Trusted and professional extension builder in SG8. Experienced in all extension buildering work and keeping within budget and on quote. Rescapes Co...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,804
Relax... you have found a reliable extension builder in SG8. Refresh Renovations - Cambridgeshire - Simon is a friendly and reliable company based ...

Underpinning ranges from £17,572 (ECO DESIGN & BUILD (UK) LTD based in SG8) to £17,964 (Rescapes Construction Ltd based in SG8), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in SG8 by posting a job with HaMuch and we will send it to extension builders in SG8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near South Cambridgeshire | £50 | £315 |
| Underpin A Building near Letchworth | £44 | £283 |
| Underpin A Building near Biggleswade | £41 | £268 |
| Underpin A Building near North Hertfordshire | £44 | £283 |
| Underpin A Building near Cambridge | £41 | £275 |
| Underpin A Building near East Hertfordshire | £44 | £289 |
| Underpin A Building near Stevenage | £44 | £282 |
| Underpin A Building near Hitchin | £43 | £283 |
| Underpin A Building near St Neots | £51 | £318 |
| Underpin A Building near Bishop's Stortford | £42 | £264 |
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 - £17,780

Two storey extension - £88,420

Build a timber frame extension - £26,280

Build a swimming pool - £81,280

Single storey extension - £60,600

Side return extension - £44,650

Install an RSJ - £2,480

Outbuilding - £10,280

Build a Mansard loft conversion - £52,280

Loft conversion - £36,375

Build a kitchen extension - £42,280

Hip to gable loft conversion - £42,280

Granny annexe - £87,280

Garden office - £10,280

Convert a Garage - £16,280

Garage - £18,780

Build a flat roof extension - £22,280

Build a dormer loft conversion - £42,280

Concrete foundations - £6,530

Convert a bungalow loft - £29,280

Convert a basement - £40,650