From £17,124
Experienced extension builder ready to quote for your work. RANDALL BUILDERS LTD is the best extension builder in NG34. No obligation free quotes a...
From £17,092
Relax... you have found a reliable extension builder in NG34. NEWTEC CONSTRUCTION LTD is a friendly and reliable company based in NG34 who consider...
From £17,020
MOOR FARM BUILDING CO LIMITED is an established extension buildering business in NG34. We come highly recommended and provide competitive quotes fo...
From £17,148
Addison are here to help customers who need an Extension Builder in NG34. We offer a competitive rate to complete all your extension buildering job...
From £16,764
KIPS BUILDERS is a trusted extension builder serving customers in NG34 and the surrounding area. Contact us to today to get a competitive quote for...
From £17,068
BRIARWOOD BUILDING CONTRS LTD is an established extension buildering business in NG34. We come highly recommended and provide competitive quotes fo...
From £17,332
Our building services company DH Home Improvements was established in 2003. Since then we have been helping customers in Lincolnshire and the surro...
From £16,988
The Glass Box is a trusted extension builder serving customers in NG34 and the surrounding area. Contact us to today to get a competitive quote for...
From £16,772
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £16,764 (KIPS BUILDERS based in NG34) to £17,332 (DH Home Improvements based in NG34), 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 NG34 by posting a job with HaMuch and we will send it to extension builders in NG34.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Grantham | £33 | £197 |
| Underpin A Building near Boston | £24 | £220 |
| Underpin A Building near Spalding | £30 | £220 |
| Underpin A Building near Newark-on-Trent | £28 | £204 |
| Underpin A Building near Lincoln | £28 | £208 |
| Underpin A Building near Stamford | £29 | £206 |
| Underpin A Building near Melton Mowbray | £28 | £199 |
| Underpin A Building near Gedling | £28 | £205 |
| Underpin A Building near Carlton | £28 | £205 |
| Underpin A Building near Peterborough | £37 | £246 |
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 - £17,035

Two storey extension - £87,303

Build a timber frame extension - £25,535

Build a swimming pool - £80,535

Single storey extension - £45,704

Side return extension - £36,271

Install an RSJ - £1,735

Outbuilding - £9,535

Build a Mansard loft conversion - £51,535

Loft conversion - £29,393

Build a kitchen extension - £41,535

Hip to gable loft conversion - £41,535

Granny annexe - £86,535

Garden office - £9,535

Convert a Garage - £15,535

Garage - £18,035

Build a flat roof extension - £21,535

Build a dormer loft conversion - £41,535

Concrete foundations - £5,785

Convert a bungalow loft - £28,535

Convert a basement - £32,271