From £87,032
Need an Extension Builder in Kentish Town? Capital Projects has been helping local clients (5 mile radius) with their extension buildering jobs for...
From £87,296
Welcome to Capital Projects , where you will receive one of the finest quality building and refurbishment services in London. We are a London based...
From £86,904
JAMES REGAN CONSTRUCTION is a trusted extension builder serving customers in Kentish Town and the surrounding area. Contact us to today to get a co...
From £87,128
RAM Build Construction Ltd is an established and experienced local extension builder in Kentish Town. Please contact us for a free, no obligation q...
From £87,328
Need an Extension Builder in Kentish Town? Forster & Sons has been helping local clients (5 mile radius) with their extension buildering jobs for m...
From £86,976
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...
From £87,032
Square Foot Basements Ltd are here to help customers who need an Extension Builder in Kentish Town. We offer a competitive rate to complete all you...
From £86,960
Experienced extension builder ready to quote for your work. D.W Baker is the best extension builder in Kentish Town. No obligation free quotes and ...
From £87,048
Need an Extension Builder in Kentish Town? Avocado Sweets Design Studio has been helping local clients (5 mile radius) with their extension builder...
From £87,488
Welcome to Novo Solutions Group Ltd - Your premier building construction and renovation specialists. Based in the UK, Novo Solutions Group...

Building a granny annexe ranges from £86,904 (JAMES REGAN CONSTRUCTION based in NW5) to £87,488 (Novo Solutions Group Ltd based in NW3), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Kentish Town by posting a job with HaMuch. We will send it to extension builders in Kentish Town who will be happy to help you.
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 - £17,619

Two storey extension - £88,179

Build a timber frame extension - £26,119

Build a swimming pool - £81,119

Single storey extension - £57,384

Side return extension - £42,841

Install an RSJ - £2,319

Outbuilding - £10,119

Build a Mansard loft conversion - £52,119

Loft conversion - £34,868

Build a kitchen extension - £42,119

Hip to gable loft conversion - £42,119

Granny annexe - £87,119

Garden office - £10,119

Convert a Garage - £16,119

Garage - £18,619

Build a flat roof extension - £22,119

Build a dormer loft conversion - £42,119

Concrete foundations - £6,369

Convert a bungalow loft - £29,119

Convert a basement - £38,841