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Propello
Ali Alagoz
Greater London, E17
Propello is an established and experienced local extension builder in E17. Please contact us for a free, no obligation quote and competitive rates...
"Loft conversion" - E17, job posted 29/10/25
UK Drywall Ltd
UK Drywall Ltd is an established and experienced local extension builder in E17. Please contact us for a free, no obligation quote and competitive ...
"Loft conversion Double storey extension" - E18, job posted 09/08/25
2nwest Builders and Decorators Ltd
London, E17
Relax... you have found a reliable extension builder in E17. 2nwest Builders and Decorators Ltd is a friendly and reliable company based in E17 who...
"Side return extension" - E17, job posted 08/03/25
Dakus Construction Ltd
Dakus Construction Ltd are here to help customers who need an Extension Builder in E17. We offer a competitive rate to complete all your extension ...
"Loft conversion" - WOODFORD, job posted 02/11/24
Dragan Building Construction
Need to find an Extension Builder near you for all your extension buildering work?
Dragan Building Construction provides a local, trusted e...
"Loft conversion" - E18, job posted 13/04/24
J&H Builder
J&H Builder is a trusted extension builder serving customers in E17 and the surrounding area. Contact us to today to get a competitive quote for ex...
"Rear ground level extension" - E17, job posted 06/10/23
M & D BUILDING & DECORATING
Walthamstow, E17
M & D BUILDING & DECORATING are here to help customers who need an Extension Builder in E17. We offer a competitive rate to complete all your exten...
MEGABUILD LTD
MEGABUILD LTD is a trusted extension builder serving customers in E17 and the surrounding area. Contact us to today to get a competitive quote for ...
John Ghanie
Walthamstow, E17
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Mehar builders limited
Mehar Allahdeta
Experienced extension builder ready to quote for your work. Mehar builders limited is the best extension builder in E17. No obligation free quotes...
Gardening Life Ltd
IONUT SORIN Leoveanu
Hi , we are profesional team , we are based in Leyton but we cover all London.
Happy customers = happy team= the business is gooin...
Iservices-uk.org
Ilirjan Sheqja
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Expert Crew Ltd
Walthamstow, E17
Expert Crew Ltd is an established and experienced local extension builder in E17. Please contact us for a free, no obligation quote and competitive...
HHOMECONCEPTS
We are Joinery and renovation company based in London where we can offer from Kitchen & wardrobes design ,supply ,installation ,joinery services an...
Bushwood Carpentry and Building Ltd
Bushwood Carpentry & Building Ltd. consists of a team of trustworthy, reliable and professional tradespeople with over 22 years experience. We are ...
Supreme Lofts Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Supreme Lofts Ltd provides a local, trusted extension bu...
£46/hr
£287/day
A & B LONDON CONSTRUCTION
Walthamstow, E17
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£41/hr
£262/day
E & G Restoration Ltd
E & G Restoration Ltd are here to help customers who need an Extension Builder in E17. We offer a competitive rate to complete all your extension b...
£46/hr
£289/day
The Victorian Bay Restoration Co
Greater London, E17
We source all the original and traditional materials along withnew materials and the latest technology. This enables us tocreate perfect architectu...
£38/hr
£238/day
FM BUILDING SOLUTIONS LTD
Relax... you have found a reliable extension builder in E17. FM BUILDING SOLUTIONS LTD is a friendly and reliable company based in E17 who consider...
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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 - £26,240

Garden office - £10,240

Granny annexe - £87,240

Build a flat roof extension - £22,240

Convert a Garage - £16,240

Hip to gable loft conversion - £42,240

Convert a bungalow loft - £29,240

Build a dormer loft conversion - £42,240

Build a swimming pool - £81,240

Build a Mansard loft conversion - £52,240

Concrete foundations - £6,490

Underpin a building - £17,740

Two storey extension - £88,360

Convert a basement - £40,200

Side return extension - £44,200

Loft conversion - £36,000

Garage - £18,740

Single storey extension - £59,800

Outbuilding - £10,240

Install an RSJ - £2,440

Build a kitchen extension - £42,240
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