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We Fix & Upkeep Ltd
Cosmin-Adrian Aporcariti
Chertsey, KT16
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
GS Wood Building Services
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...
From £22,296
London Rated Roofing
Chertsey, KT16
Relax... you have found a reliable extension builder in KT16. London Rated Roofing is a friendly and reliable company based in KT16 who consider no...
From £21,672
Inspiral Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,136
EcoWoodDesign
EcoWoodDesign are here to help customers who need an Extension Builder in KT16. We offer a competitive rate to complete all your extension builderi...
Flat roof extension cost in KT16
A flat roof extension ranges from the cheapest of £21,672 (Inspiral Construction based in KT16) to the dearest of £22,296 (London Rated Roofing based in KT16), 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 KT16 by posting a job with HaMuch. We'll send it to extension builders in KT16.
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- Factors affecting the cost of flat roof extensions
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- 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 KT16;
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 - £17,474
Two storey extension - £87,962
Build a timber frame extension - £25,974
Build a swimming pool - £80,974
Single storey extension - £54,488
Side return extension - £41,212
Install an RSJ - £2,174
Outbuilding - £9,974
Build a Mansard loft conversion - £51,974
Loft conversion - £33,510
Build a kitchen extension - £41,974
Hip to gable loft conversion - £41,974
Granny annexe - £86,974
Garden office - £9,974
Convert a Garage - £15,974
Garage - £18,474
Build a flat roof extension - £21,974
Build a dormer loft conversion - £41,974
Concrete foundations - £6,224
Convert a bungalow loft - £28,974
Convert a basement - £37,212