From £22,200
WJW Home Improvements - Friendly and professional builders. We specialize in extensions, loft conversions, and big renovation projects. Our motto i...
From £22,128
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 ...
From £21,960
Friendly local builder... professional tidy and competitive....
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 £22,200
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £22,104
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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...
From £21,976
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 £22,096
Trusted and professional extension builder in Wantage. Experienced in all extension buildering work and keeping within budget and on quote. Jigsaw ...
From £22,216
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Wantage. No obligation free quotes an...

A flat roof extension ranges from the cheapest of £21,960 (Threesixfive FM Services Ltd based in OX11) to the dearest of £22,216 (DRC Construction based in OX14), 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 | £32 | £242 |
| Build A Flat Roof Extension near Didcot | £31 | £231 |
| Build A Flat Roof Extension near Abingdon-on-Thames | £31 | £228 |
| Build A Flat Roof Extension near Oxford | £32 | £230 |
| Build A Flat Roof Extension near Witney | £29 | £219 |
| Build A Flat Roof Extension near Newbury | £32 | £228 |
| Build A Flat Roof Extension near Stratton St Margaret | £32 | £208 |
| Build A Flat Roof Extension near South Oxfordshire | £32 | £229 |
| Build A Flat Roof Extension near Swindon | £32 | £207 |
| Build A Flat Roof Extension near Thatcham | £33 | £229 |
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 - £17,603

Two storey extension - £88,155

Build a timber frame extension - £26,103

Build a swimming pool - £81,103

Single storey extension - £57,064

Side return extension - £42,661

Install an RSJ - £2,303

Outbuilding - £10,103

Build a Mansard loft conversion - £52,103

Loft conversion - £34,718

Build a kitchen extension - £42,103

Hip to gable loft conversion - £42,103

Granny annexe - £87,103

Garden office - £10,103

Convert a Garage - £16,103

Garage - £18,603

Build a flat roof extension - £22,103

Build a dormer loft conversion - £42,103

Concrete foundations - £6,353

Convert a bungalow loft - £29,103

Convert a basement - £38,661