From £17,276
Trusted and professional extension builder in IP23. Experienced in all extension buildering work and keeping within budget and on quote. RD FARROW ...
From £17,356
Experienced extension builder ready to quote for your work. Beechwood Building Services is the best extension builder in IP23. No obligation free q...
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 £17,356
Offering a friendly and professional construction and insulation services to private residential and commercial customers in East Anglia and surrou...
From £17,076
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,124
Relax... you have found a reliable extension builder in IP23. Mixbrow Construction is a friendly and reliable company based in IP23 who consider no...
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 £17,292
hi i have been a carpenter since i left school some 40 years ago, along with my step son and friend [both carpenters]we have a wide range of skills...

Underpinning ranges from £16,964 (Renovation Concepts Ltd based in IP22) to £17,724 (SUFFOLK BUILD LTD T/A based in IP22), 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 IP23 by posting a job with HaMuch and we will send it to extension builders in IP23.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Stowmarket | £30 | £221 |
| Underpin A Building near Suffolk Coastal | £28 | £215 |
| Underpin A Building near Ipswich | £33 | £235 |
| Underpin A Building near Thetford | £33 | £258 |
| Underpin A Building near Bury St Edmunds | £34 | £251 |
| Underpin A Building near Waveney | £24 | £200 |
| Underpin A Building near Breckland | £28 | £248 |
| Underpin A Building near Norwich | £25 | £200 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Felixstowe | £31 | £231 |
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 - £17,268

Two storey extension - £87,652

Build a timber frame extension - £25,768

Build a swimming pool - £80,768

Single storey extension - £50,360

Side return extension - £38,890

Install an RSJ - £1,968

Outbuilding - £9,768

Build a Mansard loft conversion - £51,768

Loft conversion - £31,575

Build a kitchen extension - £41,768

Hip to gable loft conversion - £41,768

Granny annexe - £86,768

Garden office - £9,768

Convert a Garage - £15,768

Garage - £18,268

Build a flat roof extension - £21,768

Build a dormer loft conversion - £41,768

Concrete foundations - £6,018

Convert a bungalow loft - £28,768

Convert a basement - £34,890