From £17,516
Relax... you have found a reliable extension builder in Leiston. Aldeburgh Landscaping is a friendly and reliable company based in Leiston who cons...
From £17,132
We can take you dream into reality with our team of experienced tradesmen we cover every aspect of building and landscaping including plastering, e...
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 £17,268
After 6 years as a member of the Which? Trusted Traders scheme D.A.Elias Builders are proud to receive our latest Certificate, ensuring we...
From £16,796
Caley & Son are here to help customers who need an Extension Builder in Leiston. We offer a competitive rate to complete all your extension builder...
From £17,524
Reapy property management carry out the following: - Brick / block work - Foundations - Underground drainage - Soft and hard lands...
From £17,060
Garden Wall & Building Specialists is an established and experienced local extension builder in Leiston. Please contact us for a free, no obligatio...
From £17,524
NEIL WYLIE BUILDERS LIMITED is a trusted extension builder serving customers in Leiston and the surrounding area. Contact us to today to get a comp...
From £17,308
Need to find an Extension Builder near you for all your extension buildering work?
Swan Builders Ltd provides a local, trusted extension bu...
From £17,460
BOOTH DESIGN AND BUILD LTD are here to help customers who need an Extension Builder in Leiston. We offer a competitive rate to complete all your ex...

Underpinning ranges from £16,796 (Caley & Son based in IP3) to £17,524 (Reapy property management based in Ip15), 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 Leiston by posting a job with HaMuch and we will send it to extension builders in Leiston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Suffolk Coastal | £28 | £215 |
| Underpin A Building near Waveney | £24 | £200 |
| Underpin A Building near Felixstowe | £31 | £231 |
| Underpin A Building near Lowestoft | £24 | £197 |
| Underpin A Building near Ipswich | £33 | £235 |
| Underpin A Building near Stowmarket | £30 | £221 |
| Underpin A Building near Harwich | £34 | £248 |
| Underpin A Building near Gorleston-on-Sea | £25 | £205 |
| Underpin A Building near Tendring | £31 | £226 |
| Underpin A Building near Norwich | £25 | £200 |
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 - £17,266

Two storey extension - £87,650

Build a timber frame extension - £25,766

Build a swimming pool - £80,766

Single storey extension - £50,328

Side return extension - £38,872

Install an RSJ - £1,966

Outbuilding - £9,766

Build a Mansard loft conversion - £51,766

Loft conversion - £31,560

Build a kitchen extension - £41,766

Hip to gable loft conversion - £41,766

Granny annexe - £86,766

Garden office - £9,766

Convert a Garage - £15,766

Garage - £18,266

Build a flat roof extension - £21,766

Build a dormer loft conversion - £41,766

Concrete foundations - £6,016

Convert a bungalow loft - £28,766

Convert a basement - £34,872