From £6,130
Relax... you have found a reliable extension builder in BS23. A M I Construction is a friendly and reliable company based in BS23 who consider no j...
From £5,450
Very reliable honest and hard working guarantee all work clean and tidy first class work
From £6,194
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,546
N J Laity & Son & Grandson's are here to help customers who need an Extension Builder in BS23. We offer a competitive rate to complete all your ext...
From £6,090
MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in BS23. We offer a competitive rate to complete all your exte...
From £5,978
Neil Causon & Son is an established and experienced local extension builder in BS23. Please contact us for a free, no obligation quote and competit...
From £6,074
Need an Extension Builder in BS23? Mucha Construcion has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £5,298
Need to find an Extension Builder near you for all your extension buildering work?
P K BUILDING provides a local, trusted extension builder...
From £6,170
Relax... you have found a reliable extension builder in BS23. RD Pope Construction is a friendly and reliable company based in BS23 who consider no...
From £6,018
Trusted and professional extension builder in BS23. Experienced in all extension buildering work and keeping within budget and on quote. Jeremy Bly...

Concrete foundations range from the £5,298 (P K BUILDING based in TA8) to £6,546 (N J Laity & Son & Grandson's based in BS10) in BS23.
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 BS23 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 Weston-super-Mare | £33 | £253 |
| Concrete Foundations near Clevedon | £32 | £243 |
| Concrete Foundations near North Somerset | £32 | £245 |
| Concrete Foundations near Penarth | £35 | £218 |
| Concrete Foundations near Cardiff | £34 | £219 |
| Concrete Foundations near Portishead | £33 | £247 |
| Concrete Foundations near Bridgwater | £30 | £236 |
| Concrete Foundations near Barry | £33 | £218 |
| Concrete Foundations near Newport | £41 | £233 |
| Concrete Foundations near Clifton | £33 | £255 |
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 - £17,245

Two storey extension - £87,617

Build a timber frame extension - £25,745

Build a swimming pool - £80,745

Single storey extension - £49,896

Side return extension - £38,629

Install an RSJ - £1,945

Outbuilding - £9,745

Build a Mansard loft conversion - £51,745

Loft conversion - £31,358

Build a kitchen extension - £41,745

Hip to gable loft conversion - £41,745

Granny annexe - £86,745

Garden office - £9,745

Convert a Garage - £15,745

Garage - £18,245

Build a flat roof extension - £21,745

Build a dormer loft conversion - £41,745

Concrete foundations - £5,995

Convert a bungalow loft - £28,745

Convert a basement - £34,629