From £17,428
S1 Builders Norfolk is an established and experienced local extension builder in PE34. Please contact us for a free, no obligation quote and compet...
From £17,028
Relax... you have found a reliable extension builder in PE34. B & K BUILDING SERVICES is a friendly and reliable company based in PE34 who consider...
From £17,460
Trusted and professional extension builder in PE34. Experienced in all extension buildering work and keeping within budget and on quote. ANDREW RUS...
From £17,220
Trusted and professional extension builder in PE34. Experienced in all extension buildering work and keeping within budget and on quote. WEST NORFO...
From £17,212
Grey's Construction & Civil Engineering is an established extension buildering business in PE34. We come highly recommended and provide competitive...
From £17,180
NB CONSTRUCTION (UK) LIMITED is an established and experienced local extension builder in PE34. Please contact us for a free, no obligation quote a...
From £17,420
Relax... you have found a reliable extension builder in PE34. Irvines is a friendly and reliable company based in PE34 who consider no job as too b...
From £17,388
Relax... you have found a reliable extension builder in PE34. C P WELLS BUILDER is a friendly and reliable company based in PE34 who consider no jo...
From £17,996
Need an Extension Builder in PE34? Nu-build Norfolk Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £17,364
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,028 (B & K BUILDING SERVICES based in PE30) to £17,996 (Nu-build Norfolk Ltd based in PE34), 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 PE34 by posting a job with HaMuch and we will send it to extension builders in PE34.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near King's Lynn | £33 | £254 |
| Underpin A Building near Kings Lynn & West Norfolk | £31 | £238 |
| Underpin A Building near Wisbech | £34 | £255 |
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near Boston | £28 | £262 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Dereham | £25 | £203 |
| Underpin A Building near Peterborough | £40 | £281 |
| Underpin A Building near Thetford | £42 | £277 |
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 - £17,370

Two storey extension - £87,804

Build a timber frame extension - £25,870

Build a swimming pool - £80,870

Single storey extension - £52,392

Side return extension - £40,033

Install an RSJ - £2,070

Outbuilding - £9,870

Build a Mansard loft conversion - £51,870

Loft conversion - £32,528

Build a kitchen extension - £41,870

Hip to gable loft conversion - £41,870

Granny annexe - £86,870

Garden office - £9,870

Convert a Garage - £15,870

Garage - £18,370

Build a flat roof extension - £21,870

Build a dormer loft conversion - £41,870

Concrete foundations - £6,120

Convert a bungalow loft - £28,870

Convert a basement - £36,033