From £17,620
Poole, BH15
Your Home Construction is an established and experienced local extension builder in Poole. Please contact us for a free, no obligation quote and co...
From £16,700
Poole, BH15
MARLEY TRained roofer, reliable ,flat roofs , slating and tiling,fascias and gutters. All repairs, no job too small
From £17,788
Experienced extension builder ready to quote for your work. Portus Homes is the best extension builder in Poole. No obligation free quotes and many...
From £17,620
Ground Up Building Services Ltd is a trusted extension builder serving customers in Poole and the surrounding area. Contact us to today to get a co...
From £17,460
Relax... you have found a reliable extension builder in Poole. William Bowley Projects is a friendly and reliable company based in Poole who consid...
From £18,084
Poole, BH14
Need an Extension Builder in Poole? RNTP ltd has been helping local clients (20 mile radius) with their extension buildering jobs for many years. G...
From £17,724
Poole, BH15
Trusted and professional extension builder in Poole. Experienced in all extension buildering work and keeping within budget and on quote. WR WARREN...
From £17,596
Poole, BH15
Experienced extension builder ready to quote for your work. D L FOOTE BUILDING SERVICES is the best extension builder in Poole. No obligation free ...
From £17,564
Poole, BH15
Need an Extension Builder in Poole? D&B Build has been helping local clients (20 mile radius) with their extension buildering jobs for many years. ...
From £17,508
Poole, BH15
DJ HALE BUILDING CONTRACTORS is a trusted extension builder serving customers in Poole and the surrounding area. Contact us to today to get a compe...

Underpinning ranges from £16,700 (GMD Roofing based in BH15) to £18,084 (RNTP ltd based in BH14), 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 Poole by posting a job with HaMuch and we will send it to extension builders in Poole.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Poole | £38 | £250 |
| Underpin A Building near Bournemouth | £38 | £257 |
| Underpin A Building near Christchurch | £36 | £251 |
| Underpin A Building near New Forest | £32 | £245 |
| Underpin A Building near Dorchester | £30 | £230 |
| Underpin A Building near Weymouth | £33 | £260 |
| Underpin A Building near Totton | £34 | £243 |
| Underpin A Building near Salisbury | £35 | £247 |
| Underpin A Building near Romsey | £32 | £230 |
| Underpin A Building near Southampton | £34 | £243 |
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 - £17,566

Two storey extension - £88,100

Build a timber frame extension - £26,066

Build a swimming pool - £81,066

Single storey extension - £56,328

Side return extension - £42,247

Install an RSJ - £2,266

Outbuilding - £10,066

Build a Mansard loft conversion - £52,066

Loft conversion - £34,373

Build a kitchen extension - £42,066

Hip to gable loft conversion - £42,066

Granny annexe - £87,066

Garden office - £10,066

Convert a Garage - £16,066

Garage - £18,566

Build a flat roof extension - £22,066

Build a dormer loft conversion - £42,066

Concrete foundations - £6,316

Convert a bungalow loft - £29,066

Convert a basement - £38,247