From £17,436
Lancing, BN15
Adrian Harris Garden Design And Build are here to help customers who need an Extension Builder in Lancing. We offer a competitive rate to complete ...
From £17,652
Lancing, BN15
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,332
Lancing, BN15
G C Builders is an established and experienced local extension builder in Lancing. Please contact us for a free, no obligation quote and competitiv...
From £17,436
Lancing, BN15
ACF Carpentry Ltd is an established and experienced local extension builder in Lancing. Please contact us for a free, no obligation quote and compe...
From £17,612
Our building services company Pearl Building Ltd with over 25 years experience in the trade. During this time we have been helping customers in Lan...
From £17,316
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,300
Trusted and professional extension builder in Lancing. Experienced in all extension buildering work and keeping within budget and on quote. Nutshel...
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 £17,652
Alexander Kitchens are here to help customers who need an Extension Builder in Lancing. We offer a competitive rate to complete all your extension ...
From £17,612
MamCon is a trusted extension builder serving customers in Lancing and the surrounding area. Contact us to today to get a competitive quote for ext...

Underpinning ranges from £17,300 (Nutshell Construction based in BN14) to £17,660 (Boss Building Contractors Ltd based in BN14), 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 Lancing by posting a job with HaMuch and we will send it to extension builders in Lancing.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Lancing | £37 | £251 |
| Underpin A Building near Worthing | £35 | £251 |
| Underpin A Building near Shoreham-by-Sea | £36 | £250 |
| Underpin A Building near Rustington | £36 | £246 |
| Underpin A Building near Brighton | £35 | £251 |
| Underpin A Building near Brighton and Hove | £35 | £251 |
| Underpin A Building near Littlehampton | £35 | £244 |
| Underpin A Building near Arun | £35 | £241 |
| Underpin A Building near Burgess Hill | £36 | £240 |
| Underpin A Building near Haywards Heath | £35 | £256 |
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 - £17,501

Two storey extension - £88,001

Build a timber frame extension - £26,001

Build a swimming pool - £81,001

Single storey extension - £55,016

Side return extension - £41,509

Install an RSJ - £2,201

Outbuilding - £10,001

Build a Mansard loft conversion - £52,001

Loft conversion - £33,758

Build a kitchen extension - £42,001

Hip to gable loft conversion - £42,001

Granny annexe - £87,001

Garden office - £10,001

Convert a Garage - £16,001

Garage - £18,501

Build a flat roof extension - £22,001

Build a dormer loft conversion - £42,001

Concrete foundations - £6,251

Convert a bungalow loft - £29,001

Convert a basement - £37,509