From £17,436
Cranwells Construction is a trusted extension builder serving customers in Guestling and the surrounding area. Contact us to today to get a competi...
From £17,596
Need to find an Extension Builder near you for all your extension buildering work?
The Sussex Bookcase Company provides a local, trusted ex...
From £17,244
Relax... you have found a reliable extension builder in Guestling. Ljo Brickwork, Landscapes and General Building is a friendly and reliable compan...
From £17,260
Need to find an Extension Builder near you for all your extension buildering work?
S F CONSTRUCTION provides a local, trusted extension bu...
From £19,996
All my work is top class and I've taken pride in everything I do I will come and hire me
From £17,228
Need to find an Extension Builder near you for all your extension buildering work?
HARBOUR BUILDING SERVICES LTD provides a local, trusted ...
From £17,532
Need to find an Extension Builder near you for all your extension buildering work?
Gem Construction (Sussex) Ltd provides a local, trusted ...
From £17,372
Ansell Builders is a trusted extension builder serving customers in Guestling and the surrounding area. Contact us to today to get a competitive qu...
From £17,420
Technique Roofing and Maintenance are here to help customers who need an Extension Builder in Guestling. We offer a competitive rate to complete al...
From £17,236
CROWHURST BUILDERS LIMITED is an established extension buildering business in Guestling. We come highly recommended and provide competitive quotes ...

Underpinning ranges from £17,228 (HARBOUR BUILDING SERVICES LTD based in BN23) to £19,996 (Transform Builders based in TN12), 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 Guestling by posting a job with HaMuch and we will send it to extension builders in Guestling.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Hastings | £31 | £246 |
| Underpin A Building near Bexhill-on-Sea | £31 | £243 |
| Underpin A Building near Hailsham | £31 | £243 |
| Underpin A Building near Eastbourne | £32 | £245 |
| Underpin A Building near Wealden | £35 | £256 |
| Underpin A Building near Ashford | £36 | £256 |
| Underpin A Building near Crowborough | £36 | £258 |
| Underpin A Building near Tunbridge Wells | £37 | £258 |
| Underpin A Building near Seaford | £34 | £243 |
| 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 - £17,632

Two storey extension - £88,198

Build a timber frame extension - £26,132

Build a swimming pool - £81,132

Single storey extension - £57,640

Side return extension - £42,985

Install an RSJ - £2,332

Outbuilding - £10,132

Build a Mansard loft conversion - £52,132

Loft conversion - £34,988

Build a kitchen extension - £42,132

Hip to gable loft conversion - £42,132

Granny annexe - £87,132

Garden office - £10,132

Convert a Garage - £16,132

Garage - £18,632

Build a flat roof extension - £22,132

Build a dormer loft conversion - £42,132

Concrete foundations - £6,382

Convert a bungalow loft - £29,132

Convert a basement - £38,985