From £17,740
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £17,676
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in SS2 and the surrounding area. Contact us to today to get a co...
From £16,956
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in SS2. No obligation free quotes and...
From £17,772
P OUGHTON BUILDING is an established and experienced local extension builder in SS2. Please contact us for a free, no obligation quote and competit...
From £17,860
Need an Extension Builder in SS2? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering jo...
From £17,660
Property Maintenance are here to help customers who need an Extension Builder in SS2. We offer a competitive rate to complete all your extension bu...
From £16,556
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
From £17,508
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
From £17,220
Need to find an Extension Builder near you for all your extension buildering work?
JLS Building Services provides a local, trusted extensio...
From £17,580
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...

Underpinning ranges from £16,556 (S MEGSON CONSTRUCTION based in CT5) to £17,860 (Ellis & James Builders Limited based in SS17), 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 SS2 by posting a job with HaMuch and we will send it to extension builders in SS2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Southend-on-Sea | £37 | £247 |
| Underpin A Building near Rayleigh | £39 | £252 |
| Underpin A Building near Thundersley | £38 | £251 |
| Underpin A Building near Canvey Island | £39 | £256 |
| Underpin A Building near Wickford | £39 | £255 |
| Underpin A Building near Basildon | £39 | £251 |
| Underpin A Building near Stanford-le-Hope | £40 | £254 |
| Underpin A Building near Billericay | £38 | £248 |
| Underpin A Building near Maldon | £36 | £244 |
| Underpin A Building near Gillingham | £39 | £253 |
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 - £17,453

Two storey extension - £87,929

Build a timber frame extension - £25,953

Build a swimming pool - £80,953

Single storey extension - £54,056

Side return extension - £40,969

Install an RSJ - £2,153

Outbuilding - £9,953

Build a Mansard loft conversion - £51,953

Loft conversion - £33,308

Build a kitchen extension - £41,953

Hip to gable loft conversion - £41,953

Granny annexe - £86,953

Garden office - £9,953

Convert a Garage - £15,953

Garage - £18,453

Build a flat roof extension - £21,953

Build a dormer loft conversion - £41,953

Concrete foundations - £6,203

Convert a bungalow loft - £28,953

Convert a basement - £36,969