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From £21,616
DRAGON CONSTRUCTION T/A
Experienced extension builder ready to quote for your work. DRAGON CONSTRUCTION T/A is the best extension builder in Wales. No obligation free quot...
From £21,608
SP Coupland Ltd
Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...
Flat roof extension cost in Wales
A flat roof extension ranges from the cheapest of £21,608 (SP Coupland Ltd based in SY25) to the dearest of £21,616 (DRAGON CONSTRUCTION T/A based in SY25), 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 Wales by posting a job with HaMuch. We'll send it to extension builders in Wales.
- How much does a flat roof extension cost?
- Flat roof extension cost per m2
- 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?
Estimates for common extension builder jobs in Wales;
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 - £17,112
Two storey extension - £87,418
Build a timber frame extension - £25,612
Build a swimming pool - £80,612
Single storey extension - £47,240
Side return extension - £37,135
Install an RSJ - £1,812
Outbuilding - £9,612
Build a Mansard loft conversion - £51,612
Loft conversion - £30,113
Build a kitchen extension - £41,612
Hip to gable loft conversion - £41,612
Granny annexe - £86,612
Garden office - £9,612
Convert a Garage - £15,612
Garage - £18,112
Build a flat roof extension - £21,612
Build a dormer loft conversion - £41,612
Concrete foundations - £5,862
Convert a bungalow loft - £28,612
Convert a basement - £33,135