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London Construction
London Construction is an established and experienced local extension builder in South Kensington. Please contact us for a free, no obligation quot...
1st & 2nd Fix Vasconstruct
Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
QA's Pointing and Brick Repair
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in South Kensington. QA's Pointing and Brick Repair is a friendly and reliable company based i...
Red Box Maintenance Ltd
Red Box are a Fulham-based building and decorating business who work in West and Southwest London, and who specialise in fine interior renovations,...
M & A UK Ltd
Relax... you have found a reliable extension builder in South Kensington. M & A UK Ltd is a friendly and reliable company based in South Kensington...
AJ Wells
Need to find an Extension Builder near you for all your extension buildering work?
AJ Wells provides a local, trusted extension buildering ...
Newpark Construction
Newpark Construction are here to help customers who need an Extension Builder in South Kensington. We offer a competitive rate to complete all your...
D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in South Kensington. No oblig...
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in South Kensington and the surrounding area. Contact us to tod...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in South Kensington. We offer a competitive rate to complete all your ...
Flat roof extension cost in South Kensington
A flat roof extension ranges from the cheapest of £21,976 (A to Z Builders Ltd based in SW1P) to the dearest of £23,840 (1st & 2nd Fix Vasconstruct based in W12), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in South Kensington by posting a job with HaMuch. We'll send it to extension builders in South Kensington.
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Estimates for common extension builder jobs in South Kensington;
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 - £17,938
Two storey extension - £88,656
Build a timber frame extension - £26,438
Build a swimming pool - £81,438
Single storey extension - £63,752
Side return extension - £46,423
Install an RSJ - £2,638
Outbuilding - £10,438
Build a Mansard loft conversion - £52,438
Loft conversion - £37,853
Build a kitchen extension - £42,438
Hip to gable loft conversion - £42,438
Granny annexe - £87,438
Garden office - £10,438
Convert a Garage - £16,438
Garage - £18,938
Build a flat roof extension - £22,438
Build a dormer loft conversion - £42,438
Concrete foundations - £6,688
Convert a bungalow loft - £29,438
Convert a basement - £42,423