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Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Image Design & Consultants is a trusted extension builder serving customers in Whitton and the surrounding area. Contact us to today to get a compe...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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JD Construction is an established and experienced local extension builder in Whitton. Please contact us for a free, no obligation quote and competi...
Relax... you have found a reliable extension builder in Whitton. BUILDING SPACE UK LTD is a friendly and reliable company based in Whitton who cons...
Need an Extension Builder in Whitton? ZNS Construction has been helping local clients (10 mile radius) with their extension buildering jobs for man...
Gallant Contractors have partnered with Homeowners, Designers and Architects to deliver unrivalled construction, renovation, double glazing and ref...

Mansard loft conversions range from the cheapest installation of £51,896 (Tota Builders based in TW2) to the dearest of around £52,432 (ZNS Construction based in TW14).
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 Whitton by posting a job with HaMuch and we'll send it to extension builders in Whitton.
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