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Bellator Construction Ltd
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
WT Construction Service Ltd
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
New Finishes
New Finishes is a trusted extension builder serving customers in N14 and the surrounding area. Contact us to today to get a competitive quote for e...
Pavillion Building Services
Relax... you have found a reliable extension builder in N14. Pavillion Building Services is a friendly and reliable company based in N14 who consid...
Wittick Building Ltd
Wittick Building Ltd is a trusted extension builder serving customers in N14 and the surrounding area. Contact us to today to get a competitive quo...
Roni Lofts Conversions Ltd
Need an Extension Builder in N14? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...
Onyx Iv
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.
Raf's Building Service
Need to find an Extension Builder near you for all your extension buildering work?
Raf's Building Service provides a local, trusted extensi...
Elmfield Property Services
Need to find an Extension Builder near you for all your extension buildering work?
Elmfield Property Services provides a local, trusted ext...
Homeworks Design & Build Ltd
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 N14
A flat roof extension ranges from the cheapest of £21,320 (Onyx Iv based in N11) to the dearest of £22,584 (Homeworks Design & Build Ltd based in N20), 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 N14 by posting a job with HaMuch. We'll send it to extension builders in N14.
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Estimates for common extension builder jobs in N14;
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 - £17,525
Two storey extension - £88,037
Build a timber frame extension - £26,025
Build a swimming pool - £81,025
Single storey extension - £55,496
Side return extension - £41,779
Install an RSJ - £2,225
Outbuilding - £10,025
Build a Mansard loft conversion - £52,025
Loft conversion - £33,983
Build a kitchen extension - £42,025
Hip to gable loft conversion - £42,025
Granny annexe - £87,025
Garden office - £10,025
Convert a Garage - £16,025
Garage - £18,525
Build a flat roof extension - £22,025
Build a dormer loft conversion - £42,025
Concrete foundations - £6,275
Convert a bungalow loft - £29,025
Convert a basement - £37,779