Mariusz Mika
MBuilding are here to help customers who need an Extension Builder in Littlehampton. We offer a competitive rate to complete all your extension bui...
Futureways Design and Build are here to help customers who need an Extension Builder in Littlehampton. We offer a competitive rate to complete all ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in Littlehampton. Experienced in all extension buildering work and keeping within budget and on quote. S...
Need to find an Extension Builder near you for all your extension buildering work?
Knights Construction provides a local, trusted extension...
Trusted and professional extension builder in Littlehampton. Experienced in all extension buildering work and keeping within budget and on quote. P...
Need to find an Extension Builder near you for all your extension buildering work?
FMB CONSTRUCTION LTD provides a local, trusted extension...
M Wesley General Builder & Property Maintenance is a trusted extension builder serving customers in Littlehampton and the surrounding area. Contact...
Littlehampton, BN17
Experienced extension builder ready to quote for your work. C C OLEARY CONSTRUCTION is the best extension builder in Littlehampton. No obligation f...

Underpinning ranges from £17,228 (Optimum Building Solutions Ltd based in PO21) to £17,700 (Alan Pacy Builder 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 Littlehampton by posting a job with HaMuch and we will send it to extension builders in Littlehampton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Littlehampton | £35 | £244 |
| Underpin A Building near Rustington | £36 | £246 |
| Underpin A Building near Arun | £35 | £241 |
| Underpin A Building near Bognor Regis | £35 | £247 |
| Underpin A Building near Worthing | £35 | £251 |
| Underpin A Building near Lancing | £37 | £251 |
| Underpin A Building near Chichester | £34 | £242 |
| Underpin A Building near Shoreham-by-Sea | £36 | £250 |
| Underpin A Building near Brighton | £35 | £251 |
| Underpin A Building near Brighton and Hove | £35 | £251 |
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 - £17,423

Two storey extension - £87,885

Build a timber frame extension - £25,923

Build a swimming pool - £80,923

Single storey extension - £53,464

Side return extension - £40,636

Install an RSJ - £2,123

Outbuilding - £9,923

Build a Mansard loft conversion - £51,923

Loft conversion - £33,030

Build a kitchen extension - £41,923

Hip to gable loft conversion - £41,923

Granny annexe - £86,923

Garden office - £9,923

Convert a Garage - £15,923

Garage - £18,423

Build a flat roof extension - £21,923

Build a dormer loft conversion - £41,923

Concrete foundations - £6,173

Convert a bungalow loft - £28,923

Convert a basement - £36,636