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Need an Extension Builder in Southall? Ava Constructions & Decors Ltd has been helping local clients (10 mile radius) with their extension builderi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bill Matharu
Matharu Buildings is an established extension buildering business in Southall. We come highly recommended and provide competitive quotes for your w...
Image Design & Consultants is a trusted extension builder serving customers in Southall and the surrounding area. Contact us to today to get a comp...
Vital Builders are here to help customers who need an Extension Builder in Southall. We offer a competitive rate to complete all your extension bui...
Need to find an Extension Builder near you for all your extension buildering work?
J K GENERAL BUILDING LTD provides a local, trusted exten...
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Southall. We offer a competitive rate to complete all your ext...
Trusted and professional extension builder in Southall. Experienced in all extension buildering work and keeping within budget and on quote. DC Bui...
Bhupinder Singh
Trusted and professional extension builder in Southall. Experienced in all extension buildering work and keeping within budget and on quote. Elegan...
Global Building & Designs Ltd is an established and experienced local extension builder in Southall. Please contact us for a free, no obligation qu...

Mansard loft conversions range from the cheapest installation of £51,944 (Ava Constructions & Decors Ltd based in UB3) to the dearest of around £52,312 (T M Builder based in UB4).
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 Southall by posting a job with HaMuch and we'll send it to extension builders in Southall.
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 - £17,633

Two storey extension - £88,199

Build a timber frame extension - £26,133

Build a swimming pool - £81,133

Single storey extension - £57,656

Side return extension - £42,994

Install an RSJ - £2,333

Outbuilding - £10,133

Build a Mansard loft conversion - £52,133

Loft conversion - £34,995

Build a kitchen extension - £42,133

Hip to gable loft conversion - £42,133

Granny annexe - £87,133

Garden office - £10,133

Convert a Garage - £16,133

Garage - £18,633

Build a flat roof extension - £22,133

Build a dormer loft conversion - £42,133

Concrete foundations - £6,383

Convert a bungalow loft - £29,133

Convert a basement - £38,994