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Our Builders Ltd
Max Dixon
We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...
J&S WALLINGTON LIMITED
We provide our clients with excellent service and quality. Whether you are looking to extend or upgrade, our professional team has the skills and e...
The Perfectionist
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Lewisham. No obligation free quotes ...
Jmc buildets
Jay Christenson
Experienced extension builder ready to quote for your work. Jmc buildets is the best extension builder in Lewisham. No obligation free quotes and m...
AMJAC CONSTRUCTION LTD
Need to find an Extension Builder near you for all your extension buildering work?
AMJAC CONSTRUCTION LTD provides a local, trusted extensi...
RLD Contractors Ltd
RLD Contractors Ltd is an established and experienced local extension builder in Lewisham. Please contact us for a free, no obligation quote and co...
Rapid Bee Ltd
Rapid Bee Ltd is an established extension buildering business in Lewisham. We come highly recommended and provide competitive quotes for your work....
HA.ME.RA Building & Decoration
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Upwards and Outwards
Relax... you have found a reliable extension builder in Lewisham. Upwards and Outwards is a friendly and reliable company based in Lewisham who con...
Hartigans Construction
Andy Hart
Need to find an Extension Builder near you for all your extension buildering work?
Hartigans Construction provides a local, trusted extensi...
Garden Office Cost in Lewisham
Garden offices range from the cheapest of £9,616 (Jmc buildets based in SE9) to the dearest of £10,200 (HA.ME.RA Building & Decoration based in BR1), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in Lewisham by posting a job with HaMuch. We'll send it to extension builders in Lewisham.
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- Do you need planning permission for a garden office?
- Are garden offices warm in winter?
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Estimates for common extension builder jobs in Lewisham;
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 - £17,524
Two storey extension - £88,036
Build a timber frame extension - £26,024
Build a swimming pool - £81,024
Single storey extension - £55,480
Side return extension - £41,770
Install an RSJ - £2,224
Outbuilding - £10,024
Build a Mansard loft conversion - £52,024
Loft conversion - £33,975
Build a kitchen extension - £42,024
Hip to gable loft conversion - £42,024
Granny annexe - £87,024
Garden office - £10,024
Convert a Garage - £16,024
Garage - £18,524
Build a flat roof extension - £22,024
Build a dormer loft conversion - £42,024
Concrete foundations - £6,274
Convert a bungalow loft - £29,024
Convert a basement - £37,770