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Bspec Ltd
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
Propello
Ali Alagoz
Propello is an established and experienced local extension builder in Seven Sisters. Please contact us for a free, no obligation quote and competi...
SJ Expert Building Services
SJ Expert Building Services are here to help customers who need an Extension Builder in Seven Sisters. We offer a competitive rate to complete all ...
2nwest Builders and Decorators Ltd
Relax... you have found a reliable extension builder in Seven Sisters. 2nwest Builders and Decorators Ltd is a friendly and reliable company based ...
Five Star Builder
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Seven Sisters. No obligation free qu...
Dakus Construction Ltd
Dakus Construction Ltd are here to help customers who need an Extension Builder in Seven Sisters. We offer a competitive rate to complete all your ...
Bellator Construction Ltd
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
J&H Builder
J&H Builder is a trusted extension builder serving customers in Seven Sisters and the surrounding area. Contact us to today to get a competitive qu...
MEGABUILD LTD
MEGABUILD LTD is a trusted extension builder serving customers in Seven Sisters and the surrounding area. Contact us to today to get a competitive ...
John Ghanie
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 Seven Sisters
A flat roof extension ranges from the cheapest of £21,528 (Bellator Construction Ltd based in N11) to the dearest of £23,584 (Propello based in E17), 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 Seven Sisters by posting a job with HaMuch. We'll send it to extension builders in Seven Sisters.
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Estimates for common extension builder jobs in Seven Sisters;
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 - £17,711
Two storey extension - £88,317
Build a timber frame extension - £26,211
Build a swimming pool - £81,211
Single storey extension - £59,224
Side return extension - £43,876
Install an RSJ - £2,411
Outbuilding - £10,211
Build a Mansard loft conversion - £52,211
Loft conversion - £35,730
Build a kitchen extension - £42,211
Hip to gable loft conversion - £42,211
Granny annexe - £87,211
Garden office - £10,211
Convert a Garage - £16,211
Garage - £18,711
Build a flat roof extension - £22,211
Build a dormer loft conversion - £42,211
Concrete foundations - £6,461
Convert a bungalow loft - £29,211
Convert a basement - £39,876