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 £22,216
Experienced extension builder ready to quote for your work. DRC Construction is the best extension builder in Abingdon-on-thames. No obligation fre...
From £22,136
Need to find an Extension Builder near you for all your extension buildering work?
THAMESIDE CONSTRUCTION provides a local, trusted extensi...
From £22,120
Bluestones Garden Design Ltd is an established and experienced local extension builder in Abingdon-on-thames. Please contact us for a free, no obli...
From £22,032
Trusted and professional extension builder in Abingdon-on-thames. Experienced in all extension buildering work and keeping within budget and on quo...
From £21,984
Lambert Home Builds is a trusted extension builder serving customers in Abingdon-on-thames and the surrounding area. Contact us to today to get a c...
From £21,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,240
Approved extension builder in Abingdon-on-thames, covering 20 miles.
Whatever extension buildering work you need, including emergency repair...
From £21,976
D.Bradbury Property Services are here to help customers who need an Extension Builder in Abingdon-on-thames. We offer a competitive rate to complet...
From £21,960
Friendly local builder... professional tidy and competitive....

A flat roof extension ranges from the cheapest of £21,880 (JKT BUILDERS based in OX4) to the dearest of £22,240 (APH Construction Limited based in OX2), 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 Abingdon-on-thames by posting a job with HaMuch. We'll send it to extension builders in Abingdon-on-thames.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Abingdon-on-Thames | £35 | £258 |
| Build A Flat Roof Extension near Didcot | £36 | £266 |
| Build A Flat Roof Extension near Oxford | £37 | £261 |
| 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 Witney | £32 | £244 |
| Build A Flat Roof Extension near Cherwell | £35 | £249 |
| Build A Flat Roof Extension near Bicester | £35 | £249 |
| Build A Flat Roof Extension near Newbury | £37 | £262 |
| Build A Flat Roof Extension near Caversham | £38 | £265 |
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 - £17,565

Two storey extension - £88,097

Build a timber frame extension - £26,065

Build a swimming pool - £81,065

Single storey extension - £56,296

Side return extension - £42,229

Install an RSJ - £2,265

Outbuilding - £10,065

Build a Mansard loft conversion - £52,065

Loft conversion - £34,358

Build a kitchen extension - £42,065

Hip to gable loft conversion - £42,065

Granny annexe - £87,065

Garden office - £10,065

Convert a Garage - £16,065

Garage - £18,565

Build a flat roof extension - £22,065

Build a dormer loft conversion - £42,065

Concrete foundations - £6,315

Convert a bungalow loft - £29,065

Convert a basement - £38,229