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D & R Roofing & Loft Conversions, Building & Design
Relax... you have found a reliable extension builder in SM5. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable company...
CSJ Building Services
Trusted and professional extension builder in SM5. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...
Masters Property Services
Carshalton, SM5
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
HELIX BUILDING SOLUTIONS LTD
Experienced extension builder ready to quote for your work. HELIX BUILDING SOLUTIONS LTD is the best extension builder in SM5. No obligation free q...
NCN Projects
Experienced extension builder ready to quote for your work. NCN Projects is the best extension builder in SM5. No obligation free quotes and many h...
REA CONSTRUCTION LTD
REA CONSTRUCTION LTD are here to help customers who need an Extension Builder in SM5. We offer a competitive rate to complete all your extension bu...
Lee Builders & Decorators
Trusted and professional extension builder in SM5. Experienced in all extension buildering work and keeping within budget and on quote. Lee Builder...
Rayner & Cook Building Services
Experienced extension builder ready to quote for your work. Rayner & Cook Building Services is the best extension builder in SM5. No obligation fre...
UK Services & Supplies Ltd
Need to find an Extension Builder near you for all your extension buildering work?
UK Services & Supplies Ltd provides a local, trusted ext...
BROMLEY TIMBER AND BUILDERS ME
Need to find an Extension Builder near you for all your extension buildering work?
BROMLEY TIMBER AND BUILDERS ME provides a local, trusted...
Flat roof extension cost in SM5
A flat roof extension ranges from the cheapest of £21,928 (BROMLEY TIMBER AND BUILDERS ME based in CR0) to the dearest of £22,504 (CSJ Building Services based in SM1), 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 SM5 by posting a job with HaMuch. We'll send it to extension builders in SM5.
- 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 SM5;
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 - £17,611
Two storey extension - £88,167
Build a timber frame extension - £26,111
Build a swimming pool - £81,111
Single storey extension - £57,224
Side return extension - £42,751
Install an RSJ - £2,311
Outbuilding - £10,111
Build a Mansard loft conversion - £52,111
Loft conversion - £34,793
Build a kitchen extension - £42,111
Hip to gable loft conversion - £42,111
Granny annexe - £87,111
Garden office - £10,111
Convert a Garage - £16,111
Garage - £18,611
Build a flat roof extension - £22,111
Build a dormer loft conversion - £42,111
Concrete foundations - £6,361
Convert a bungalow loft - £29,111
Convert a basement - £38,751