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MJ Builders (London) Ltd
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in W7. We offer a competitive rate to complete all your extension...
Elite Construction London Ltd
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 ...
DIAL 1ST CONSTRUCTION LTD
Experienced extension builder ready to quote for your work. DIAL 1ST CONSTRUCTION LTD is the best extension builder in W7. No obligation free quote...
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in W7. Please contact us for a free, no obligation quote an...
S.K Singh
Need an Extension Builder in W7? S.K Singh has been helping local clients (10 mile radius) with their extension buildering jobs for many years. Get...
Polish Builders Union Ltd
Need an Extension Builder in W7? Polish Builders Union Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for ...
Kacmar Building Service
Trusted and professional extension builder in W7. Experienced in all extension buildering work and keeping within budget and on quote. Kacmar Build...
RAF Construction Solutions
RAF Construction Solutions is an established and experienced local extension builder in W7. Please contact us for a free, no obligation quote and c...
Decorators, Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Tom Corrigan Building & Decorating
Tom Corrigan Building & Decorating are here to help customers who need an Extension Builder in W7. We offer a competitive rate to complete all your...
RSJ cost in W7
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in W7 it ranges from £2,096 (RAF Construction Solutions based in TW8) to £2,544 (Kacmar Building Service based in TW8).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in W7 by posting a job with HaMuch and we will send it to extension builders in W7.
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Estimates for common extension builder jobs in W7;
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 - £17,632
Two storey extension - £88,198
Build a timber frame extension - £26,132
Build a swimming pool - £81,132
Single storey extension - £57,640
Side return extension - £42,985
Install an RSJ - £2,332
Outbuilding - £10,132
Build a Mansard loft conversion - £52,132
Loft conversion - £34,988
Build a kitchen extension - £42,132
Hip to gable loft conversion - £42,132
Granny annexe - £87,132
Garden office - £10,132
Convert a Garage - £16,132
Garage - £18,632
Build a flat roof extension - £22,132
Build a dormer loft conversion - £42,132
Concrete foundations - £6,382
Convert a bungalow loft - £29,132
Convert a basement - £38,985