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Select your affordable Betws extension builder
Evans Home Improvements are here to help customers who need an Extension Builder in Betws. We offer a competitive rate to complete all your extensi...
Andy Power
Worked in building all my working life.
Worked as a builder 30 plus year's.
Am a hands on builder. Have built hou...
Betws, SA18
Relax... you have found a reliable extension builder in Betws. OSBORNE BUILDING SERVICES is a friendly and reliable company based in Betws who cons...
Relax... you have found a reliable extension builder in Betws. ANTIS CONSTRUCTION is a friendly and reliable company based in Betws who consider no...
Betws, SA18
Experienced extension builder ready to quote for your work. D J Howells is the best extension builder in Betws. No obligation free quotes and many ...
Betws, SA18
Experienced extension builder ready to quote for your work. CR BUILDING & MAINTENANCE SERV is the best extension builder in Betws. No obligation fr...
From £21,192
Ian Daniels
I have 26 years experience in the building industry and owned my company for 24 years, i am able to carry out most buildin...
From £21,848
Rowan Evans Building Contractors is an established extension buildering business in Betws. We come highly recommended and provide competitive quote...
From £22,000
Betws, SA18
GAB BUILDING CONTRACTORS LTD is an established and experienced local extension builder in Betws. Please contact us for a free, no obligation quote ...
From £21,672
SC CONSTRUCTION is an established and experienced local extension builder in Betws. Please contact us for a free, no obligation quote and competiti...

A flat roof extension ranges from the cheapest of £21,192 (R i daniels based in SA14) to the dearest of £22,080 (Apex Building Services based in SA4), 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 Betws by posting a job with HaMuch. We'll send it to extension builders in Betws.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Gorseinon | £29 | £229 |
| Build A Flat Roof Extension near Neath | £30 | £227 |
| Build A Flat Roof Extension near Llanelli | £29 | £231 |
| Build A Flat Roof Extension near Neath Port Talbot | £31 | £224 |
| Build A Flat Roof Extension near Swansea | £29 | £230 |
| Build A Flat Roof Extension near Carmarthen | £26 | £205 |
| Build A Flat Roof Extension near Carmarthenshire | £26 | £205 |
| Build A Flat Roof Extension near Port Talbot | £31 | £227 |
| Build A Flat Roof Extension near Maesteg | £38 | £283 |
| Build A Flat Roof Extension near Pyle | £34 | £262 |
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 - £17,320

Two storey extension - £87,730

Build a timber frame extension - £25,820

Build a swimming pool - £80,820

Single storey extension - £51,400

Side return extension - £39,475

Install an RSJ - £2,020

Outbuilding - £9,820

Build a Mansard loft conversion - £51,820

Loft conversion - £32,063

Build a kitchen extension - £41,820

Hip to gable loft conversion - £41,820

Granny annexe - £86,820

Garden office - £9,820

Convert a Garage - £15,820

Garage - £18,320

Build a flat roof extension - £21,820

Build a dormer loft conversion - £41,820

Concrete foundations - £6,070

Convert a bungalow loft - £28,820

Convert a basement - £35,475