From £17,756
We are a family business with over 30 years of knowledge and experience ranging from small domestic jobs to large projects which include renovation...
From £18,356
Welcome to Travelling Workshop LimitedIn our world of craftsmanship and dedication to you the customer. I'm Dmytro Kliuchnyk, and before the co...
From £17,604
Experienced extension builder ready to quote for your work. Brian McPhillips Limited is the best extension builder in Portobello. No obligation fre...
From £17,716
BLOCKBUILD DEVELOPMENTS LTD is an established and experienced local extension builder in Portobello. Please contact us for a free, no obligation qu...
From £17,436
Trusted and professional extension builder in Portobello. Experienced in all extension buildering work and keeping within budget and on quote. R G ...
From £17,812
Relax... you have found a reliable extension builder in Portobello. Good Foundations is a friendly and reliable company based in Portobello who con...
From £17,452
DW Builders is an established and experienced local extension builder in Portobello. Please contact us for a free, no obligation quote and competit...
From £17,492
Need to find an Extension Builder near you for all your extension buildering work?
BAIN BUILDING COMPANY provides a local, trusted extensio...
From £17,340
Relax... you have found a reliable extension builder in Portobello. Feenan Joinery is a friendly and reliable company based in Portobello who consi...

Underpinning ranges from £17,260 (JOHN DUGGAN BUILDER based in KY5) to £18,356 (Travelling Workshop Limited based in EH6), 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 Portobello by posting a job with HaMuch and we will send it to extension builders in Portobello.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Musselburgh | £36 | £262 |
| Underpin A Building near Edinburgh | £36 | £263 |
| Underpin A Building near Dalkeith | £35 | £256 |
| Underpin A Building near Bonnyrigg | £37 | £263 |
| Underpin A Building near Penicuik | £36 | £264 |
| Underpin A Building near Kirkcaldy | £42 | £296 |
| Underpin A Building near Haddington | £35 | £255 |
| Underpin A Building near Broxburn | £34 | £251 |
| Underpin A Building near Livingston | £35 | £256 |
| Underpin A Building near Dunfermline | £46 | £285 |
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 - £17,622

Two storey extension - £88,184

Build a timber frame extension - £26,122

Build a swimming pool - £81,122

Single storey extension - £57,448

Side return extension - £42,877

Install an RSJ - £2,322

Outbuilding - £10,122

Build a Mansard loft conversion - £52,122

Loft conversion - £34,898

Build a kitchen extension - £42,122

Hip to gable loft conversion - £42,122

Granny annexe - £87,122

Garden office - £10,122

Convert a Garage - £16,122

Garage - £18,622

Build a flat roof extension - £22,122

Build a dormer loft conversion - £42,122

Concrete foundations - £6,372

Convert a bungalow loft - £29,122

Convert a basement - £38,877