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T M Builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Mario Prajar Building Services
Mario Prajar Building Services is an established and experienced local extension builder in Greenford. Please contact us for a free, no obligation ...
Vital Builders
Vital Builders are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your extension bu...
J K GENERAL BUILDING LTD
Need to find an Extension Builder near you for all your extension buildering work?
J K GENERAL BUILDING LTD provides a local, trusted exten...
MJ Builders (London) Ltd
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Greenford. We offer a competitive rate to complete all your ex...
WHIPP CONSTRUCTION LTD
WHIPP CONSTRUCTION LTD is an established extension buildering business in Greenford. We come highly recommended and provide competitive quotes for ...
C & A Contractors
C & A Contractors is a trusted extension builder serving customers in Greenford and the surrounding area. Contact us to today to get a competitive ...
DC Build & Pave
Trusted and professional extension builder in Greenford. Experienced in all extension buildering work and keeping within budget and on quote. DC Bu...
LALI BUILDERS
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Matharu Buildings
Bill Matharu
Matharu Buildings is an established extension buildering business in Greenford. We come highly recommended and provide competitive quotes for your ...
Cost of a two storey extension in Greenford
Costs range from £88,000 (Vital Builders based in UB5) to £88,636 (LALI BUILDERS based in NW10), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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- How much does a two storey extension cost?
- Factors affecting the cost of a double storey extension
- How much value does a two storey extension add to a property?
- Types of two storey extension
- How long does a two storey extension take to build?
- Do you need planning permission for a two storey extension?
- What is the 45-degree rule for two storey extensions?
- Do you need an architect for an extension?
- How to finance an extension
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Estimates for common extension builder jobs in Greenford;
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 - £17,686
Two storey extension - £88,278
Build a timber frame extension - £26,186
Build a swimming pool - £81,186
Single storey extension - £58,712
Side return extension - £43,588
Install an RSJ - £2,386
Outbuilding - £10,186
Build a Mansard loft conversion - £52,186
Loft conversion - £35,490
Build a kitchen extension - £42,186
Hip to gable loft conversion - £42,186
Granny annexe - £87,186
Garden office - £10,186
Convert a Garage - £16,186
Garage - £18,686
Build a flat roof extension - £22,186
Build a dormer loft conversion - £42,186
Concrete foundations - £6,436
Convert a bungalow loft - £29,186
Convert a basement - £39,588