The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
Wantage, OX12
Relax... you have found a reliable extension builder in Wantage. CHF CONSTRUCTION is a friendly and reliable company based in Wantage who consider ...
Martin Patto
Friendly local builder... professional tidy and competitive....
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
D.Bradbury Property Services are here to help customers who need an Extension Builder in Wantage. We offer a competitive rate to complete all your ...
From £22,200
WJW Home Improvements - Friendly and professional builders. We specialize in extensions, loft conversions, and big renovation projects. Our motto i...
From £22,224
SH Carpentry and Construction Ltd is a professional, reliable and friendly carpentry, joinery and general construction company working in and aroun...
From £22,120
Bluestones Garden Design Ltd is an established and experienced local extension builder in Wantage. Please contact us for a free, no obligation quot...
From £22,032
Trusted and professional extension builder in Wantage. Experienced in all extension buildering work and keeping within budget and on quote. Jamie L...

A flat roof extension ranges from the cheapest of £21,960 (Threesixfive FM Services Ltd based in OX11) to the dearest of £22,224 (SH Carpentry & Construction Limited based in OX12), 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 Wantage by posting a job with HaMuch. We'll send it to extension builders in Wantage.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Vale of White Horse | £36 | £271 |
| Build A Flat Roof Extension near Didcot | £36 | £266 |
| Build A Flat Roof Extension near Abingdon-on-Thames | £35 | £258 |
| Build A Flat Roof Extension near Oxford | £37 | £261 |
| Build A Flat Roof Extension near Witney | £32 | £244 |
| Build A Flat Roof Extension near Newbury | £37 | £262 |
| Build A Flat Roof Extension near Stratton St Margaret | £32 | £238 |
| Build A Flat Roof Extension near South Oxfordshire | £36 | £253 |
| Build A Flat Roof Extension near Swindon | £31 | £238 |
| Build A Flat Roof Extension near Thatcham | £38 | £266 |
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 - £17,605

Two storey extension - £88,157

Build a timber frame extension - £26,105

Build a swimming pool - £81,105

Single storey extension - £57,098

Side return extension - £42,680

Install an RSJ - £2,305

Outbuilding - £10,105

Build a Mansard loft conversion - £52,105

Loft conversion - £34,733

Build a kitchen extension - £42,105

Hip to gable loft conversion - £42,105

Granny annexe - £87,105

Garden office - £10,105

Convert a Garage - £16,105

Garage - £18,605

Build a flat roof extension - £22,105

Build a dormer loft conversion - £42,105

Concrete foundations - £6,355

Convert a bungalow loft - £29,105

Convert a basement - £38,680