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Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Relax... you have found a reliable extension builder in Broadgate. London Trowel Co. is a friendly and reliable company based in Broadgate who cons...
Trusted and professional extension builder in Broadgate. Experienced in all extension buildering work and keeping within budget and on quote. Therm...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Broadgate. No obligation free qu...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Broadgate and the surrounding area. Contact us to today to g...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Broadgate. We offer a competitive rate to complete all your extensi...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Broadgate. No obligation fre...
JK Doors is a trusted extension builder serving customers in Broadgate and the surrounding area. Contact us to today to get a competitive quote for...
GS Fabric Ltd is an established and experienced local extension builder in Broadgate. Please contact us for a free, no obligation quote and competi...

Mansard loft conversions range from the cheapest installation of £51,928 (GS Fabric Ltd based in E2) to the dearest of around £52,376 (CK Constructions & Development Ltd based in WC1N).
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 Broadgate by posting a job with HaMuch and we'll send it to extension builders in Broadgate.
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 - £17,620

Two storey extension - £88,180

Build a timber frame extension - £26,120

Build a swimming pool - £81,120

Single storey extension - £57,400

Side return extension - £42,850

Install an RSJ - £2,320

Outbuilding - £10,120

Build a Mansard loft conversion - £52,120

Loft conversion - £34,875

Build a kitchen extension - £42,120

Hip to gable loft conversion - £42,120

Granny annexe - £87,120

Garden office - £10,120

Convert a Garage - £16,120

Garage - £18,620

Build a flat roof extension - £22,120

Build a dormer loft conversion - £42,120

Concrete foundations - £6,370

Convert a bungalow loft - £29,120

Convert a basement - £38,850