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Select your affordable W13 extension builder
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in W13. We offer a competitive rate to complete all your extensio...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Elite Construction London Ltd
Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...
Experienced extension builder ready to quote for your work. DIAL 1ST CONSTRUCTION LTD is the best extension builder in W13. No obligation free quot...
Global Building & Designs Ltd is an established and experienced local extension builder in W13. Please contact us for a free, no obligation quote a...
Need an Extension Builder in W13? Polish Builders Union Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for...
BUILDING ANGELS LTD is an established extension buildering business in W13. We come highly recommended and provide competitive quotes for your work...
PJS Building & Maintenance Ltd is a trusted extension builder serving customers in W13 and the surrounding area. Contact us to today to get a compe...
Trusted and professional extension builder in W13. Experienced in all extension buildering work and keeping within budget and on quote. Kacmar Buil...
RAF Construction Solutions is an established and experienced local extension builder in W13. Please contact us for a free, no obligation quote and ...

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 W13.
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 - £17,661

Two storey extension - £88,241

Build a timber frame extension - £26,161

Build a swimming pool - £81,161

Single storey extension - £58,216

Side return extension - £43,309

Install an RSJ - £2,361

Outbuilding - £10,161

Build a Mansard loft conversion - £52,161

Loft conversion - £35,258

Build a kitchen extension - £42,161

Hip to gable loft conversion - £42,161

Granny annexe - £87,161

Garden office - £10,161

Convert a Garage - £16,161

Garage - £18,661

Build a flat roof extension - £22,161

Build a dormer loft conversion - £42,161

Concrete foundations - £6,411

Convert a bungalow loft - £29,161

Convert a basement - £39,309