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AM Builder
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder ...
Jmc buildets
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in SE7. No obligation free quotes and many h...
JASPG Construction & Design
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
RLD Contractors Ltd
RLD Contractors Ltd is an established and experienced local extension builder in SE7. Please contact us for a free, no obligation quote and competi...
From £21,920
Trafalgar Building Company Limited
Trusted and professional extension builder in SE7. Experienced in all extension buildering work and keeping within budget and on quote. Trafalgar B...
From £22,224
TA LEE BUILDING SERVICES
TA LEE BUILDING SERVICES is an established extension buildering business in SE7. We come highly recommended and provide competitive quotes for your...
From £22,272
Prestige Roofing Limited
Ricky Fuller
Experienced extension builder ready to quote for your work. Prestige Roofing Limited is the best extension builder in SE7. No obligation free quote...
From £22,080
Dry Spell Builders
Dry Spell Builders are here to help customers who need an Extension Builder in SE7. We offer a competitive rate to complete all your extension buil...
From £22,128
Storeyboard
Experienced extension builder ready to quote for your work. Storeyboard is the best extension builder in SE7. No obligation free quotes and many ha...
From £22,200
Storeyboard
Storeyboard work on projects of all sizes from outhouses and extensions to full renovations and commercial projects.We offer a complete and bespoke...
Flat roof extension cost in SE7
A flat roof extension ranges from the cheapest of £21,616 (Jmc buildets based in SE9) to the dearest of £22,520 (JASPG Construction & Design based in SE18), 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 SE7 by posting a job with HaMuch. We'll send it to extension builders in SE7.
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- 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 SE7;
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 - £17,598
Two storey extension - £88,148
Build a timber frame extension - £26,098
Build a swimming pool - £81,098
Single storey extension - £56,968
Side return extension - £42,607
Install an RSJ - £2,298
Outbuilding - £10,098
Build a Mansard loft conversion - £52,098
Loft conversion - £34,673
Build a kitchen extension - £42,098
Hip to gable loft conversion - £42,098
Granny annexe - £87,098
Garden office - £10,098
Convert a Garage - £16,098
Garage - £18,598
Build a flat roof extension - £22,098
Build a dormer loft conversion - £42,098
Concrete foundations - £6,348
Convert a bungalow loft - £29,098
Convert a basement - £38,607