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Samuele Paolini
Need an Extension Builder in Kentish Town? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for...
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 Kentish Town? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs...
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
SJ Expert Building Services are here to help customers who need an Extension Builder in Kentish Town. We offer a competitive rate to complete all y...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Kentish Town and the surrounding area. Contact us to today to get a compet...
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Kentish Town. No obligation free quo...
Relax... you have found a reliable extension builder in Kentish Town. London Trowel Co. is a friendly and reliable company based in Kentish Town wh...
Darren Bergin
Relax... you have found a reliable extension builder in Kentish Town. First guard Roofing is a friendly and reliable company based in Kentish Town ...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Kentish Town and the surrounding area. Contact us to today t...

A flat roof extension ranges from the cheapest of £21,928 (BPS Building based in NW6) to the dearest of £22,400 (Five Star Builder based in N16), 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 Kentish Town by posting a job with HaMuch. We'll send it to extension builders in Kentish Town.
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 - £17,671

Two storey extension - £88,257

Build a timber frame extension - £26,171

Build a swimming pool - £81,171

Single storey extension - £58,424

Side return extension - £43,426

Install an RSJ - £2,371

Outbuilding - £10,171

Build a Mansard loft conversion - £52,171

Loft conversion - £35,355

Build a kitchen extension - £42,171

Hip to gable loft conversion - £42,171

Granny annexe - £87,171

Garden office - £10,171

Convert a Garage - £16,171

Garage - £18,671

Build a flat roof extension - £22,171

Build a dormer loft conversion - £42,171

Concrete foundations - £6,421

Convert a bungalow loft - £29,171

Convert a basement - £39,426