We send your job to ALL PO37 extension builders
Available extension builders in PO37 reply
Select an affordable extension builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,668
MJP Building Services are here to help customers who need an Extension Builder in PO37. We offer a competitive rate to complete all your extension ...
From £17,332
Diamond Wight Building is an established and experienced local extension builder in PO37. Please contact us for a free, no obligation quote and com...
From £17,500
With an interest in architecture and interior design I’ve always enjoyed being creative with RAW materials and building something different.Havin...

Underpinning ranges from £16,844 (G A Headlam based in PO38) to £17,668 (MJP Building Services based in PO38), 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 PO37 by posting a job with HaMuch and we will send it to extension builders in PO37.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Ryde | £34 | £255 |
| Underpin A Building near Isle of Wight | £34 | £246 |
| Underpin A Building near Gosport | £35 | £246 |
| Underpin A Building near Lee-on-the-Solent | £35 | £249 |
| Underpin A Building near Portsmouth | £36 | £250 |
| Underpin A Building near Fareham | £35 | £250 |
| Underpin A Building near Locks Heath | £33 | £240 |
| Underpin A Building near Havant & Waterloo | £35 | £248 |
| Underpin A Building near Havant | £35 | £249 |
| Underpin A Building near Waterlooville | £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 - £17,319

Two storey extension - £87,728

Build a timber frame extension - £25,819

Build a swimming pool - £80,819

Single storey extension - £51,373

Side return extension - £39,460

Install an RSJ - £2,019

Outbuilding - £9,819

Build a Mansard loft conversion - £51,819

Loft conversion - £32,050

Build a kitchen extension - £41,819

Hip to gable loft conversion - £41,819

Granny annexe - £86,819

Garden office - £9,819

Convert a Garage - £15,819

Garage - £18,319

Build a flat roof extension - £21,819

Build a dormer loft conversion - £41,819

Concrete foundations - £6,069

Convert a bungalow loft - £28,819

Convert a basement - £35,460