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A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in SE17. We offer a competitive rate to complete all your extension bu...
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in SE17. No obligation free quo...
Vidanov Building Services
Trusted and professional extension builder in SE17. Experienced in all extension buildering work and keeping within budget and on quote. Vidanov Bu...
DUWIX BUILDING MAINTENANCE
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in SE17. We offer a competitive rate to complete all your exten...
Building and Plastering Solution
Peter Cesma
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
Home Tranformers Ltd
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
F & F Building Services
F & F Building Services is an established extension buildering business in SE17. We come highly recommended and provide competitive quotes for your...
Ask Building
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...
AAA Design Decorators
Elephant & Castle, SE17
AAA Design Decorators are here to help customers who need an Extension Builder in SE17. We offer a competitive rate to complete all your extension ...
AGRI CONSTRUCTION
Need to find an Extension Builder near you for all your extension buildering work?
AGRI CONSTRUCTION provides a local, trusted extension bu...
Cost of a two storey extension in SE17
Costs range from £87,964 (A to Z Builders Ltd based in SW1P) to £88,684 (Ask Building based in SE1), 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 SE17;
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 - £17,712
Two storey extension - £88,318
Build a timber frame extension - £26,212
Build a swimming pool - £81,212
Single storey extension - £59,240
Side return extension - £43,885
Install an RSJ - £2,412
Outbuilding - £10,212
Build a Mansard loft conversion - £52,212
Loft conversion - £35,738
Build a kitchen extension - £42,212
Hip to gable loft conversion - £42,212
Granny annexe - £87,212
Garden office - £10,212
Convert a Garage - £16,212
Garage - £18,712
Build a flat roof extension - £22,212
Build a dormer loft conversion - £42,212
Concrete foundations - £6,462
Convert a bungalow loft - £29,212
Convert a basement - £39,885