From £17,068
We are a family business providing a one stop shop to meet all your building and renervation needs
From £17,860
Experienced extension builder ready to quote for your work. Empire Profits Online is the best extension builder in IP27. No obligation free quotes ...
From £17,532
Need to find an Extension Builder near you for all your extension buildering work?
MICKS BUILDING SERVICES provides a local, trusted extens...
From £17,348
Need to find an Extension Builder near you for all your extension buildering work?
John Jarvis Builders provides a local, trusted extension...
From £17,756
With more than 20 years’ experience in the trade the landscape gardeners at Builderly Ltd provide outstanding landscaping servic...
From £17,532
LITTLEPORT TIMBER BUILDINGS are here to help customers who need an Extension Builder in IP27. We offer a competitive rate to complete all your exte...
From £16,964
Need to find an Extension Builder near you for all your extension buildering work?
Renovation Concepts Ltd provides a local, trusted extens...
From £17,796
Relax... you have found a reliable extension builder in IP27. Foreman + Hill is a friendly and reliable company based in IP27 who consider no job a...

Underpinning ranges from £16,964 (Renovation Concepts Ltd based in IP22) to £17,860 (Empire Profits Online based in IP28), 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 IP27 by posting a job with HaMuch and we will send it to extension builders in IP27.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Thetford | £28 | £224 |
| Underpin A Building near Ely | £33 | £228 |
| Underpin A Building near Bury St Edmunds | £29 | £215 |
| Underpin A Building near Breckland | £24 | £220 |
| Underpin A Building near Dereham | £23 | £187 |
| Underpin A Building near King's Lynn | £28 | £214 |
| Underpin A Building near Stowmarket | £28 | £201 |
| Underpin A Building near Haverhill | £32 | £228 |
| Underpin A Building near Cambridge | £33 | £234 |
| Underpin A Building near Kings Lynn & West Norfolk | £27 | £208 |
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 - £17,482

Two storey extension - £87,972

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,632

Side return extension - £41,293

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,578

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,293