Lease extension research
Extending a flat lease — when, how and roughly what to check.
In plain English
If a flat's lease is getting short (especially under about 80 years), it can lose value and be hard to mortgage. Qualifying leaseholders have a legal right to extend. The rules are being reformed, so get specialist advice.
Switch to professional for underwriting detail.
Capital requirements
Premium plus both sides' reasonable costs (under current rules).
Cost assumptions to budget for
- Premium
- Valuer and solicitor fees
- Freeholder's costs where payable
Potential returns
Restored value and mortgageability.
Main risks
- Rules changing during the process
- Disputes going to tribunal
Legal checks
- Statutory notice procedure and deadlines
Regulatory checks
- LFRA 2024 commencement status
Is it suitable?
Often suits
- Flat owners with leases approaching 80 years
A general guide, not a personal recommendation. Suitability depends on your finances, experience and attitude to risk.
Step-by-step
- Confirm unexpired term.
- Read LEASE guidance.
- Get a specialist valuation.
- Serve notice via a solicitor.
Official sources
- The Leasehold Advisory Service (LEASE)
- Leasehold and Freehold Reform Act 2024 — commencement (GOV.UK search)
- Leasehold property (GOV.UK)
Last reviewed 31 Oct 2026. Rules change — check the source before relying on this guide.
Not advice
This guide is general research. It is not legal, tax, financial, planning or investment advice. Speak to a qualified, regulated professional before acting.