From £22,280
Member since August 2026
Relax... you have found a reliable extension builder in Watermead. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Waterm...
From £22,232
If you are looking for a Watermead extension builder and you need something replaced, fitted, or fixed, contact Space Above Limited today. We are c...
From £22,000
Member since July 2020
EB Construction & Building Ltd are here to help customers who need an Extension Builder in Watermead. We offer a competitive rate to complete all y...
From £22,344
Trusted and professional extension builder in Watermead. Experienced in all extension buildering work and keeping within budget and on quote. Peter...
From £21,936
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
From £22,336
Ohanaa Ltd is a trusted extension builder serving customers in Watermead and the surrounding area. Contact us to today to get a competitive quote f...
From £22,112
JASON SHARP SHARP BUILDERS is a trusted extension builder serving customers in Watermead and the surrounding area. Contact us to today to get a com...
From £22,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,216
Need to find an Extension Builder near you for all your extension buildering work?
BA Knott Oxford Ltd provides a local, trusted extension ...
From £22,320
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A flat roof extension ranges from the cheapest of £21,936 (Bacan's cleaning painting and decorating based in LU1) to the dearest of £22,344 (Peter's Gutters based in AL5), 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 Watermead by posting a job with HaMuch. We'll send it to extension builders in Watermead.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Aylesbury | £42 | £270 |
| Build A Flat Roof Extension near Aylesbury Vale | £36 | £246 |
| Build A Flat Roof Extension near Leighton Buzzard | £38 | £270 |
| Build A Flat Roof Extension near Berkhamsted | £41 | £263 |
| Build A Flat Roof Extension near Chesham | £42 | £277 |
| Build A Flat Roof Extension near Hazlemere | £40 | £272 |
| Build A Flat Roof Extension near Dunstable | £41 | £272 |
| Build A Flat Roof Extension near Bletchley | £39 | £265 |
| Build A Flat Roof Extension near Wycombe | £39 | £271 |
| Build A Flat Roof Extension near High Wycombe | £39 | £272 |
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 - £17,697

Two storey extension - £88,295

Build a timber frame extension - £26,197

Build a swimming pool - £81,197

Single storey extension - £58,936

Side return extension - £43,714

Install an RSJ - £2,397

Outbuilding - £10,197

Build a Mansard loft conversion - £52,197

Loft conversion - £35,595

Build a kitchen extension - £42,197

Hip to gable loft conversion - £42,197

Granny annexe - £87,197

Garden office - £10,197

Convert a Garage - £16,197

Garage - £18,697

Build a flat roof extension - £22,197

Build a dormer loft conversion - £42,197

Concrete foundations - £6,447

Convert a bungalow loft - £29,197

Convert a basement - £39,714