From £17,476
Nathan Thomas Plumbing is an established extension buildering business in Grassendale. We come highly recommended and provide competitive quotes fo...
From £17,588
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,372
Experienced extension builder ready to quote for your work. Elevate Finishing is the best extension builder in Grassendale. No obligation free quot...
From £17,404
Relax... you have found a reliable extension builder in Grassendale. PENNY LANE BUILDERS LTD is a friendly and reliable company based in Grassendal...
From £17,316
DK Building is an established extension buildering business in Grassendale. We come highly recommended and provide competitive quotes for your work...
From £17,236
Relax... you have found a reliable extension builder in Grassendale. R Sargeant is a friendly and reliable company based in Grassendale who conside...
From £17,300
Experienced extension builder ready to quote for your work. Oxygen Property Partners is the best extension builder in Grassendale. No obligation f...
From £17,236
Brilliant Homes is an established and experienced local extension builder in Grassendale. Please contact us for a free, no obligation quote and com...
From £17,516
Art Henry's are here to help customers who need an Extension Builder in Grassendale. We offer a competitive rate to complete all your extension bui...
From £17,252
Need an Extension Builder in Grassendale? ARGYLE BUILDING AND MAINTENANCE has been helping local clients (20 mile radius) with their extension buil...

Underpinning ranges from £17,236 (R Sargeant based in L16) to £17,588 (AMT Property Managment based in L17), 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 Grassendale by posting a job with HaMuch and we will send it to extension builders in Grassendale.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Bebington | £31 | £222 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
| Underpin A Building near Liverpool | £31 | £222 |
| Underpin A Building near Ellesmere Port | £31 | £214 |
| Underpin A Building near Birkenhead | £31 | £219 |
| Underpin A Building near Knowsley | £31 | £222 |
| Underpin A Building near Prescot | £31 | £223 |
| Underpin A Building near Widnes | £31 | £220 |
| Underpin A Building near Wallasey | £32 | £224 |
| Underpin A Building near Halton | £31 | £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 - £17,370

Two storey extension - £87,804

Build a timber frame extension - £25,870

Build a swimming pool - £80,870

Single storey extension - £52,392

Side return extension - £40,033

Install an RSJ - £2,070

Outbuilding - £9,870

Build a Mansard loft conversion - £51,870

Loft conversion - £32,528

Build a kitchen extension - £41,870

Hip to gable loft conversion - £41,870

Granny annexe - £86,870

Garden office - £9,870

Convert a Garage - £15,870

Garage - £18,370

Build a flat roof extension - £21,870

Build a dormer loft conversion - £41,870

Concrete foundations - £6,120

Convert a bungalow loft - £28,870

Convert a basement - £36,033