From £17,604
Relax... you have found a reliable extension builder in Suffolk. Pinnacle Construction is a friendly and reliable company based in Suffolk who cons...
From £17,340
Need to find an Extension Builder near you for all your extension buildering work?
D Mason Developments Ltd provides a local, trusted exten...
From £17,308
BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Suffolk and the surrounding area. Contact us to today to get a competiti...
From £17,364
Need an Extension Builder in Suffolk? K T GRIDLEY GENERAL BUILDER has been helping local clients (20 mile radius) with their extension buildering j...
From £17,380
Need an Extension Builder in Suffolk? Mc2 Building Services has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £17,468
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,668
Experienced extension builder ready to quote for your work. J&G HARDING BUILDING SERVICES is the best extension builder in Suffolk. No obligation f...
From £17,716
Need an Extension Builder in Suffolk? DELTA BUILD LIMITED has been helping local clients (20 mile radius) with their extension buildering jobs for ...
From £17,492
Trusted and professional extension builder in Suffolk. Experienced in all extension buildering work and keeping within budget and on quote. Doug Mi...
From £17,844
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Underpinning ranges from £17,308 (BOWIE CONSTRUCTION LTD based in CB21) to £17,844 (EXP Property Maintenance based in CB22), 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 Suffolk by posting a job with HaMuch and we will send it to extension builders in Suffolk.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Haverhill | £37 | £260 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Braintree | £37 | £247 |
| Underpin A Building near Cambridge | £38 | £271 |
| Underpin A Building near Bury St Edmunds | £34 | £251 |
| Underpin A Building near South Cambridgeshire | £43 | £305 |
| Underpin A Building near Bishop's Stortford | £42 | £264 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Witham | £36 | £240 |
| Underpin A Building near Colchester | £33 | £230 |
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 - £17,518

Two storey extension - £88,028

Build a timber frame extension - £26,018

Build a swimming pool - £81,018

Single storey extension - £55,368

Side return extension - £41,707

Install an RSJ - £2,218

Outbuilding - £10,018

Build a Mansard loft conversion - £52,018

Loft conversion - £33,923

Build a kitchen extension - £42,018

Hip to gable loft conversion - £42,018

Granny annexe - £87,018

Garden office - £10,018

Convert a Garage - £16,018

Garage - £18,518

Build a flat roof extension - £22,018

Build a dormer loft conversion - £42,018

Concrete foundations - £6,268

Convert a bungalow loft - £29,018

Convert a basement - £37,707