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Underpinning ranges from £0 ( based in 0) to £0 ( based in 0), 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 IP31 by posting a job with HaMuch and we will send it to extension builders in IP31.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bury St Edmunds | £34 | £251 |
| Underpin A Building near Thetford | £42 | £277 |
| Underpin A Building near Stowmarket | £30 | £221 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Ipswich | £33 | £235 |
| Underpin A Building near Haverhill | £37 | £260 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Suffolk Coastal | £28 | £215 |
| Underpin A Building near Dereham | £25 | £203 |
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 - £15,500

Two storey extension - £85,000

Build a timber frame extension - £24,000

Build a swimming pool - £79,000

Single storey extension - £15,000

Side return extension - £19,000

Install an RSJ - £200

Outbuilding - £8,000

Build a Mansard loft conversion - £50,000

Loft conversion - £15,000

Build a kitchen extension - £40,000

Hip to gable loft conversion - £40,000

Granny annexe - £85,000

Garden office - £8,000

Convert a Garage - £14,000

Garage - £16,500

Build a flat roof extension - £20,000

Build a dormer loft conversion - £40,000

Concrete foundations - £4,250

Convert a bungalow loft - £27,000

Convert a basement - £15,000