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Luxuria Property Ltd
From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...
EGPM LTD
EGPM LTD are here to help customers who need an Extension Builder in TW20. We offer a competitive rate to complete all your extension buildering jo...
From £22,464
Kandy Build and Construction Ltd
Egham, TW20
Kandy Build and Construction Ltd is an established extension buildering business in TW20. We come highly recommended and provide competitive quotes...
From £22,216
Keay Roofing Services Ltd
Need an Extension Builder in TW20? Keay Roofing Services Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...
Flat roof extension cost in TW20
A flat roof extension ranges from the cheapest of £22,160 (EGPM LTD based in TW20) to the dearest of £22,464 (Kandy Build and Construction Ltd based in TW20), 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 TW20 by posting a job with HaMuch. We'll send it to extension builders in TW20.
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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 TW20;
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 - £17,788
Two storey extension - £88,432
Build a timber frame extension - £26,288
Build a swimming pool - £81,288
Single storey extension - £60,760
Side return extension - £44,740
Install an RSJ - £2,488
Outbuilding - £10,288
Build a Mansard loft conversion - £52,288
Loft conversion - £36,450
Build a kitchen extension - £42,288
Hip to gable loft conversion - £42,288
Granny annexe - £87,288
Garden office - £10,288
Convert a Garage - £16,288
Garage - £18,788
Build a flat roof extension - £22,288
Build a dormer loft conversion - £42,288
Concrete foundations - £6,538
Convert a bungalow loft - £29,288
Convert a basement - £40,740