From £17,356
Need to find an Extension Builder near you for all your extension buildering work?
BUILDERS OF SUSSEX LTD provides a local, trusted extensi...
From £17,316
Experienced extension builder ready to quote for your work. Razvan Building Services Ltd is the best extension builder in Hampden Park. No obligati...
From £17,188
Family run builders with high standards of workmanship and customer service, trading standards approved.
From £17,748
GREEN ROOM CONSTRUCTION is an established and experienced local extension builder in Hampden Park. Please contact us for a free, no obligation quot...
From £17,580
Livit Design&Build is a company serves people to renovate their bathrooms partially or from scratch. Livit Design&Build combines design and build t...
From £17,196
We Are RAM Construction are here to help customers who need an Extension Builder in Hampden Park. We offer a competitive rate to complete all your ...
From £18,284
With over 20 years experience covering a multiple of disciplines within the building Industry, we are best placed to give you the correct advice on...
From £17,652
Need to find an Extension Builder near you for all your extension buildering work?
Avant-Garde Construction Group Limited provides a local,...
From £17,740
Experienced extension builder ready to quote for your work. CG Renovations Ltd is the best extension builder in Hampden Park. No obligation free qu...
From £17,348
Our building services company Hinton & Moon Building Limited was only established in August 2022, but have been providing professional, trustworthy...

Underpinning ranges from £17,188 (Homecare Building Maintenance based in BN22) to £18,284 (Insite Sepecialists based in BN23), 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 Hampden Park by posting a job with HaMuch and we will send it to extension builders in Hampden Park.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Eastbourne | £32 | £245 |
| Underpin A Building near Hailsham | £31 | £243 |
| Underpin A Building near Seaford | £34 | £243 |
| Underpin A Building near Bexhill-on-Sea | £31 | £243 |
| Underpin A Building near Wealden | £35 | £256 |
| Underpin A Building near Hastings | £31 | £246 |
| Underpin A Building near Brighton and Hove | £35 | £251 |
| Underpin A Building near Brighton | £35 | £251 |
| Underpin A Building near Crowborough | £36 | £258 |
| 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 - £17,541

Two storey extension - £88,061

Build a timber frame extension - £26,041

Build a swimming pool - £81,041

Single storey extension - £55,816

Side return extension - £41,959

Install an RSJ - £2,241

Outbuilding - £10,041

Build a Mansard loft conversion - £52,041

Loft conversion - £34,133

Build a kitchen extension - £42,041

Hip to gable loft conversion - £42,041

Granny annexe - £87,041

Garden office - £10,041

Convert a Garage - £16,041

Garage - £18,541

Build a flat roof extension - £22,041

Build a dormer loft conversion - £42,041

Concrete foundations - £6,291

Convert a bungalow loft - £29,041

Convert a basement - £37,959