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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.
"Underpin a building" - N7, job posted 23/08/26
Five Star Builder
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in N16. No obligation free quotes and m...
"Fully extend with side return and renovate dated Victorian house with loft added. Size is 100m2 currently to 160m2 on completion." - E5, job posted 19/06/25
London Trowel Co.
Stamford Hill, N16
Relax... you have found a reliable extension builder in N16. London Trowel Co. is a friendly and reliable company based in N16 who consider no job ...
"Need an extension builder" - N4, job posted 18/05/25
Thermodynamic Building Services Ltd
Trusted and professional extension builder in N16. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynam...
"Basement conversion" - E5, job posted 27/04/25
GG CONSTRUCTION LTD
GG CONSTRUCTION LTD is a trusted extension builder serving customers in N16 and the surrounding area. Contact us to today to get a competitive quot...
"RSJ re-installation" - N16, job posted 10/04/25
Andreas Thomas Demetri
Andreas Thomas Demetri is a trusted extension builder serving customers in N16 and the surrounding area. Contact us to today to get a competitive q...
"Flat roof extension" - E5, job posted 18/03/25
Carland Builders Ltd
Carland Builders Ltd are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extension bu...
"Having planning permission, having structure drawing, about 40 square metres basement extension, looking for builders, want to be done ASAP." - N7, job posted 15/12/23
Carbin Canopy
Relax... you have found a reliable extension builder in N16. Carbin Canopy is a friendly and reliable company based in N16 who consider no job as t...
Amastic Roofing Building and Scaffolding Services Ltd
Greater Londo, N16
Trusted and professional extension builder in N16. Experienced in all extension buildering work and keeping within budget and on quote. Amastic Roo...
Brooks Builders & Decorators
Brooks Builders & Decorators is an established extension buildering business in N16. We come highly recommended and provide competitive quotes for ...
DLER SINGH D S BUILDERS
DLER SINGH D S BUILDERS are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extension...
COMPLETE BUILDING COMPANY
Frankie
Stamford Hill, N16
COMPLETE BUILDING COMPANY are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extensi...
D B Duri Building
D B Duri Building are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extension build...
£46/hr
£293/day
BM Lofts Limited
Need an Extension Builder in N16? BM Lofts Limited has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
£45/hr
£282/day
M Collins Builders Ltd
Michael Collins Builders are experts in domestic conversions and extensions - drawing on over 25 years experience in the trade. We have built up a ...
£46/hr
£289/day
The Victorian Bay Restoration Co
We source all the original and traditional materials along withnew materials and the latest technology. This enables us tocreate perfect architectu...
£43/hr
£268/day
FISKA DESIGN & BUILD
Stamford Hill, N16
FISKA DESIGN & BUILD are here to help customers who need an Extension Builder in N16. We offer a competitive rate to complete all your extension bu...
£41/hr
£255/day
Maddison & Sons
Maddison & sons pride ourselves on attention to detail at the highest level.With an extensive background As Mains Contractors in construction fabri...
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local N16 Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near 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.
Build a timber frame extension - £26,200
Garden office - £10,200
Granny annexe - £87,200
Build a flat roof extension - £22,200
Convert a Garage - £16,200
Hip to gable loft conversion - £42,200
Convert a bungalow loft - £29,200
Build a dormer loft conversion - £42,200
Build a swimming pool - £81,200
Build a Mansard loft conversion - £52,200
Concrete foundations - £6,450
Underpin a building - £17,700
Two storey extension - £88,300
Convert a basement - £39,750
Side return extension - £43,750
Loft conversion - £35,625
Garage - £18,700
Single storey extension - £59,000
Outbuilding - £10,200
Install an RSJ - £2,400
Build a kitchen extension - £42,200
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