From £17,548
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,172
Experienced extension builder ready to quote for your work. KG Builders & Construction Ltd is the best extension builder in Chadderton. No obligati...
From £17,596
We are a family ran business that has gone through three generations of management. We pride ourselves in providing the highest quality workmanship...
From £17,188
Trusted and professional extension builder in Chadderton. Experienced in all extension buildering work and keeping within budget and on quote. AJD ...
From £17,260
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,132
Trusted and professional extension builder in Chadderton. Experienced in all extension buildering work and keeping within budget and on quote. Fit-...
From £17,556
I G Smedley is an established and experienced local extension builder in Chadderton. Please contact us for a free, no obligation quote and competit...
From £17,348
I teach others on how to achieve flawless finishes through my blog on my website. i also am a stickler for perfection. I'm very friendly and punctu...
From £17,140
Need to find an Extension Builder near you for all your extension buildering work?
Pennine Loft Conversions provides a local, trusted exten...

Underpinning ranges from £16,684 (Valdecor based in OL8) to £17,596 (N/W Builders based in Ol8), 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 Chadderton by posting a job with HaMuch and we will send it to extension builders in Chadderton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chadderton | £31 | £224 |
| Underpin A Building near Oldham | £31 | £228 |
| Underpin A Building near Royton | £30 | £225 |
| Underpin A Building near Middleton | £31 | £227 |
| Underpin A Building near Failsworth | £35 | £235 |
| Underpin A Building near Ashton-under-Lyne | £36 | £231 |
| Underpin A Building near Droylsden | £34 | £237 |
| Underpin A Building near Rochdale | £30 | £221 |
| Underpin A Building near Heywood | £30 | £222 |
| Underpin A Building near Tameside | £35 | £231 |
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 - £17,262

Two storey extension - £87,644

Build a timber frame extension - £25,762

Build a swimming pool - £80,762

Single storey extension - £50,248

Side return extension - £38,827

Install an RSJ - £1,962

Outbuilding - £9,762

Build a Mansard loft conversion - £51,762

Loft conversion - £31,523

Build a kitchen extension - £41,762

Hip to gable loft conversion - £41,762

Granny annexe - £86,762

Garden office - £9,762

Convert a Garage - £15,762

Garage - £18,262

Build a flat roof extension - £21,762

Build a dormer loft conversion - £41,762

Concrete foundations - £6,012

Convert a bungalow loft - £28,762

Convert a basement - £34,827