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D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in SE11. No obligation free q...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in SE11. 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 SE11. No obligation free quo...
DUWIX BUILDING MAINTENANCE
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in SE11. 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 SE11. 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
AAA Design Decorators are here to help customers who need an Extension Builder in SE11. 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...
Flat roof extension cost in SE11
A flat roof extension ranges from the cheapest of £21,976 (A to Z Builders Ltd based in SW1P) to the dearest of £22,456 (Ask Building based in SE1), 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 SE11 by posting a job with HaMuch. We'll send it to extension builders in SE11.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- Factors affecting the cost of flat roof extensions
- Advantages and disadvantages of flat roofs
- Which is cheaper: a flat roof or pitched roof?
- How long does a flat roof extension take?
- Do you need planning permission for a flat roof extension?
- How long does a flat roof last?
- Can you walk on a flat roof extension?
- What insulation do I need for a flat roof extension?
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Estimates for common extension builder jobs in SE11;
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 - £17,723
Two storey extension - £88,335
Build a timber frame extension - £26,223
Build a swimming pool - £81,223
Single storey extension - £59,464
Side return extension - £44,011
Install an RSJ - £2,423
Outbuilding - £10,223
Build a Mansard loft conversion - £52,223
Loft conversion - £35,843
Build a kitchen extension - £42,223
Hip to gable loft conversion - £42,223
Granny annexe - £87,223
Garden office - £10,223
Convert a Garage - £16,223
Garage - £18,723
Build a flat roof extension - £22,223
Build a dormer loft conversion - £42,223
Concrete foundations - £6,473
Convert a bungalow loft - £29,223
Convert a basement - £40,011