From £52,296
Greater London, E2
Relax... you have found a reliable extension builder in E2. Hannah Construction is a friendly and reliable company based in E2 who consider no job ...
From £52,080
Checa Romero is an established and experienced local extension builder in E2. Please contact us for a free, no obligation quote and competitive rat...
From £52,360
Need an Extension Builder in E2? Sean & Stephen Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
From £52,216
Trusted and professional extension builder in E2. Experienced in all extension buildering work and keeping within budget and on quote. AB Building ...
From £52,264
Greater London, E2
BLOCK Design & Build is an established extension buildering business in E2. We come highly recommended and provide competitive quotes for your work...
From £51,928
GS Fabric Ltd is an established and experienced local extension builder in E2. Please contact us for a free, no obligation quote and competitive ra...
From £52,528
Gabriel Shin is an established and experienced local extension builder in E2. Please contact us for a free, no obligation quote and competitive rat...
From £52,336
Pencil and Brick is the collective name for our architect practice and our construction company. We're based in East London.We work on a wide range...
From £51,976
ISLE CONSTRUCTION LTD is a trusted extension builder serving customers in E2 and the surrounding area. Contact us to today to get a competitive quo...
From £52,408
Experienced extension builder ready to quote for your work. ATOM BUILD LTD T/A is the best extension builder in E2. No obligation free quotes and m...

Mansard loft conversions range from the cheapest installation of £51,928 (GS Fabric Ltd based in E2) to the dearest of around £52,528 (Gabriel Shin based in E1).
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 E2 by posting a job with HaMuch and we'll send it to extension builders in E2.
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 - £17,739

Two storey extension - £88,359

Build a timber frame extension - £26,239

Build a swimming pool - £81,239

Single storey extension - £59,784

Side return extension - £44,191

Install an RSJ - £2,439

Outbuilding - £10,239

Build a Mansard loft conversion - £52,239

Loft conversion - £35,993

Build a kitchen extension - £42,239

Hip to gable loft conversion - £42,239

Granny annexe - £87,239

Garden office - £10,239

Convert a Garage - £16,239

Garage - £18,739

Build a flat roof extension - £22,239

Build a dormer loft conversion - £42,239

Concrete foundations - £6,489

Convert a bungalow loft - £29,239

Convert a basement - £40,191