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J Stevens Roofing & Guttering
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
D B Jones Builder
Trusted and professional extension builder in KT20. Experienced in all extension buildering work and keeping within budget and on quote. D B Jones ...
From £10,224
Cannon Gardens
David Hunt
Kingswood, KT20
Relax... you have found a reliable extension builder in KT20. Cannon Gardens is a friendly and reliable company based in KT20 who consider no job a...
From £9,904
Able Construction T/A
Experienced extension builder ready to quote for your work. Able Construction T/A is the best extension builder in KT20. No obligation free quotes ...
From £10,096
MSI
Tadworth, KT20
Relax... you have found a reliable extension builder in KT20. MSI is a friendly and reliable company based in KT20 who consider no job as too big o...
From £10,880
London Bespoke Build
Need an Extension Builder in KT20? London Bespoke Build has been helping local clients (10 mile radius) with their extension buildering jobs for ma...
From £9,968
D Bateman General Building Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,464
PZ Refurbishment Ltd
Pawel Zajac
At PZ Refurbishment we offer all aspects of Building, Roofing, Electrical, Joinery, Plumbing, Heating and more. We can carry out a large variety of...
From £10,352
AG Design And Build Limited
Tadworth, KT20
AG Design And Build Limited is an established extension buildering business in KT20. We come highly recommended and provide competitive quotes for ...
From £10,024
Building and Electricals Ltd
Our family-run building services company Building and Electricals Ltd has over 40 combined years of experience in the industry. We help customers i...
Garden Office Cost in KT20
Garden offices range from the cheapest of £9,904 (Able Construction T/A based in KT20) to the dearest of £10,880 (London Bespoke Build based in KT20), 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 KT20 by posting a job with HaMuch. We'll send it to extension builders in KT20.
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- Do you need planning permission for a garden office?
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Estimates for common extension builder jobs in KT20;
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 - £17,721
Two storey extension - £88,331
Build a timber frame extension - £26,221
Build a swimming pool - £81,221
Single storey extension - £59,416
Side return extension - £43,984
Install an RSJ - £2,421
Outbuilding - £10,221
Build a Mansard loft conversion - £52,221
Loft conversion - £35,820
Build a kitchen extension - £42,221
Hip to gable loft conversion - £42,221
Granny annexe - £87,221
Garden office - £10,221
Convert a Garage - £16,221
Garage - £18,721
Build a flat roof extension - £22,221
Build a dormer loft conversion - £42,221
Concrete foundations - £6,471
Convert a bungalow loft - £29,221
Convert a basement - £39,984