From £21,976
D.Bradbury Property Services are here to help customers who need an Extension Builder in OX11. We offer a competitive rate to complete all your ext...
From £22,200
The business can carry out all aspects of building work:- single or double storey extensions- kitchen and bathroom installations- p...
From £22,096
Trusted and professional extension builder in OX11. Experienced in all extension buildering work and keeping within budget and on quote. Jigsaw Com...
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 OX11. Please contact us for a free, no obligation quote a...
From £22,392
Need to find an Extension Builder near you for all your extension buildering work?
Steel Brook Construction provides a local, trusted exten...
From £22,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,096
Countryside Oak is an established and experienced local extension builder in OX11. Please contact us for a free, no obligation quote and competitiv...
From £22,168
Need to find an Extension Builder near you for all your extension buildering work?
Inside Out Oxford, Bespoke Garden Rooms provides a loca...
From £21,856
AJC PROJECT SERVICES Ltd is an established and experienced local extension builder in OX11. Please contact us for a free, no obligation quote and c...

A flat roof extension ranges from the cheapest of £21,856 (AJC PROJECT SERVICES Ltd based in OX10) to the dearest of £22,392 (Steel Brook Construction based in OX10), 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 OX11 by posting a job with HaMuch. We'll send it to extension builders in OX11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| 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 South Oxfordshire | £36 | £253 |
| Build A Flat Roof Extension near Vale of White Horse | £36 | £271 |
| Build A Flat Roof Extension near Oxford | £37 | £265 |
| Build A Flat Roof Extension near Newbury | £37 | £262 |
| Build A Flat Roof Extension near Thatcham | £38 | £266 |
| Build A Flat Roof Extension near Caversham | £38 | £266 |
| Build A Flat Roof Extension near Reading | £42 | £266 |
| Build A Flat Roof Extension near Witney | £32 | £244 |
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 - £17,602

Two storey extension - £88,154

Build a timber frame extension - £26,102

Build a swimming pool - £81,102

Single storey extension - £57,048

Side return extension - £42,652

Install an RSJ - £2,302

Outbuilding - £10,102

Build a Mansard loft conversion - £52,102

Loft conversion - £34,710

Build a kitchen extension - £42,102

Hip to gable loft conversion - £42,102

Granny annexe - £87,102

Garden office - £10,102

Convert a Garage - £16,102

Garage - £18,602

Build a flat roof extension - £22,102

Build a dormer loft conversion - £42,102

Concrete foundations - £6,352

Convert a bungalow loft - £29,102

Convert a basement - £38,652