Trusted and professional extension builder in PE7. Experienced in all extension buildering work and keeping within budget and on quote. RBAM Constr...
DAR CONSTRUCTION are here to help customers who need an Extension Builder in PE7. We offer a competitive rate to complete all your extension builde...
Tallon Marshall
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,468
Nick Augur
Experienced extension builder ready to quote for your work. Archway Construction (UK) Limited is the best extension builder in PE7. No obligation f...
From £17,276
GVT is an established extension buildering business in PE7. We come highly recommended and provide competitive quotes for your work.

Underpinning ranges from £17,276 (GVT based in PE1) to £17,660 (DAR CONSTRUCTION based in PE2), 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 PE7 by posting a job with HaMuch and we will send it to extension builders in PE7.
"Underpinning around 160linear meters 400mm wide x 350mm deep" - PE2, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Peterborough | £40 | £281 |
| Underpin A Building near Huntingdonshire | £36 | £290 |
| Underpin A Building near Huntingdon | £38 | £284 |
| Underpin A Building near Stamford | £35 | £248 |
| Underpin A Building near Wisbech | £34 | £255 |
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near St Neots | £51 | £318 |
| Underpin A Building near Corby | £30 | £214 |
| Underpin A Building near Kettering | £34 | £237 |
| Underpin A Building near Rushden | £34 | £231 |
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 - £17,465

Two storey extension - £87,947

Build a timber frame extension - £25,965

Build a swimming pool - £80,965

Single storey extension - £54,296

Side return extension - £41,104

Install an RSJ - £2,165

Outbuilding - £9,965

Build a Mansard loft conversion - £51,965

Loft conversion - £33,420

Build a kitchen extension - £41,965

Hip to gable loft conversion - £41,965

Granny annexe - £86,965

Garden office - £9,965

Convert a Garage - £15,965

Garage - £18,465

Build a flat roof extension - £21,965

Build a dormer loft conversion - £41,965

Concrete foundations - £6,215

Convert a bungalow loft - £28,965

Convert a basement - £37,104