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GDW Construction
Relax... you have found a reliable extension builder in Carshalton. GDW Construction is a friendly and reliable company based in Carshalton who con...
Gb construction
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Carshalton. We offer a competitive rate to complete all your extension...
D & R Roofing & Loft Conversions, Building & Design
Relax... you have found a reliable extension builder in Carshalton. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable ...
Hilton building contractors ltd
Hilton building contractors ltd is a trusted extension builder serving customers in Carshalton and the surrounding area. Contact us to today to get...
Amazing Space Design and Build Ltd.
Relax... you have found a reliable extension builder in Carshalton. Amazing Space Design and Build Ltd. is a friendly and reliable company based in...
RM Sanwell Roofing
RM Sanwell Roofing is a trusted extension builder serving customers in Carshalton and the surrounding area. Contact us to today to get a competitiv...
CSJ Building Services
Trusted and professional extension builder in Carshalton. Experienced in all extension buildering work and keeping within budget and on quote. CSJ ...
Masters Property Services
Carshalton, SM5
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...
HELIX BUILDING SOLUTIONS LTD
Experienced extension builder ready to quote for your work. HELIX BUILDING SOLUTIONS LTD is the best extension builder in Carshalton. No obligation...
Flat roof extension cost in Carshalton
A flat roof extension ranges from the cheapest of £21,936 (Masters Property Services based in SM5) to the dearest of £22,800 (GDW Construction based in SM3), 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 Carshalton by posting a job with HaMuch. We'll send it to extension builders in Carshalton.
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Estimates for common extension builder jobs in Carshalton;
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 - £17,757
Two storey extension - £88,385
Build a timber frame extension - £26,257
Build a swimming pool - £81,257
Single storey extension - £60,136
Side return extension - £44,389
Install an RSJ - £2,457
Outbuilding - £10,257
Build a Mansard loft conversion - £52,257
Loft conversion - £36,158
Build a kitchen extension - £42,257
Hip to gable loft conversion - £42,257
Granny annexe - £87,257
Garden office - £10,257
Convert a Garage - £16,257
Garage - £18,757
Build a flat roof extension - £22,257
Build a dormer loft conversion - £42,257
Concrete foundations - £6,507
Convert a bungalow loft - £29,257
Convert a basement - £40,389