From £88,732
London Bridge, N2
in the city decorators & design is a trusted extension builder serving customers in N2 and the surrounding area. Contact us to today to get a compe...
From £88,348
Experienced extension builder ready to quote for your work. Aqua Tierra Sol is the best extension builder in N2. No obligation free quotes and many...
From £88,528
London, N2
Builders R US are passionate about doing a great job delivered on time and on budget. Our experienced team are friendly, reliable, and trustworthy ...
From £88,528
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,036
Need an Extension Builder in N2? Ally Electrical Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs f...
From £88,120
Trusted and professional extension builder in N2. Experienced in all extension buildering work and keeping within budget and on quote. Arundell Ass...
From £88,288
SJ Expert Building Services are here to help customers who need an Extension Builder in N2. We offer a competitive rate to complete all your extens...
From £87,988
Trusted and professional extension builder in N2. Experienced in all extension buildering work and keeping within budget and on quote. HAADAM Ltd. ...
From £88,384
Relax... you have found a reliable extension builder in N2. PLAN C - Design. Build. Create is a friendly and reliable company based in N2 who cons...

Costs range from £87,988 (HAADAM Ltd. based in N10) to £88,732 (In the city decorators & design based in N2), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,726

Two storey extension - £88,340

Build a timber frame extension - £26,226

Build a swimming pool - £81,226

Single storey extension - £59,528

Side return extension - £44,047

Install an RSJ - £2,426

Outbuilding - £10,226

Build a Mansard loft conversion - £52,226

Loft conversion - £35,873

Build a kitchen extension - £42,226

Hip to gable loft conversion - £42,226

Granny annexe - £87,226

Garden office - £10,226

Convert a Garage - £16,226

Garage - £18,726

Build a flat roof extension - £22,226

Build a dormer loft conversion - £42,226

Concrete foundations - £6,476

Convert a bungalow loft - £29,226

Convert a basement - £40,047