Buying a Leasehold Flat in Hounslow: What Your Survey Should Cover

Leasehold flats account for a significant proportion of the property market in Hounslow — particularly in Brentford, Chiswick and the areas around Hounslow town centre. Surveying a leasehold flat requires a different approach to a freehold house. Here's what your survey should cover — and what your solicitor should be checking at the same time.

Leasehold vs Freehold: What's the Difference for Buyers?

When you buy a leasehold flat, you don't own the building — you own a long-term interest in it (the lease). The building is owned by the freeholder. You pay service charges to maintain the communal areas and the building's structure, and ground rent to the freeholder. Understanding what these obligations are before you buy is critical.

What Should a Survey Cover on a Leasehold Flat?

Your RICS survey will inspect the flat itself — the internal fabric, windows, doors, structure and services. But for a leasehold purchase, the surveyor should also consider:

• The condition of communal areas: Are the hallways, stairways and shared spaces in good order? Poor condition can indicate an inadequately managed building and future service charge bills.
• The condition of the roof: The freeholder is usually responsible for the roof, but you pay for it through service charges. A failing roof on a block can mean a large, unexpected service charge demand.
• External wall condition: Post-Grenfell, the condition and composition of external wall systems is a major concern for flat buyers. Our surveyors note any non-standard cladding systems and flag the need for an EWS1 certificate if appropriate.
• Communal services: Lifts, communal heating systems and entry systems can all carry significant maintenance costs if they need replacement.

Lease Length: A Critical Factor

The remaining length of the lease is one of the most important factors in any leasehold purchase — and it's something your solicitor checks, not your surveyor. However, as your surveyor, we will flag any obvious concerns about the property's leaseholder status in our report.

As a general rule: a lease of 85 years or more is generally acceptable to most lenders. A lease of under 80 years means you cannot extend without paying the "marriage value" premium — significantly increasing the cost of extension. A lease of under 70 years may make the property difficult to mortgage and expensive to extend.

Service Charges and Major Works

One of the most common unpleasant surprises for leasehold flat buyers is an unexpected major works bill — a large service charge demand for work on the building's fabric (new roof, lift replacement, external redecoration) that arrives shortly after completion. Your solicitor should review the last 3 years' service charge accounts and ask the freeholder about any planned major works. Your survey report will flag any visible issues with the building's fabric that might trigger future costs.

Leasehold FAQ