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Samuele Paolini
Need an Extension Builder in Primrose Hill? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs fo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
V.S.P is a trusted extension builder serving customers in Primrose Hill and the surrounding area. Contact us to today to get a competitive quote fo...
Jonathan Rimmer
Experienced extension builder ready to quote for your work. Mr is the best extension builder in Primrose Hill. No obligation free quotes and many h...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Patrick Gavin
Need an Extension Builder in Primrose Hill? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering job...
Need to find an Extension Builder near you for all your extension buildering work?
BELLVIEW BUILDERS LTD provides a local, trusted extensio...
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Primrose Hill. No obligation...
SJ Expert Building Services are here to help customers who need an Extension Builder in Primrose Hill. We offer a competitive rate to complete all ...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Primrose Hill and the surrounding area. Contact us to today to get a compe...

A flat roof extension ranges from the cheapest of £21,904 (V.S.P based in NW10) to the dearest of £22,392 (Samuele Paolini based in NW2), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Primrose Hill by posting a job with HaMuch. We'll send it to extension builders in Primrose Hill.
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 - £17,634

Two storey extension - £88,200

Build a timber frame extension - £26,134

Build a swimming pool - £81,134

Single storey extension - £57,672

Side return extension - £43,003

Install an RSJ - £2,334

Outbuilding - £10,134

Build a Mansard loft conversion - £52,134

Loft conversion - £35,003

Build a kitchen extension - £42,134

Hip to gable loft conversion - £42,134

Granny annexe - £87,134

Garden office - £10,134

Convert a Garage - £16,134

Garage - £18,634

Build a flat roof extension - £22,134

Build a dormer loft conversion - £42,134

Concrete foundations - £6,384

Convert a bungalow loft - £29,134

Convert a basement - £39,003