From £17,540
Need to find an Extension Builder near you for all your extension buildering work?
RB Building Services provides a local, trusted extension...
From £16,460
Member since November 2019
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,156
Hello So we do not work and almost any work and it works very well and qualitatively If you are interested we can work in the future
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 Colne. Please contact us for a free, no obligation quote and competi...
From £17,156
David Wood Building Kitchens And Bathrooms is a trusted extension builder serving customers in Colne and the surrounding area. Contact us to today ...
From £17,316
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...
From £17,244
H.B.S is an established extension buildering business in Colne. We come highly recommended and provide competitive quotes for your work.
From £17,268
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...
From £17,356
Need an Extension Builder in Colne? Smart building solutions Blackburn ltd has been helping local clients (20 mile radius) with their extension bui...

Underpinning ranges from £16,460 (Aquatec Builder based in OL10) to £17,540 (RB Building Services based in BD16), 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 Colne by posting a job with HaMuch and we will send it to extension builders in Colne.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Nelson | £27 | £214 |
| Underpin A Building near Burnley | £29 | £219 |
| Underpin A Building near Keighley | £30 | £226 |
| Underpin A Building near Calderdale | £33 | £253 |
| Underpin A Building near Accrington | £33 | £243 |
| Underpin A Building near Rawtenstall | £29 | £213 |
| Underpin A Building near Bingley | £30 | £228 |
| Underpin A Building near Halifax | £32 | £243 |
| Underpin A Building near Blackburn | £33 | £246 |
| Underpin A Building near Shipley | £29 | £226 |
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 - £17,198

Two storey extension - £87,546

Build a timber frame extension - £25,698

Build a swimming pool - £80,698

Single storey extension - £48,952

Side return extension - £38,098

Install an RSJ - £1,898

Outbuilding - £9,698

Build a Mansard loft conversion - £51,698

Loft conversion - £30,915

Build a kitchen extension - £41,698

Hip to gable loft conversion - £41,698

Granny annexe - £86,698

Garden office - £9,698

Convert a Garage - £15,698

Garage - £18,198

Build a flat roof extension - £21,698

Build a dormer loft conversion - £41,698

Concrete foundations - £5,948

Convert a bungalow loft - £28,698

Convert a basement - £34,098