Need an Extension Builder in SG18? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs f...
TCL BUILDING SOLUTIONS LTD are here to help customers who need an Extension Builder in SG18. We offer a competitive rate to complete all your exten...
From £6,418
Relax... you have found a reliable extension builder in SG18. Imogen Jack is a friendly and reliable company based in SG18 who consider no job as t...
From £6,386
Trusted and professional extension builder in SG18. Experienced in all extension buildering work and keeping within budget and on quote. J. WATSON ...

Concrete foundations range from the £6,098 (R&J Building Services Ltd based in SG17) to £6,442 (TCL BUILDING SOLUTIONS LTD based in SG18) in SG18.
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 SG18 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 Biggleswade | £41 | £268 |
| Concrete Foundations near Letchworth | £44 | £283 |
| Concrete Foundations near North Hertfordshire | £44 | £283 |
| Concrete Foundations near Kempston | £44 | £273 |
| Concrete Foundations near Bedford | £45 | £278 |
| Concrete Foundations near South Bedfordshire | £45 | £278 |
| Concrete Foundations near Mid Bedfordshire | £42 | £276 |
| Concrete Foundations near Ampthill | £38 | £258 |
| Concrete Foundations near St Neots | £51 | £318 |
| Concrete Foundations near Hitchin | £43 | £283 |
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 - £17,586

Two storey extension - £88,129

Build a timber frame extension - £26,086

Build a swimming pool - £81,086

Single storey extension - £56,720

Side return extension - £42,468

Install an RSJ - £2,286

Outbuilding - £10,086

Build a Mansard loft conversion - £52,086

Loft conversion - £34,556

Build a kitchen extension - £42,086

Hip to gable loft conversion - £42,086

Granny annexe - £87,086

Garden office - £10,086

Convert a Garage - £16,086

Garage - £18,586

Build a flat roof extension - £22,086

Build a dormer loft conversion - £42,086

Concrete foundations - £6,336

Convert a bungalow loft - £29,086

Convert a basement - £38,468