From £17,116
Need an Extension Builder in HU7? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £17,196
Absolute Finishes is an established extension buildering business in HU7. We come highly recommended and provide competitive quotes for your work.<...
From £17,380
ACG Building Services is an established extension buildering business in HU7. We come highly recommended and provide competitive quotes for your wo...
From £17,052
Marhsall is an established extension buildering business in HU7. We come highly recommended and provide competitive quotes for your work.
From £17,108
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in HU7. No obligation free quotes and many ...
From £17,300
Need to find an Extension Builder near you for all your extension buildering work?
Ashley Cook Builders provides a local, trusted extension...
From £17,572
J LLOYD CONSTRUCTION LTD are here to help customers who need an Extension Builder in HU7. We offer a competitive rate to complete all your extensio...
From £17,204
Need to find an Extension Builder near you for all your extension buildering work?
HEPWORTH BUILDING provides a local, trusted extension bu...
From £17,108
RB Building Services is an established extension buildering business in HU7. We come highly recommended and provide competitive quotes for your wor...
From £17,508
Kev Pipe Builder is an established extension buildering business in HU7. We come highly recommended and provide competitive quotes for your work.

Underpinning ranges from £17,052 (Marhsall based in HU15) to £17,572 (J LLOYD CONSTRUCTION LTD based in HU7), 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 HU7 by posting a job with HaMuch and we will send it to extension builders in HU7.
"Underpinning" - HU1, job posted 07/10/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Hull | £29 | £223 |
| Underpin A Building near Willerby | £29 | £221 |
| Underpin A Building near Beverley | £29 | £223 |
| Underpin A Building near East Riding | £29 | £223 |
| Underpin A Building near North Lincolnshire | £28 | £216 |
| Underpin A Building near Scunthorpe | £26 | £207 |
| Underpin A Building near Grimsby | £32 | £246 |
| Underpin A Building near North East Lincolnshire | £32 | £246 |
| Underpin A Building near Cleethorpes | £32 | £246 |
| Underpin A Building near Bridlington | £32 | £252 |
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 - £17,254

Two storey extension - £87,632

Build a timber frame extension - £25,754

Build a swimming pool - £80,754

Single storey extension - £50,088

Side return extension - £38,737

Install an RSJ - £1,954

Outbuilding - £9,754

Build a Mansard loft conversion - £51,754

Loft conversion - £31,448

Build a kitchen extension - £41,754

Hip to gable loft conversion - £41,754

Granny annexe - £86,754

Garden office - £9,754

Convert a Garage - £15,754

Garage - £18,254

Build a flat roof extension - £21,754

Build a dormer loft conversion - £41,754

Concrete foundations - £6,004

Convert a bungalow loft - £28,754

Convert a basement - £34,737