The short answer
Can you use secured borrowing for home improvements?
Home improvements can be funded from savings or borrowing, including a further advance, remortgage or second charge mortgage. A second charge is separate borrowing secured behind the existing first mortgage, so both payments remain due.12
Secured borrowing may spread a substantial project cost over a longer term, but it puts the home at risk and can increase the total amount repaid. Compare the complete project budget, term, fees, APRC, total amount payable and credible alternatives.13
The amount a lender may offer does not prove the project needs that amount or that borrowing it is suitable. The FCA has warned against advice that adds debt consolidation to an improvement request merely to pass affordability.3
Step 1 · Define the work
Turn the idea into a costed project
Separate essential work from optional upgrades, obtain comparable quotations and identify the professional or permission costs that sit outside the main build. Only then can you see the amount and timing of the funding actually required.
Essential work, optional work, specification and timescale.
Comparable written quotations and staged payments.
Design, permissions, surveys and building control.
Capacity for evidenced changes without exhausting reserves.
Before choosing finance
Make the project ready to compare
A written brief helps keep the scope, payments and borrowing aligned.- Confirm permissions and professional requirements.
- Map deposits and staged contractor payments.
- Retain an emergency reserve outside the works budget.
Step 2 · Compare the funding gap
The route should fit the amount, term and current mortgage
The same project can look very different depending on how it is funded. Compare credible routes on a consistent term and include fees and the cost of changing any existing mortgage balance.
Savings or phased work
Can reduce borrowing, provided a sensible household reserve remains available.
Personal loan
May suit a smaller defined need and does not secure the new debt on the home.
Further advance
Additional borrowing from the current mortgage lender, subject to its terms and assessment.
Remortgage
Can raise funds but changes the mortgage on the whole balance, so the complete cost matters.
Second charge
A separate secured loan behind the first mortgage, leaving two secured payments to maintain.
Compare the term, fees, monthly commitment, total payable and security, not only the amount available.
Step 3 · Test the household plan
When borrowing for the work may be worth exploring
Match the finance to a documented project, payment schedule and resilient household budget rather than borrowing simply because equity is available.
- The scope, written quotations, payment stages and funding gap are clear.
- The household can afford the existing mortgage and proposed borrowing.
- The term and total cost are proportionate to the work and future plans.
- Savings, unsecured borrowing, further advance, remortgage and second charge have been compared.
Step 4 · Prepare the evidence
Information that helps define the case
Written costs and current financial information make it easier to test the right amount and route. You can still get in touch if the project is at an earlier stage. We will explain what is useful next.
- Written project scope and comparable contractor quotations
- Professional-fee, permission and staged-payment details
- Current first-mortgage statement and product terms
- Income, expenditure and credit-commitment evidence
- Property details and any planning, building-control or freeholder documents
Step 5 · Align finance and works
From a costed brief to releasing the funds
- 01
Define the work
Separate essential and optional items, obtain written quotations and identify permissions and professional costs.
- 02
Calculate the funding gap
Map invoice stages and a reasoned contingency, then decide what savings can be used without exhausting reserves.
- 03
Compare every credible route
Put a further advance, remortgage, second charge and relevant unsecured option side by side on term and total cost.
- 04
Coordinate funds and works
Confirm lender, legal and property requirements before committing to contractor payment dates or starting work.
Step 6 · Pressure-test the complete commitment
The details that can change the right route
Project evidence, existing equity, the borrowing term and future plans all interact. Revisit the comparison if the scope, quotation or intended timescale changes.
Project evidence
A clear specification, quotations and payment schedule help establish the amount and timing actually required.
Available equity
Property value less existing secured balances affects availability, but suitability and affordability still come first.
Borrowing term
A longer term may reduce the payment while increasing total interest and extending the commitment beyond the work's benefit.
Future flexibility
Consider fees, ERCs and what happens if you move, remortgage or repay the loan earlier than planned.
Illustrative project plan
Borrow for the evidenced gap, not the maximum available
A homeowner has written quotations totalling £48,000 for an extension and professional work. They choose to contribute £8,000 from savings while retaining a separate emergency reserve, leaving a £40,000 funding gap.
- 1Compare a further advance, remortgage and second charge on term, fees and total payable.
- 2Include the remortgage cost on the whole balance and both payments under a second charge.
- 3Confirm permissions and contractor payment stages before drawing funds.
Alternatives
Other routes to compare
Savings or phased work
Use savings while retaining a reserve, or safely divide optional work into stages to reduce the immediate funding need.
Unsecured borrowing
For a smaller defined amount, compare an affordable personal loan whose new debt is not secured on the home.
Further advance or remortgage
Ask the current lender about additional borrowing and compare remortgaging only after including the impact on the whole first-mortgage balance.
FAQs
Home improvements questions
Potentially. Routes can include a further advance, remortgage or second charge, subject to equity, affordability, credit, property, purpose and lender criteria.
Sources
Sources used for this guide
- 1Second charge or second mortgages
MoneyHelper · Second-charge mechanics, home-improvement use, risks, cost comparison and alternatives.
- 2Increasing your mortgage: getting a further advance
MoneyHelper · Further advances for improvements, affordability, term and alternative routes.
- 3Second charge mortgages: improving outcomes for consumers
Financial Conduct Authority · Current FCA findings on suitability, alternatives, fees, affordability and mixed improvement/consolidation cases.
- 4MCOB 11.6: Responsible lending and financing
Financial Conduct Authority · Affordability requirements for regulated mortgage borrowing.
Reviewed by Charles Frank Finance Limited on 31 July 2026. Lender criteria can change independently of this guide.