From £17,484
A new extension provides many different solutions to age old problems. The list of how an extension can transform your property is long and varied....
From £17,620
Patching, BN13
Experienced extension builder ready to quote for your work. SOUTHWAYS CONSTRUCTION is the best extension builder in Patching. No obligation free qu...
From £17,940
Need to find an Extension Builder near you for all your extension buildering work?
Main Construction provides a local, trusted extension bu...
From £17,652
Alexander Kitchens are here to help customers who need an Extension Builder in Patching. We offer a competitive rate to complete all your extension...
From £17,660
Need to find an Extension Builder near you for all your extension buildering work?
Boss Building Contractors Ltd provides a local, trusted ...
From £17,612
MamCon is a trusted extension builder serving customers in Patching and the surrounding area. Contact us to today to get a competitive quote for ex...
From £17,300
Trusted and professional extension builder in Patching. Experienced in all extension buildering work and keeping within budget and on quote. Nutshe...
From £17,380
Trusted and professional extension builder in Patching. Experienced in all extension buildering work and keeping within budget and on quote. Stretc...
From £17,700
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,436
ACF Carpentry Ltd is an established and experienced local extension builder in Patching. Please contact us for a free, no obligation quote and comp...

Underpinning ranges from £17,300 (Nutshell Construction based in BN14) to £17,940 (Main Construction based in BN12), 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 Patching by posting a job with HaMuch and we will send it to extension builders in Patching.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Worthing | £35 | £251 |
| Underpin A Building near Lancing | £37 | £251 |
| Underpin A Building near Rustington | £36 | £246 |
| Underpin A Building near Littlehampton | £35 | £244 |
| Underpin A Building near Shoreham-by-Sea | £36 | £250 |
| Underpin A Building near Arun | £35 | £241 |
| Underpin A Building near Brighton | £35 | £251 |
| Underpin A Building near Bognor Regis | £35 | £247 |
| Underpin A Building near Brighton and Hove | £35 | £251 |
| Underpin A Building near Burgess Hill | £36 | £240 |
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 - £17,578

Two storey extension - £88,118

Build a timber frame extension - £26,078

Build a swimming pool - £81,078

Single storey extension - £56,568

Side return extension - £42,382

Install an RSJ - £2,278

Outbuilding - £10,078

Build a Mansard loft conversion - £52,078

Loft conversion - £34,485

Build a kitchen extension - £42,078

Hip to gable loft conversion - £42,078

Granny annexe - £87,078

Garden office - £10,078

Convert a Garage - £16,078

Garage - £18,578

Build a flat roof extension - £22,078

Build a dormer loft conversion - £42,078

Concrete foundations - £6,328

Convert a bungalow loft - £29,078

Convert a basement - £38,382