Leasehold Costs Explained: Ground Rent, Service Charges and Lease Extension

Quick answer

Leasehold means you own the home for the length of the lease, not the land it stands on. Alongside your mortgage, expect annual charges (ground rent and service charges), a possible contribution to a reserve fund, and — one day — the cost of extending the lease or buying the freehold. The shorter the lease, the bigger that future bill.

The recurring costs

• Ground rent. A payment to the freeholder. Modern leases often set a nominal peppercorn, but some older or developer leases escalate over time — doubling ground rent clauses have caused well-documented problems. Read the schedule, not the marketing.
• Service charges. Your share of maintaining the building and communal areas: cleaning, lifts, gardening, insurance and repairs. Ask for the last two or three years' accounts and check for large one-off items.
• Reserve or sinking fund. A pot built up for major works like a new roof. A healthy fund is good news; an empty one means a special levy may land on the current owners — potentially you, soon after purchase.
• Permission fees. Charges for consent to alter, sublet or keep pets, as set out in the lease.

The lease length question

A lease is a wasting asset. As the remaining term falls, the home's value falls and extension costs rise. Around the 80-year mark extension pricing changes materially (the "marriage value" rules), and below roughly 70–80 years many lenders hesitate. When you view a leasehold property:

1. Ask how many years remain.
2. Ask the annual ground rent and service charge, and whether they can rise.
3. Ask who manages the building and see the accounts.
4. Have a solicitor review the lease before you commit — the lease terms, not the listing, define your rights.

Lease extension in outline

For qualifying flats, the law gives a route to a 990-year extension at a rent effectively reduced to nothing, after two years of ownership — though many freeholders agree to start sooner by negotiation. The premium depends on the remaining term, the ground rent and the property's value, and it must be calculated case by case by a surveyor.

Beware any calculator or article that quotes you a figure from the lease length alone — a genuine estimate needs the property's value, the ground rent schedule and the unexpired term, and the final number is often negotiated. Budget for surveyor and legal fees on top of the premium. Our own guidance stops at the inputs for exactly this reason.

How leasehold affects your offer

A short lease, high service charges or onerous ground rent are deductions from value — evidence for a lower offer, or reasons to walk away. See our guide to how much below asking price to offer.

Check the lease facts before you offer

An Offer Smart buyer report flags tenure alongside valuation, sold-price evidence and running costs, so leasehold questions are on the table before you make an offer.