Paul Foran
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Terry Howlett
We are a local building company who specialises in keeping our customers happy we are reliable friendly. We carry out all types of building wo...
H.B.S is an established extension buildering business in OL16. We come highly recommended and provide competitive quotes for your work.
Need an Extension Builder in OL16? G Wardley Building & Repairs has been helping local clients (20 mile radius) with their extension buildering job...
Tony Holden
New era developments is a small local limited company. Who create better living spaces . On time and on buget. To a very high standard. Thanks tony...
Ian Smedley
I G Smedley is an established and experienced local extension builder in OL16. Please contact us for a free, no obligation quote and competitive ra...
PLP CONSTRUCTION LTD is an established and experienced local extension builder in OL16. Please contact us for a free, no obligation quote and compe...
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...
From £16,660
Khuram Shahzad
MKS Builders Ltd is an established extension buildering business in OL16. We come highly recommended and provide competitive quotes for your work.<...
From £17,324
Kristian Hubbard
Jnc has been going for 15 years now we have over 10 lads at any time working for us . We Speselied in new building and Exstenshons

Underpinning ranges from £16,460 (Aquatec Builder based in OL10) to £17,556 (I G Smedley based in M24), 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 OL16 by posting a job with HaMuch and we will send it to extension builders in OL16.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Rochdale | £30 | £221 |
| Underpin A Building near Royton | £30 | £225 |
| Underpin A Building near Heywood | £30 | £221 |
| Underpin A Building near Chadderton | £31 | £225 |
| Underpin A Building near Middleton | £31 | £227 |
| Underpin A Building near Oldham | £31 | £229 |
| Underpin A Building near Bury | £30 | £219 |
| Underpin A Building near Failsworth | £35 | £236 |
| Underpin A Building near Whitefield | £31 | £229 |
| Underpin A Building near Prestwich | £31 | £233 |
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 - £17,174

Two storey extension - £87,512

Build a timber frame extension - £25,674

Build a swimming pool - £80,674

Single storey extension - £48,488

Side return extension - £37,837

Install an RSJ - £1,874

Outbuilding - £9,674

Build a Mansard loft conversion - £51,674

Loft conversion - £30,698

Build a kitchen extension - £41,674

Hip to gable loft conversion - £41,674

Granny annexe - £86,674

Garden office - £9,674

Convert a Garage - £15,674

Garage - £18,174

Build a flat roof extension - £21,674

Build a dormer loft conversion - £41,674

Concrete foundations - £5,924

Convert a bungalow loft - £28,674

Convert a basement - £33,837