Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Highgate. No obligation free quotes ...
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
Need the extension buildering job done quickly without breaking the bank? Swiftdale Developments Ltd offer fast, reliable, and affordable extension...
Samuele Paolini
Need an Extension Builder in Highgate? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for man...
Relax... you have found a reliable extension builder in Highgate. London Trowel Co. is a friendly and reliable company based in Highgate who consid...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Highgate and the surrounding area. Contact us to today to get a competitiv...
Darren Bergin
Relax... you have found a reliable extension builder in Highgate. First guard Roofing is a friendly and reliable company based in Highgate who cons...
Hussein Eljhani
We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.
GG CONSTRUCTION LTD is a trusted extension builder serving customers in Highgate and the surrounding area. Contact us to today to get a competitive...
Patrick Gavin
Need an Extension Builder in Highgate? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for...

Mansard loft conversions range from the cheapest installation of £51,528 (Bellator Construction Ltd based in N11) to the dearest of around £52,640 (ELJHANI BUILDING & PROPERTY MANAGEMENT SERVICES LTD based in NE4).
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 Highgate by posting a job with HaMuch and we'll send it to extension builders in Highgate.
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 - £17,663

Two storey extension - £88,245

Build a timber frame extension - £26,163

Build a swimming pool - £81,163

Single storey extension - £58,264

Side return extension - £43,336

Install an RSJ - £2,363

Outbuilding - £10,163

Build a Mansard loft conversion - £52,163

Loft conversion - £35,280

Build a kitchen extension - £42,163

Hip to gable loft conversion - £42,163

Granny annexe - £87,163

Garden office - £10,163

Convert a Garage - £16,163

Garage - £18,663

Build a flat roof extension - £22,163

Build a dormer loft conversion - £42,163

Concrete foundations - £6,413

Convert a bungalow loft - £29,163

Convert a basement - £39,336