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J & D Construction
Trusted and professional extension builder in SW20. Experienced in all extension buildering work and keeping within budget and on quote. J & D Cons...
ACE BUILDING CONTRACTORS AND D
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
The Bleu Group
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
You Nailed It Ltd
At You Nailed It Ltd we have been fitting bespoke bathrooms since 2008.It is a well-known fact that bathrooms sell houses. They also add a ...
Flanagan Construction Ltd
Tom Flanagan
Very experienced Builder in this area ,Epsom Sutton Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...
Artin Construction
Artin Construction is an established extension buildering business in SW20. We come highly recommended and provide competitive quotes for your work...
TTG CONSTRUCTION LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Racsel Building Services Ltd
Trusted and professional extension builder in SW20. Experienced in all extension buildering work and keeping within budget and on quote. Racsel Bui...
TRITON BUILDING RESTN LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Racsel Building Services Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Racsel Building Services Ltd provides a local, trusted e...
SEDGWICK BUILDING SERVICES LLP
SEDGWICK BUILDING SERVICES LLP are here to help customers who need an Extension Builder in SW20. We offer a competitive rate to complete all your e...
Gordon Dicks
Trusted and professional extension builder in SW20. Experienced in all extension buildering work and keeping within budget and on quote. Gordon Dic...
£38/hr
£241/day
WILDE BUILDING CONTRACTORS LTD
WILDE BUILDING CONTRACTORS LTD is an established extension buildering business in SW20. We come highly recommended and provide competitive quotes f...
£45/hr
£284/day
DesignBox Architecture Limited
DesignBox Architecture Ltd is a chartered architectural design practice based in South West London. We can offer a full range of architectural serv...
£40/hr
£255/day
Oszusci
Oszusci is an established and experienced local extension builder in SW20. Please contact us for a free, no obligation quote and competitive rates....
£45/hr
£286/day
Linkfern Limited
Linkfern Limited is an established extension buildering business in SW20. We come highly recommended and provide competitive quotes for your work.<...
£43/hr
£270/day
St Martins Design + Construct
St Martins Design + Construct offers an all inclusive design & build service for the Greater London area. We are focused on meeting clients’ obje...
£40/hr
£258/day
BuildExtensions
Merton, SW20
Need to find an Extension Builder near you for all your extension buildering work?
BuildExtensions provides a local, trusted extension buil...
£45/hr
£285/day
Kisiel Group
Need to find an Extension Builder near you for all your extension buildering work?
Kisiel Group provides a local, trusted extension builder...
Quickly find an Extension Builder in SW20
Use these steps to find Extension Builders in SW20 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SW20. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local SW20 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 - £26,152
Garden office - £10,152
Granny annexe - £87,152
Build a flat roof extension - £22,152
Convert a Garage - £16,152
Hip to gable loft conversion - £42,152
Convert a bungalow loft - £29,152
Build a dormer loft conversion - £42,152
Build a swimming pool - £81,152
Build a Mansard loft conversion - £52,152
Concrete foundations - £6,402
Underpin a building - £17,652
Two storey extension - £88,228
Convert a basement - £39,210
Side return extension - £43,210
Loft conversion - £35,175
Garage - £18,652
Single storey extension - £58,040
Outbuilding - £10,152
Install an RSJ - £2,352
Build a kitchen extension - £42,152
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