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LALI BUILDERS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ferdas Design & Build Ltd
At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...
The Diamond Property Service Ltd
Tomasz Pedowicz
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
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 W5. No obligation free quote...
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in W5. Please contact us for a free, no obligation quote an...
Vision Refurbishments Ltd.
Mick Shehabi
Vision Refurbishments Ltd. brings over 10 years of experience in building and construction, including interior and exterior renovations, painting, ...
R Burton & Sons Builders
R Burton & Sons Builders are here to help customers who need an Extension Builder in W5. We offer a competitive rate to complete all your extension...
Polish Builders Union Ltd
Need an Extension Builder in W5? 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 W5. We come highly recommended and provide competitive quotes for your work....
Cheapest builders to convert your basement in W5
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 W5 by posting a job with HaMuch and we will send it to extension builders in W5.
"Basement conversion" - WEST EALING, job posted 05/03/25
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Estimates for common extension builder jobs in W5;
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 - £17,720
Two storey extension - £88,330
Build a timber frame extension - £26,220
Build a swimming pool - £81,220
Single storey extension - £59,400
Side return extension - £43,975
Install an RSJ - £2,420
Outbuilding - £10,220
Build a Mansard loft conversion - £52,220
Loft conversion - £35,813
Build a kitchen extension - £42,220
Hip to gable loft conversion - £42,220
Granny annexe - £87,220
Garden office - £10,220
Convert a Garage - £16,220
Garage - £18,720
Build a flat roof extension - £22,220
Build a dormer loft conversion - £42,220
Concrete foundations - £6,470
Convert a bungalow loft - £29,220
Convert a basement - £39,975