From £6,162
Experienced extension builder ready to quote for your work. G & J BUILDING MAINTENANCE is the best extension builder in BS35. No obligation free qu...
From £6,282
Trusted and professional extension builder in BS35. Experienced in all extension buildering work and keeping within budget and on quote. M A Church...
From £6,434
Need to find an Extension Builder near you for all your extension buildering work?
WILSONS BUILDERS CO LTD provides a local, trusted extens...
From £6,418
Need an Extension Builder in BS35? Alistair McKenzie has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £6,018
JAS Building Services is an established and experienced local extension builder in BS35. Please contact us for a free, no obligation quote and comp...
From £6,314
Dybowski Building Services are here to help customers who need an Extension Builder in BS35. We offer a competitive rate to complete all your exten...
From £6,242
Relax... you have found a reliable extension builder in BS35. Singh Residentials is a friendly and reliable company based in BS35 who consider no j...
From £6,154
Need to find an Extension Builder near you for all your extension buildering work?
M J LLEWLLYN BUILDING SERVICES provides a local, trusted...
From £6,346
Stag Design & Build is the ultimate package for your Extension, New Build, Renovations and all other aspects involving the construction industry, d...
From £6,378
BM Builders UK are here to help customers who need an Extension Builder in BS35. We offer a competitive rate to complete all your extension builder...

Concrete foundations range from the £6,018 (JAS Building Services based in BS34) to £6,434 (WILSONS BUILDERS CO LTD based in GL12) in BS35.
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 BS35 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 Bradley Stoke | £34 | £259 |
| Concrete Foundations near South Gloucestershire | £34 | £260 |
| Concrete Foundations near Yate | £34 | £263 |
| Concrete Foundations near Kingswood | £34 | £257 |
| Concrete Foundations near Bristol | £33 | £255 |
| Concrete Foundations near Clifton | £33 | £255 |
| Concrete Foundations near Portishead | £33 | £247 |
| Concrete Foundations near Keynsham | £33 | £251 |
| Concrete Foundations near Clevedon | £32 | £243 |
| Concrete Foundations near Chippenham | £34 | £258 |
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 - £17,525

Two storey extension - £88,037

Build a timber frame extension - £26,025

Build a swimming pool - £81,025

Single storey extension - £55,496

Side return extension - £41,779

Install an RSJ - £2,225

Outbuilding - £10,025

Build a Mansard loft conversion - £52,025

Loft conversion - £33,983

Build a kitchen extension - £42,025

Hip to gable loft conversion - £42,025

Granny annexe - £87,025

Garden office - £10,025

Convert a Garage - £16,025

Garage - £18,525

Build a flat roof extension - £22,025

Build a dormer loft conversion - £42,025

Concrete foundations - £6,275

Convert a bungalow loft - £29,025

Convert a basement - £37,779