From £17,284
Widnes, WA8
Need to find an Extension Builder near you for all your extension buildering work?
DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...
From £17,380
Need to find an Extension Builder near you for all your extension buildering work?
Leabra Construction North West Ltd provides a local, tru...
From £17,324
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,308
Relax... you have found a reliable extension builder in Widnes. Webby is a friendly and reliable company based in Widnes who consider no job as too...
From £17,108
Relax... you have found a reliable extension builder in Widnes. R A C Gas is a friendly and reliable company based in Widnes who consider no job as...
From £17,404
Relax... you have found a reliable extension builder in Widnes. PENNY LANE BUILDERS LTD is a friendly and reliable company based in Widnes who cons...
From £17,172
Fixit Cheshire is an established and experienced local extension builder in Widnes. Please contact us for a free, no obligation quote and competiti...
From £17,372
Experienced extension builder ready to quote for your work. Elevate Finishing is the best extension builder in Widnes. No obligation free quotes an...
From £17,492
J.T.Construction is a trusted extension builder serving customers in Widnes and the surrounding area. Contact us to today to get a competitive quot...

Underpinning ranges from £17,108 (R A C Gas based in WA7) to £17,564 (Bakers Building Maintenance based in WA8), 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 Widnes by posting a job with HaMuch and we will send it to extension builders in Widnes.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Widnes | £31 | £220 |
| Underpin A Building near Halton | £31 | £220 |
| Underpin A Building near Runcorn | £33 | £228 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
| Underpin A Building near Prescot | £31 | £222 |
| Underpin A Building near Knowsley | £31 | £221 |
| Underpin A Building near St Helens | £31 | £224 |
| Underpin A Building near Warrington | £31 | £222 |
| Underpin A Building near Newton-le-Willows | £31 | £221 |
| Underpin A Building near Golborne | £30 | £222 |
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 - £17,341

Two storey extension - £87,761

Build a timber frame extension - £25,841

Build a swimming pool - £80,841

Single storey extension - £51,816

Side return extension - £39,709

Install an RSJ - £2,041

Outbuilding - £9,841

Build a Mansard loft conversion - £51,841

Loft conversion - £32,258

Build a kitchen extension - £41,841

Hip to gable loft conversion - £41,841

Granny annexe - £86,841

Garden office - £9,841

Convert a Garage - £15,841

Garage - £18,341

Build a flat roof extension - £21,841

Build a dormer loft conversion - £41,841

Concrete foundations - £6,091

Convert a bungalow loft - £28,841

Convert a basement - £35,709