Extension Builder in Finchley
6 vetted extension builders covering Finchley. Post your job free and compare responses directly - no obligation.
Building and renovation work in Finchley
Finchley, part of the London Borough of Barnet, is known for traditional Victorian and Edwardian homes around Finchley Church End, interwar suburban housing, and the entirely residential Finchley Garden Village. Its proximity to Avenue House and its grounds and good transport links via Finchley Central station, and the Northern line continue to make it a popular place for homeowners to invest in renovation and extension projects rather than move - keeping steady demand for reliable, quality extension building work in the area.
With the Finchley Garden Village and Finchley Church End conservation areas covering parts of Finchley, planning and conservation requirements are a real factor in extension building work here - work that would be straightforward elsewhere can need extra care, matching materials, or formal planning consent locally. Homeowners in Finchley increasingly look for tradespeople who understand that local context, rather than a generic, one-size-fits-all quote.
Composites Builds Landscapes Ltd
Builder, Extension Builder
★ 0.0 (0 reviews)
Uc Builders Limited
Builder, Extension Builder
★ 0.0 (0 reviews)
Mas Property And Investment Ltd
Builder, Extension Builder
★ 0.0 (0 reviews)
J.p. Kennedy Construction Company Limited
Builder, Extension Builder
★ 0.0 (0 reviews)
St. John Construction Limited
Builder, Extension Builder
★ 0.0 (0 reviews)
Cornerstone Homes Limited
Builder, Extension Builder
★ 0.0 (0 reviews)
What to expect from a extension builder in Finchley
Extensions typically need either planning permission or a Lawful Development Certificate confirming permitted development rights, plus building control approval throughout.
As with any trade, it's worth asking to see proof of insurance and relevant qualifications before work starts, checking recent examples of similar jobs, and getting the scope of work agreed in writing - see our guide on questions to ask before hiring below.
Typical project costs in Finchley
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Loft Conversion Cost in Finchley: 2026 Price Guide
Typical loft conversion prices in Finchley, from a simple rooflight loft to a full dormer.
Bathroom Renovation Cost in Finchley: 2026 Price Guide
What a full bathroom refit typically costs in Finchley, and where the money actually goes.
House Extension Cost in Finchley: 2026 Price Guide
Single and double-storey extension costs in Finchley, and the local factors that move the price.
House Rewiring Cost in Finchley: 2026 Price Guide
What a full or partial rewire costs in Finchley's older housing stock.
New Driveway Cost in Finchley: 2026 Price Guide
Driveway costs and permission rules for Finchley, where front gardens are often small and on-street parking is limited.
Planning Permission in Finchley: A Homeowner's Guide
What you can build under permitted development in Finchley, and when conservation area rules apply.
How to Choose a Builder in Finchley
A practical checklist for picking a trustworthy builder if you live in Finchley.
Garden Design & Landscaping Cost in Finchley
What garden landscaping typically costs for the smaller plots common in Finchley.
Renovating a Period Property in Finchley: What to Know
What makes renovating an older Finchley property different, from foundations to conservation area rules.
Hiring safely in Finchley
A few things worth checking before you agree to any quote:
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