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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...
Image Design & Consultants
Image Design & Consultants is a trusted extension builder serving customers in Southall and the surrounding area. Contact us to today to get a comp...
Vital Builders
Vital Builders are here to help customers who need an Extension Builder in Southall. We offer a competitive rate to complete all your extension bui...
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 Southall. We offer a competitive rate to complete all your ext...
DC Build & Pave
Trusted and professional extension builder in Southall. Experienced in all extension buildering work and keeping within budget and on quote. DC Bui...
Matharu Buildings
Bill Matharu
Matharu Buildings is an established extension buildering business in Southall. We come highly recommended and provide competitive quotes for your w...
Elegance Construction Ltd
Bhupinder Singh
Trusted and professional extension builder in Southall. Experienced in all extension buildering work and keeping within budget and on quote. Elegan...
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in Southall. Please contact us for a free, no obligation qu...
JD Construction
Southall, UB2
JD Construction is an established and experienced local extension builder in Southall. Please contact us for a free, no obligation quote and compet...
Extension builder estimates (based on hourly rates) to build a single storey extension in Southall
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
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Estimates for common extension builder jobs in Southall;
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 - £17,669
Two storey extension - £88,253
Build a timber frame extension - £26,169
Build a swimming pool - £81,169
Single storey extension - £58,376
Side return extension - £43,399
Install an RSJ - £2,369
Outbuilding - £10,169
Build a Mansard loft conversion - £52,169
Loft conversion - £35,333
Build a kitchen extension - £42,169
Hip to gable loft conversion - £42,169
Granny annexe - £87,169
Garden office - £10,169
Convert a Garage - £16,169
Garage - £18,669
Build a flat roof extension - £22,169
Build a dormer loft conversion - £42,169
Concrete foundations - £6,419
Convert a bungalow loft - £29,169
Convert a basement - £39,399