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V.S.P is a trusted extension builder serving customers in Acton and the surrounding area. Contact us to today to get a competitive quote for extens...
Jonathan Rimmer
Experienced extension builder ready to quote for your work. Mr is the best extension builder in Acton. No obligation free quotes and many happy cus...
Andy Harris
Andy Harris Construction is an established and experienced local extension builder in Acton. Please contact us for a free, no obligation quote and ...
Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Acton. No obligation free qu...
Patrick Kelly
Over 20 years experience
Client focussed and driven
Personal planning and completion of work
Warranty ...
Relax... you have found a reliable extension builder in Acton. M & A UK Ltd is a friendly and reliable company based in Acton who consider no job a...
AG-Renovation Ltd is a trusted extension builder serving customers in Acton and the surrounding area. Contact us to today to get a competitive quot...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Newpark Construction are here to help customers who need an Extension Builder in Acton. We offer a competitive rate to complete all your extension ...

Mansard loft conversions range from the cheapest installation of £51,904 (V.S.P based in NW10) to the dearest of around £53,840 (1st & 2nd Fix Vasconstruct based in W12).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in Acton by posting a job with HaMuch and we'll send it to extension builders in Acton.
"Mansard loft conversion" - SHEPHERD'S BUSH, job posted 01/01/70
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 - £18,016

Two storey extension - £88,774

Build a timber frame extension - £26,516

Build a swimming pool - £81,516

Single storey extension - £65,320

Side return extension - £47,305

Install an RSJ - £2,716

Outbuilding - £10,516

Build a Mansard loft conversion - £52,516

Loft conversion - £38,588

Build a kitchen extension - £42,516

Hip to gable loft conversion - £42,516

Granny annexe - £87,516

Garden office - £10,516

Convert a Garage - £16,516

Garage - £19,016

Build a flat roof extension - £22,516

Build a dormer loft conversion - £42,516

Concrete foundations - £6,766

Convert a bungalow loft - £29,516

Convert a basement - £43,305