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RJC BUILDING SERVICES
Need an Extension Builder in BR7? RJC BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs for ma...
Master Builders
Need to find an Extension Builder near you for all your extension buildering work?
Master Builders provides a local, trusted extension buil...
POVERSET BUILDING COMPANY
Curtis Archer
Relax... you have found a reliable extension builder in BR7. POVERSET BUILDING COMPANY is a friendly and reliable company based in BR7 who consider...
Aumosa Ltd
Experienced extension builder ready to quote for your work. Aumosa Ltd is the best extension builder in BR7. No obligation free quotes and many hap...
R&K EVANS BUILDERS
Chislehurst, BR7
R&K EVANS BUILDERS is an established extension buildering business in BR7. We come highly recommended and provide competitive quotes for your work....
May & Sons Building Solutions Limited
Our building services company May & Sons Building Solutions Limited is a family-run business established in 2019. Since then we have been helping c...
Fairview Construction Team Ltd.
As a well-established, FMB-approved construction company, we have offices in both North and South London. Because we operate out of Bromley and Isl...
PARAMOUNT CONSTRUCTION (UK)
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Altash Building Services
Experienced extension builder ready to quote for your work. Altash Building Services is the best extension builder in BR7. No obligation free quote...
MONUMENTAL CONSTRUCTION LIMITE
MONUMENTAL CONSTRUCTION LIMITE are here to help customers who need an Extension Builder in BR7. We offer a competitive rate to complete all your ex...
Extension builder estimates (based on hourly rates) to build a single storey extension in BR7
- 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 BR7;
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 - £17,603
Two storey extension - £88,155
Build a timber frame extension - £26,103
Build a swimming pool - £81,103
Single storey extension - £57,064
Side return extension - £42,661
Install an RSJ - £2,303
Outbuilding - £10,103
Build a Mansard loft conversion - £52,103
Loft conversion - £34,718
Build a kitchen extension - £42,103
Hip to gable loft conversion - £42,103
Granny annexe - £87,103
Garden office - £10,103
Convert a Garage - £16,103
Garage - £18,603
Build a flat roof extension - £22,103
Build a dormer loft conversion - £42,103
Concrete foundations - £6,353
Convert a bungalow loft - £29,103
Convert a basement - £38,661