Gareth Higgins
Been in the building trade for over 30years .have in that time worked all over the country on many different projects.
Have city &...
Mariusz Mika
MBuilding are here to help customers who need an Extension Builder in Chichester. We offer a competitive rate to complete all your extension builde...
Chichester, PO19
Whites Carpentry & Building prides in delivering an excellent extension buildering service and value for money in Chichester and the surrounding ar...
Futureways Design and Build are here to help customers who need an Extension Builder in Chichester. We offer a competitive rate to complete all you...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
K A Griffin General Builder is an established extension buildering business in Chichester. We come highly recommended and provide competitive quote...
Trusted and professional extension builder in Chichester. Experienced in all extension buildering work and keeping within budget and on quote. Paul...
Need to find an Extension Builder near you for all your extension buildering work?
Knights Construction provides a local, trusted extension...
Need to find an Extension Builder near you for all your extension buildering work?
FMB CONSTRUCTION LTD provides a local, trusted extension...

Underpinning ranges from £17,228 (Optimum Building Solutions Ltd based in PO21) to £17,628 (Regent Property Holdings Ltd based in PO21), 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 Chichester by posting a job with HaMuch and we will send it to extension builders in Chichester.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chichester | £34 | £242 |
| Underpin A Building near Bognor Regis | £35 | £247 |
| Underpin A Building near Arun | £35 | £241 |
| Underpin A Building near Havant & Waterloo | £35 | £248 |
| Underpin A Building near Havant | £35 | £249 |
| Underpin A Building near Littlehampton | £35 | £244 |
| Underpin A Building near Horndean | £36 | £254 |
| Underpin A Building near Waterlooville | £36 | £250 |
| Underpin A Building near Rustington | £36 | £246 |
| Underpin A Building near Portsmouth | £36 | £250 |
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 - £17,422

Two storey extension - £87,884

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,448

Side return extension - £40,627

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,023

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,627