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Ali Alagoz
Propello is an established and experienced local extension builder in N17. Please contact us for a free, no obligation quote and competitive rates...
Relax... you have found a reliable extension builder in N17. 2nwest Builders and Decorators Ltd is a friendly and reliable company based in N17 who...
J&H Builder is a trusted extension builder serving customers in N17 and the surrounding area. Contact us to today to get a competitive quote for ex...
MEGABUILD LTD is a trusted extension builder serving customers in N17 and the surrounding area. Contact us to today to get a competitive quote for ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
GG CONSTRUCTION LTD is a trusted extension builder serving customers in N17 and the surrounding area. Contact us to today to get a competitive quot...
Need an Extension Builder in N17? A K Decoration & Building Serv has been helping local clients (5 mile radius) with their extension buildering job...
Fine Loft Construction are here to help customers who need an Extension Builder in N17. We offer a competitive rate to complete all your extension ...
KJV CONSTRUCTION LTD is an established and experienced local extension builder in N17. Please contact us for a free, no obligation quote and compet...

Outbuilding costs in N17 range from the cheapest of £9,600 (ADD CONSTRUCTION (LONDON) LTD based in N15) to the dearest of £11,584 (Propello based in E17), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in N17 by posting a job with HaMuch and we will send it to extension builders.
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 - £17,678

Two storey extension - £88,266

Build a timber frame extension - £26,178

Build a swimming pool - £81,178

Single storey extension - £58,552

Side return extension - £43,498

Install an RSJ - £2,378

Outbuilding - £10,178

Build a Mansard loft conversion - £52,178

Loft conversion - £35,415

Build a kitchen extension - £42,178

Hip to gable loft conversion - £42,178

Granny annexe - £87,178

Garden office - £10,178

Convert a Garage - £16,178

Garage - £18,678

Build a flat roof extension - £22,178

Build a dormer loft conversion - £42,178

Concrete foundations - £6,428

Convert a bungalow loft - £29,178

Convert a basement - £39,498