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 Primrose Hill? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs fo...
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...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...
Jay Reid
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in Primrose Hill. No obligation...
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...
Darren Bergin
Relax... you have found a reliable extension builder in Primrose Hill. First guard Roofing is a friendly and reliable company based in Primrose Hil...
JK Doors is a trusted extension builder serving customers in Primrose Hill and the surrounding area. Contact us to today to get a competitive quote...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Primrose Hill by posting a job with HaMuch and we will 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 - £17,807

Two storey extension - £88,461

Build a timber frame extension - £26,307

Build a swimming pool - £81,307

Single storey extension - £61,144

Side return extension - £44,956

Install an RSJ - £2,507

Outbuilding - £10,307

Build a Mansard loft conversion - £52,307

Loft conversion - £36,630

Build a kitchen extension - £42,307

Hip to gable loft conversion - £42,307

Granny annexe - £87,307

Garden office - £10,307

Convert a Garage - £16,307

Garage - £18,807

Build a flat roof extension - £22,307

Build a dormer loft conversion - £42,307

Concrete foundations - £6,557

Convert a bungalow loft - £29,307

Convert a basement - £40,956