From £17,492
J.T.Construction is a trusted extension builder serving customers in WA4 and the surrounding area. Contact us to today to get a competitive quote f...
From £17,452
Get an Extension Builder in WA4 who you can trust. National Plumbing and Heating provide friendly and reliable extension buildering services to the...
From £17,164
Trusted and professional extension builder in WA4. Experienced in all extension buildering work and keeping within budget and on quote. I Wright Bu...
From £17,580
Rdh Property Services is an established and experienced local extension builder in WA4. Please contact us for a free, no obligation quote and compe...
From £17,148
Trusted and professional extension builder in WA4. Experienced in all extension buildering work and keeping within budget and on quote. HPH Improvm...
From £17,172
Fixit Cheshire is an established and experienced local extension builder in WA4. Please contact us for a free, no obligation quote and competitive ...
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 £17,276
RP Construction Design is an established extension buildering business in WA4. We come highly recommended and provide competitive quotes for your w...
From £17,220
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
From £17,196
Welcome to Space Design & Build a building company based in Warrington.With nearly 40 years combined experience in the industry Space Design & Buil...

Underpinning ranges from £17,148 (HPH Improvment&Building based in WA2) to £17,580 (Rdh Property Services based in WA2), 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 WA4 by posting a job with HaMuch and we will send it to extension builders in WA4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Warrington | £31 | £222 |
| Underpin A Building near Runcorn | £33 | £228 |
| Underpin A Building near Newton-le-Willows | £31 | £221 |
| Underpin A Building near Halton | £31 | £220 |
| Underpin A Building near Widnes | £31 | £220 |
| Underpin A Building near Golborne | £30 | £222 |
| Underpin A Building near Irlam | £32 | £225 |
| Underpin A Building near Altrincham | £32 | £228 |
| Underpin A Building near St Helens | £31 | £224 |
| Underpin A Building near Ashton-in-Makerfield | £30 | £220 |
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 - £17,302

Two storey extension - £87,704

Build a timber frame extension - £25,802

Build a swimming pool - £80,802

Single storey extension - £51,048

Side return extension - £39,277

Install an RSJ - £2,002

Outbuilding - £9,802

Build a Mansard loft conversion - £51,802

Loft conversion - £31,898

Build a kitchen extension - £41,802

Hip to gable loft conversion - £41,802

Granny annexe - £86,802

Garden office - £9,802

Convert a Garage - £15,802

Garage - £18,302

Build a flat roof extension - £21,802

Build a dormer loft conversion - £41,802

Concrete foundations - £6,052

Convert a bungalow loft - £28,802

Convert a basement - £35,277