From £16,972
Trusted and professional extension builder in Rainford. Experienced in all extension buildering work and keeping within budget and on quote. Jones ...
From £17,172
J.M.C Building Services is a trusted extension builder serving customers in Rainford and the surrounding area. Contact us to today to get a competi...
From £17,276
Relax... you have found a reliable extension builder in Rainford. David Anderson Builders is a friendly and reliable company based in Rainford who ...
From £17,292
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...
From £17,460
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
From £17,396
Need to find an Extension Builder near you for all your extension buildering work?
J & C Barker (Builders) Limited provides a local, truste...
From £17,084
Amak Construction is an established and experienced local extension builder in Rainford. Please contact us for a free, no obligation quote and comp...
From £17,268
Wallplas is an established extension buildering business in Rainford. We come highly recommended and provide competitive quotes for your work.
...From £17,188
WWS Garage Doors & Shutters is a trusted extension builder serving customers in Rainford and the surrounding area. Contact us to today to get a com...
From £17,132
Fishers Building & Paving Ltd is an established extension buildering business in Rainford. We come highly recommended and provide competitive quote...

Underpinning ranges from £16,972 (Jones Landscaping based in L30) to £17,460 (ESBP Specialists Ltd based in M26), 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 Rainford by posting a job with HaMuch and we will send it to extension builders in Rainford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near St Helens | £31 | £224 |
| Underpin A Building near Ashton-in-Makerfield | £30 | £220 |
| Underpin A Building near Newton-le-Willows | £31 | £221 |
| Underpin A Building near Orrell | £29 | £214 |
| Underpin A Building near Prescot | £31 | £223 |
| Underpin A Building near Golborne | £30 | £222 |
| Underpin A Building near Knowsley | £31 | £222 |
| Underpin A Building near Skelmersdale | £28 | £210 |
| Underpin A Building near Wigan | £30 | £220 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
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 - £17,224

Two storey extension - £87,586

Build a timber frame extension - £25,724

Build a swimming pool - £80,724

Single storey extension - £49,480

Side return extension - £38,395

Install an RSJ - £1,924

Outbuilding - £9,724

Build a Mansard loft conversion - £51,724

Loft conversion - £31,163

Build a kitchen extension - £41,724

Hip to gable loft conversion - £41,724

Granny annexe - £86,724

Garden office - £9,724

Convert a Garage - £15,724

Garage - £18,224

Build a flat roof extension - £21,724

Build a dormer loft conversion - £41,724

Concrete foundations - £5,974

Convert a bungalow loft - £28,724

Convert a basement - £34,395