From £52,320
Prestige Roofing and Guttering Services is a trusted extension builder serving customers in UB11 and the surrounding area. Contact us to today to g...
From £52,360
Need to find an Extension Builder near you for all your work?
R&P Solution LTD provides a local, trusted service in and around UB11. Home...
From £52,096
SS CONSTRUCTION is an established business in UB11. We come highly recommended and provide competitive quotes for your work.
From £52,360
and extensions. We pride ourselves not only in quality of our work or excellence in customer service, but most importantly in the fact that we trea...
From £52,416
Trusted and professional extension builder in UB11. Experienced in all work and keeping within budget and on quote. CC Builders UK & Development L...
From £51,928
G S Builders are here to help customers who need an Extension Builder in UB11. We offer a competitive rate to complete all your jobs to profession...
From £52,432
GMB BUILDING SERVICES is an established and experienced local extension builder in UB11. Please contact us for a free, no obligation quote and comp...
From £52,440
La Vaastu An expert eye for design!My little practice is based in West London and I’ve been practicing for about six years. The types of archite...
From £52,248
Design Abode is a trusted extension builder serving customers in UB11 and the surrounding area. Contact us to today to get a competitive quote for ...

Mansard loft conversions range from the cheapest installation of £51,928 (G S Builders based in UB8) to the dearest of around £52,440 (La Vaastu based in ub7).
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 UB11 by posting a job with HaMuch and we'll send it to extension builders in UB11.
"Mansard loft conversion" - HAYES
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 - £17,794

Two storey extension - £88,440

Build a timber frame extension - £26,294

Build a swimming pool - £81,294

Single storey extension - £60,872

Side return extension - £44,803

Install an RSJ - £2,494

Outbuilding - £10,294

Build a Mansard loft conversion - £52,294

Loft conversion - £36,503

Build a kitchen extension - £42,294

Hip to gable loft conversion - £42,294

Granny annexe - £87,294

Garden office - £10,294

Convert a Garage - £16,294

Garage - £18,794

Build a flat roof extension - £22,294

Build a dormer loft conversion - £42,294

Concrete foundations - £6,544

Convert a bungalow loft - £29,294

Convert a basement - £40,803