From £17,516
Trusted and professional extension builder in March. Experienced in all extension buildering work and keeping within budget and on quote. PAUL BARR...
From £17,372
Oakenshield Construction Ltd is an established and experienced local extension builder in March. Please contact us for a free, no obligation quote ...
From £17,580
Need an Extension Builder in March? AVALON CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

Underpinning ranges from £17,372 (Oakenshield Construction Ltd based in PE14) to £17,580 (AVALON CONSTRUCTION based in PE14), 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 March by posting a job with HaMuch and we will send it to extension builders in March.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wisbech | £34 | £255 |
| Underpin A Building near Peterborough | £40 | £281 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Huntingdonshire | £36 | £290 |
| Underpin A Building near Huntingdon | £38 | £284 |
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near King's Lynn | £33 | £254 |
| Underpin A Building near Cambridge | £41 | £275 |
| Underpin A Building near Kings Lynn & West Norfolk | £31 | £238 |
| Underpin A Building near St Neots | £51 | £318 |
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 - £17,489

Two storey extension - £87,984

Build a timber frame extension - £25,989

Build a swimming pool - £80,989

Single storey extension - £54,787

Side return extension - £41,380

Install an RSJ - £2,189

Outbuilding - £9,989

Build a Mansard loft conversion - £51,989

Loft conversion - £33,650

Build a kitchen extension - £41,989

Hip to gable loft conversion - £41,989

Granny annexe - £86,989

Garden office - £9,989

Convert a Garage - £15,989

Garage - £18,489

Build a flat roof extension - £21,989

Build a dormer loft conversion - £41,989

Concrete foundations - £6,239

Convert a bungalow loft - £28,989

Convert a basement - £37,380