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How Much Does a Short Lease Reduce Property Value?

Below about 80 years, values and mortgageability fall.

How Much Does a Short Lease Reduce Property Value? Residential Property Services in London

Updated October 2026 · Fraser Bond

Leasehold · Lease length

Short leases and value

80 yearsthreshold
Marriagevalue
Mortgagelimits
Extend90 years
In short: Lease length strongly affects a flat's value. Once a lease drops below about 80 years, extending becomes more expensive because "marriage value" is added to the premium, and many lenders won't lend on leases below 70–80 years, which narrows the buyer pool to cash buyers. Qualifying leaseholders can extend by 90 years at a peppercorn ground rent under statute. The Leasehold and Freehold Reform Act 2024 will reform premiums, including removing marriage value, as its provisions come into force; check the current position before extending.

Frequently asked questions

What lease length is too short?

Below about 80 years starts to bite.

Can I extend my lease?

Usually. The 2024 Act removed the old two-year ownership requirement from January 2025.

Selling a leasehold flat?

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