From £17,900
Helenski Group Ltd specialises in complete bathroom renovations, luxury tiling, kitchens and full property refurbishments. We have over 20 years of...
From £17,652
Relax... you have found a reliable extension builder in Mildenhall. CROWNBUILD is a friendly and reliable company based in Mildenhall who consider ...
From £17,772
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,588
Eric Handyman- builder is an established and experienced local extension builder in Mildenhall. Please contact us for a free, no obligation quote a...
From £17,068
We are a family business providing a one stop shop to meet all your building and renervation needs
From £17,572
Relax... you have found a reliable extension builder in Mildenhall. D Stebbings is a friendly and reliable company based in Mildenhall who consider...
From £17,724
Small extension, to full turn key new house builds, listed building works, renovations. We provide a full comprehensive quotation for all your need...
From £17,516
Need to find an Extension Builder near you for all your extension buildering work?
A Sindall Building provides a local, trusted extension b...
From £17,604
Relax... you have found a reliable extension builder in Mildenhall. Pinnacle Construction is a friendly and reliable company based in Mildenhall wh...
From £17,740
Relax... you have found a reliable extension builder in Mildenhall. Fantastic Finishing is a friendly and reliable company based in Mildenhall who ...

Underpinning ranges from £17,068 (Sean W Scott General Builder based in IP28) to £17,900 (Helenski Group Ltd based in IP24), 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 Mildenhall by posting a job with HaMuch and we will send it to extension builders in Mildenhall.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bury St Edmunds | £34 | £251 |
| Underpin A Building near Ely | £40 | £279 |
| Underpin A Building near Thetford | £42 | £277 |
| Underpin A Building near Haverhill | £37 | £260 |
| Underpin A Building near Cambridge | £38 | £271 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Stowmarket | £30 | £221 |
| Underpin A Building near South Cambridgeshire | £43 | £305 |
| Underpin A Building near Dereham | £25 | £203 |
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 - £17,614

Two storey extension - £88,170

Build a timber frame extension - £26,114

Build a swimming pool - £81,114

Single storey extension - £57,272

Side return extension - £42,778

Install an RSJ - £2,314

Outbuilding - £10,114

Build a Mansard loft conversion - £52,114

Loft conversion - £34,815

Build a kitchen extension - £42,114

Hip to gable loft conversion - £42,114

Granny annexe - £87,114

Garden office - £10,114

Convert a Garage - £16,114

Garage - £18,614

Build a flat roof extension - £22,114

Build a dormer loft conversion - £42,114

Concrete foundations - £6,364

Convert a bungalow loft - £29,114

Convert a basement - £38,778