From £17,580
Need an Extension Builder in PE14? AVALON CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £17,380
PROCTOR CONSTRUCTION LTD is an established extension buildering business in PE14. We come highly recommended and provide competitive quotes for you...
From £17,492
R&Z Group Ltd is a trusted extension builder serving customers in PE14 and the surrounding area. Contact us to today to get a competitive quote for...
From £17,540
Need to find an Extension Builder near you for all your extension buildering work?
ADK Builders & Plumbers provides a local, trusted extens...
From £17,372
Oakenshield Construction Ltd is an established and experienced local extension builder in PE14. Please contact us for a free, no obligation quote a...
From £17,420
Relax... you have found a reliable extension builder in PE14. Irvines is a friendly and reliable company based in PE14 who consider no job as too b...
From £17,244
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,460
Trusted and professional extension builder in PE14. Experienced in all extension buildering work and keeping within budget and on quote. ANDREW RUS...
From £17,180
NB CONSTRUCTION (UK) LIMITED is an established and experienced local extension builder in PE14. Please contact us for a free, no obligation quote a...
From £17,996
Need an Extension Builder in PE14? Nu-build Norfolk Ltd has been helping local clients (20 mile radius) with their extension buildering jobs for ma...

Underpinning ranges from £17,180 (NB CONSTRUCTION (UK) LIMITED based in PE34) 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 PE14 by posting a job with HaMuch and we will send it to extension builders in PE14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Wisbech | £34 | £255 |
| Underpin A Building near King's Lynn | £33 | £254 |
| Underpin A Building near Kings Lynn & West Norfolk | £31 | £238 |
| Underpin A Building near Spalding | £32 | £238 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Peterborough | £42 | £280 |
| Underpin A Building near Huntingdonshire | £36 | £290 |
| Underpin A Building near Boston | £28 | £262 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Huntingdon | £38 | £284 |
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 - £17,466

Two storey extension - £87,950

Build a timber frame extension - £25,966

Build a swimming pool - £80,966

Single storey extension - £54,328

Side return extension - £41,122

Install an RSJ - £2,166

Outbuilding - £9,966

Build a Mansard loft conversion - £51,966

Loft conversion - £33,435

Build a kitchen extension - £41,966

Hip to gable loft conversion - £41,966

Granny annexe - £86,966

Garden office - £9,966

Convert a Garage - £15,966

Garage - £18,466

Build a flat roof extension - £21,966

Build a dormer loft conversion - £41,966

Concrete foundations - £6,216

Convert a bungalow loft - £28,966

Convert a basement - £37,122