From £6,530
Member since August 2026
Relax... you have found a reliable extension builder in High Wycombe. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in Hig...
From £6,554
JD Construction is an established and experienced local extension builder in High Wycombe. Please contact us for a free, no obligation quote and co...
From £6,682
Need an Extension Builder in High Wycombe? ZNS Construction has been helping local clients (10 mile radius) with their extension buildering jobs fo...
From £6,194
Need an Extension Builder in High Wycombe? Ava Constructions & Decors Ltd has been helping local clients (10 mile radius) with their extension buil...
From £6,346
Matharu Buildings is an established extension buildering business in High Wycombe. We come highly recommended and provide competitive quotes for yo...
From £6,674
Sharp Building Ltd is an established and experienced local extension builder in High Wycombe. Please contact us for a free, no obligation quote and...
From £6,242
Gallant Contractors have partnered with Homeowners, Designers and Architects to deliver unrivalled construction, renovation, double glazing and ref...
From £6,362
JJSR Construction Ltd is an established and experienced local extension builder in High Wycombe. Please contact us for a free, no obligation quote ...
From £6,562
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,530
Trusted and professional extension builder in High Wycombe. Experienced in all extension buildering work and keeping within budget and on quote. DC...

Concrete foundations range from the £6,194 (Ava Constructions & Decors Ltd based in UB3) to £6,682 (ZNS Construction based in TW14) in High Wycombe.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in High Wycombe by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near High Wycombe | £39 | £272 |
| Concrete Foundations near Wycombe | £39 | £271 |
| Concrete Foundations near Hazlemere | £40 | £272 |
| Concrete Foundations near Maidenhead | £41 | £273 |
| Concrete Foundations near Chesham | £42 | £277 |
| Concrete Foundations near Gerrards Cross | £43 | £282 |
| Concrete Foundations near Slough | £42 | £272 |
| Concrete Foundations near Windsor & Maidenhead | £42 | £272 |
| Concrete Foundations near Windsor | £41 | £271 |
| Concrete Foundations near Rickmansworth | £42 | £278 |
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 - £17,718

Two storey extension - £88,326

Build a timber frame extension - £26,218

Build a swimming pool - £81,218

Single storey extension - £59,352

Side return extension - £43,948

Install an RSJ - £2,418

Outbuilding - £10,218

Build a Mansard loft conversion - £52,218

Loft conversion - £35,790

Build a kitchen extension - £42,218

Hip to gable loft conversion - £42,218

Granny annexe - £87,218

Garden office - £10,218

Convert a Garage - £16,218

Garage - £18,718

Build a flat roof extension - £22,218

Build a dormer loft conversion - £42,218

Concrete foundations - £6,468

Convert a bungalow loft - £29,218

Convert a basement - £39,948