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YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON YOUR MORTGAGE. Buy-to-let mortgages and commercial lending are not usually regulated by the Financial Conduct Authority. Tax treatment depends on individual circumstances and may change. ERG Finance does not provide tax or legal advice. Obtain advice from a suitably qualified accountant, tax adviser and solicitor before choosing an ownership structure.