From £17,036
4D BUILDERS LTD are here to help customers who need an Extension Builder in CT14. We offer a competitive rate to complete all your e...

Underpinning ranges from £17,036 (4D BUILDERS LTD based in CT14) to £17,036 (4D BUILDERS LTD based in CT14), 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 CT14 by posting a job with HaMuch and we will send it to extension builders in CT14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Deal | £26 | £199 |
| Underpin A Building near Dover | £29 | £226 |
| Underpin A Building near Margate | £27 | £208 |
| Underpin A Building near Ramsgate | £27 | £208 |
| Underpin A Building near Thanet | £27 | £208 |
| Underpin A Building near Broadstairs | £27 | £208 |
| Underpin A Building near Folkestone | £31 | £233 |
| Underpin A Building near Canterbury | £31 | £232 |
| Underpin A Building near Herne Bay | £28 | £213 |
| Underpin A Building near Hythe | £31 | £228 |
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 - £17,036

Two storey extension - £87,304

Build a timber frame extension - £25,536

Build a swimming pool - £80,536

Single storey extension - £45,720

Side return extension - £36,280

Install an RSJ - £1,736

Outbuilding - £9,536

Build a Mansard loft conversion - £51,536

Loft conversion - £29,400

Build a kitchen extension - £41,536

Hip to gable loft conversion - £41,536

Granny annexe - £86,536

Garden office - £9,536

Convert a Garage - £15,536

Garage - £18,036

Build a flat roof extension - £21,536

Build a dormer loft conversion - £41,536

Concrete foundations - £5,786

Convert a bungalow loft - £28,536

Convert a basement - £32,280