Self Build Mortgage Rates (UK)
Current market ranges, deposit expectations, and common fee patterns for self build mortgages in one place.
Indicative figures only - lender pricing changes frequently and depends on case complexity.

Rate Overview
Typical market range for self build mortgage pricing.
Typical rate range
4.5% - 6.5%
4.0% - 7.5%
Typical deposit
30% - 35%
Min 25%
Typical timeline
4-8 weeks
Application to completion
Rates are indicative, not a quote. Final pricing depends on lender criteria, LTV, rental profile, and borrower background.
What Moves Your Rate Up or Down
These are the strongest factors lenders weigh when setting pricing.
- Staged funding releases as build progresses
- Specialist lenders with self-build expertise
- Flexible terms for various build methods
- Professional project monitoring and support
- Exit strategy flexibility
Fee Breakdown
Common charges to plan for alongside the headline rate.
Arrangement Fee
Facility setup fee
1.5% - 2.5%
of total facility
Valuation Fee
Site and development appraisal
£1,000 - £3,000
specialist surveyor
Legal Fees
Facility agreement and monitoring
£1,500 - £3,500
plus disbursements
Monitoring Fee
Build progress inspections
£300 - £800
per drawdown
Broker Fee
Development finance arrangement
0.75% - 1.5%
on completion
Rate FAQs
Quick answers to common pricing questions.
What deposit do I need for self-build finance?+
Self-build finance typically requires deposits of 30-35% of the total project cost, including land purchase and construction costs. The exact amount depends on the project type, your experience, and the lender's criteria.
Can I get self-build finance for a property I plan to live in?+
Yes, self-build finance is available for properties you plan to live in, though you'll need to demonstrate your intention to reside in the property and may need to provide evidence of your plans.
Can I get self-build finance with adverse credit?+
Some specialist lenders may consider self-build finance for borrowers with minor credit issues, though the criteria may be stricter. You'll typically need a larger deposit and may face higher rates.
What documents do I need for self-build finance?+
You'll need planning permission, building regulations approval, detailed costings, professional team details, and evidence of your deposit. The exact requirements vary by lender and project complexity.
Can I get self-build finance for a property that needs renovation?+
Yes, self-build finance is available for renovation projects, though the criteria may be different from new builds. You'll need to demonstrate that the renovation meets all requirements and has appropriate facilities.
Can I get self-build finance for a property in a different location?+
Yes, though lenders may have preferences for certain locations or property types. You'll need to demonstrate that the property is suitable for self-build and that you can manage the project effectively.