Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,252 (Eden Homes Design based in Ln7) to £17,252 (Eden Homes Design based in Ln7), 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 Bigby by posting a job with HaMuch and we will send it to extension builders in Bigby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near North Lincolnshire | £28 | £216 |
| Underpin A Building near Scunthorpe | £26 | £207 |
| Underpin A Building near North East Lincolnshire | £32 | £246 |
| Underpin A Building near Grimsby | £32 | £246 |
| Underpin A Building near Hull | £29 | £223 |
| Underpin A Building near Willerby | £29 | £221 |
| Underpin A Building near Cleethorpes | £32 | £246 |
| Underpin A Building near Gainsborough | £30 | £234 |
| Underpin A Building near East Riding | £29 | £223 |
| Underpin A Building near Beverley | £29 | £223 |
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 - £17,252

Two storey extension - £87,628

Build a timber frame extension - £25,752

Build a swimming pool - £80,752

Single storey extension - £50,040

Side return extension - £38,710

Install an RSJ - £1,952

Outbuilding - £9,752

Build a Mansard loft conversion - £51,752

Loft conversion - £31,425

Build a kitchen extension - £41,752

Hip to gable loft conversion - £41,752

Granny annexe - £86,752

Garden office - £9,752

Convert a Garage - £15,752

Garage - £18,252

Build a flat roof extension - £21,752

Build a dormer loft conversion - £41,752

Concrete foundations - £6,002

Convert a bungalow loft - £28,752

Convert a basement - £34,710