From £44,380
Greater London, N10
Relax... you have found a reliable extension builder in N10. PLAN C - Design. Build. Create is a friendly and reliable company based in N10 who co...
From £45,010
We are builders with a difference.We are proud to be a family business. Brothers Pierre and Christian Carboni established PLAN C in 2011, having pr...
From £44,920
Muswell Hill, N10
N10 Building Contractors Ltd are here to help customers who need an Extension Builder in N10. We offer a competitive rate to complete all your exte...
From £41,770
Need an Extension Builder in N10? Ally Electrical Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs ...
From £44,830
Greater London, N10
Property maintenance service, hold a pool of tradesmen ready to work.
From £45,640
Relax... you have found a reliable extension builder in N10. CM Build is a friendly and reliable company based in N10 who consider no job as too bi...
From £41,770
Greater London, N10
Whether it's garden design, a garden studio or home renovations - we can do it. What you show me, what you imagine, we can build. Contact us now fo...
From £44,560
Galaia Limited are here to help customers who need an Extension Builder in N10. We offer a competitive rate to complete all your extension builderi...
From £42,400
London, N10
Trusted and professional extension builder in N10. Experienced in all extension buildering work and keeping within budget and on quote. Arundell As...
From £43,660
SJ Expert Building Services are here to help customers who need an Extension Builder in N10. We offer a competitive rate to complete all your exten...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in N10.
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 - £17,713

Two storey extension - £88,319

Build a timber frame extension - £26,213

Build a swimming pool - £81,213

Single storey extension - £59,256

Side return extension - £43,894

Install an RSJ - £2,413

Outbuilding - £10,213

Build a Mansard loft conversion - £52,213

Loft conversion - £35,745

Build a kitchen extension - £42,213

Hip to gable loft conversion - £42,213

Granny annexe - £87,213

Garden office - £10,213

Convert a Garage - £16,213

Garage - £18,713

Build a flat roof extension - £22,213

Build a dormer loft conversion - £42,213

Concrete foundations - £6,463

Convert a bungalow loft - £29,213

Convert a basement - £39,894