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Samuele Paolini
Samuele Paolini
Need an Extension Builder in NW11? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many ye...
A&J BUILDERS & DECORATORS LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
NWL Renovations Ltd
Patrick Gavin
Need an Extension Builder in NW11? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for man...
BELLVIEW BUILDERS LTD
Need to find an Extension Builder near you for all your extension buildering work?
BELLVIEW BUILDERS LTD provides a local, trusted extensio...
Swiftdale Developments Ltd
Golders Green, NW11
Need the extension buildering job done quickly without breaking the bank? Swiftdale Developments Ltd offer fast, reliable, and affordable extension...
WHITE EAGLE CONSTRUCTION LTD
Trusted and professional extension builder in NW11. Experienced in all extension buildering work and keeping within budget and on quote. WHITE EAGL...
Taylor Construction Services Ltd
Relax... you have found a reliable extension builder in NW11. Taylor Construction Services Ltd is a friendly and reliable company based in NW11 who...
DS Construction
Trusted and professional extension builder in NW11. Experienced in all extension buildering work and keeping within budget and on quote. DS Constru...
RF Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,352
AK Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Flat roof extension cost in NW11
A flat roof extension ranges from the cheapest of £21,984 (RF Building Services based in N3) 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 NW11 by posting a job with HaMuch. We'll send it to extension builders in NW11.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- Factors affecting the cost of flat roof extensions
- Advantages and disadvantages of flat roofs
- Which is cheaper: a flat roof or pitched roof?
- How long does a flat roof extension take?
- Do you need planning permission for a flat roof extension?
- How long does a flat roof last?
- Can you walk on a flat roof extension?
- What insulation do I need for a flat roof extension?
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Estimates for common extension builder jobs in NW11;
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 - £17,710
Two storey extension - £88,314
Build a timber frame extension - £26,210
Build a swimming pool - £81,210
Single storey extension - £59,192
Side return extension - £43,858
Install an RSJ - £2,410
Outbuilding - £10,210
Build a Mansard loft conversion - £52,210
Loft conversion - £35,715
Build a kitchen extension - £42,210
Hip to gable loft conversion - £42,210
Granny annexe - £87,210
Garden office - £10,210
Convert a Garage - £16,210
Garage - £18,710
Build a flat roof extension - £22,210
Build a dormer loft conversion - £42,210
Concrete foundations - £6,460
Convert a bungalow loft - £29,210
Convert a basement - £39,858