From £17,588
Relax... you have found a reliable extension builder in Llansantffraid. OPH Joinery is a friendly and reliable company based in Llansantffraid who ...
From £17,084
Trusted and professional extension builder in Llansantffraid. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £17,572
DMS Building Services are here to help customers who need an Extension Builder in Llansantffraid. We offer a competitive rate to complete all your ...
From £16,860
John Sillitoe Building Contractor is a trusted extension builder serving customers in Llansantffraid and the surrounding area. Contact us to today ...
From £17,356
Trusted and professional extension builder in Llansantffraid. Experienced in all extension buildering work and keeping within budget and on quote. ...
From £17,012
Relax... you have found a reliable extension builder in Llansantffraid. EVABUILD LIMITED is a friendly and reliable company based in Llansantffraid...
From £17,340
Relax... you have found a reliable extension builder in Llansantffraid. Your Home Made Ltd is a friendly and reliable company based in Llansantffra...
From £17,220
In the trade since left school(1990),accommodating and reliable,
From £17,428
Need to find an Extension Builder near you for all your extension buildering work?
Fistral ltd provides a local, trusted extension builderi...
From £17,020
Need to find an Extension Builder near you for all your extension buildering work?
SDW CONSTRUCTION LTD provides a local, trusted extension...

Underpinning ranges from £16,860 (John Sillitoe Building Contractor based in SY16) to £17,588 (OPH Joinery based in SY1), 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 Llansantffraid by posting a job with HaMuch and we will send it to extension builders in Llansantffraid.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Shrewsbury | £32 | £249 |
| Underpin A Building near Wrexham Maelor | £34 | £261 |
| Underpin A Building near Wrexham | £34 | £263 |
| Underpin A Building near The Wrekin | £30 | £236 |
| Underpin A Building near Vale Royal | £35 | £251 |
| Underpin A Building near Flintshire | £33 | £224 |
| Underpin A Building near Telford | £30 | £241 |
| Underpin A Building near Hawarden | £33 | £228 |
| Underpin A Building near Winsford | £31 | £232 |
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 - £17,248

Two storey extension - £87,622

Build a timber frame extension - £25,748

Build a swimming pool - £80,748

Single storey extension - £49,960

Side return extension - £38,665

Install an RSJ - £1,948

Outbuilding - £9,748

Build a Mansard loft conversion - £51,748

Loft conversion - £31,388

Build a kitchen extension - £41,748

Hip to gable loft conversion - £41,748

Granny annexe - £86,748

Garden office - £9,748

Convert a Garage - £15,748

Garage - £18,248

Build a flat roof extension - £21,748

Build a dormer loft conversion - £41,748

Concrete foundations - £5,998

Convert a bungalow loft - £28,748

Convert a basement - £34,665