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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 W13. We offer a competitive rate to complete all your extensio...
LALI BUILDERS
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
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 W13. No obligation free quot...
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in W13. Please contact us for a free, no obligation quote a...
Polish Builders Union Ltd
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
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
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...
Kacmar Building Service
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
RAF Construction Solutions is an established and experienced local extension builder in W13. Please contact us for a free, no obligation quote and ...
Cheapest builders to convert your basement in W13
Comparing extension builders estimates for a Convert a basement 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 the cost to convert a basement in W13 by posting a job with HaMuch and we will send it to extension builders in W13.
"Basement conversion" - WEST EALING, job posted 05/03/25
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Estimates for common extension builder jobs 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