From £17,476
We are a family run business that have experience of over 30 years in property maintenance, estate agents and insurance works. We provide ...
From £17,676
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in SS14 and the surrounding area. Contact us to today to get a c...
From £17,548
Experienced extension builder ready to quote for your work. LG Construction (Essex) Ltd is the best extension builder in SS14. No obligation free q...
From £17,380
Concept Interiors Management Ltd is a trusted extension builder serving customers in SS14 and the surrounding area. Contact us to today to get a co...
From £17,708
Browns Contractors is a trusted extension builder serving customers in SS14 and the surrounding area. Contact us to today to get a competitive quot...
From £17,660
Property Maintenance are here to help customers who need an Extension Builder in SS14. We offer a competitive rate to complete all your extension b...
From £17,668
Need to find an Extension Builder near you for all your extension buildering work?
Essex Conservatories provides a local, trusted extension...
From £17,580
Our building services company CCW Building & Plumbing have thirteen years’ experience and we have been helping customers in Basildon and the surr...
From £16,956
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in SS14. No obligation free quotes an...
From £17,708
Trusted and professional extension builder in SS14. Experienced in all extension buildering work and keeping within budget and on quote. CLARK CONS...

Underpinning ranges from £16,956 (Capital Roofing Ltd based in SS13) to £17,708 (Browns Contractors based in SS16), 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 SS14 by posting a job with HaMuch and we will send it to extension builders in SS14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Basildon | £34 | £220 |
| Underpin A Building near Billericay | £34 | £219 |
| Underpin A Building near Wickford | £34 | £225 |
| Underpin A Building near Stanford-le-Hope | £35 | £222 |
| Underpin A Building near Thundersley | £34 | £223 |
| Underpin A Building near Rayleigh | £34 | £223 |
| Underpin A Building near Canvey Island | £34 | £224 |
| Underpin A Building near Brentwood | £34 | £225 |
| Underpin A Building near Thurrock | £36 | £227 |
| Underpin A Building near Chafford Hundred | £36 | £227 |
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 - £17,536

Two storey extension - £88,054

Build a timber frame extension - £26,036

Build a swimming pool - £81,036

Single storey extension - £55,720

Side return extension - £41,905

Install an RSJ - £2,236

Outbuilding - £10,036

Build a Mansard loft conversion - £52,036

Loft conversion - £34,088

Build a kitchen extension - £42,036

Hip to gable loft conversion - £42,036

Granny annexe - £87,036

Garden office - £10,036

Convert a Garage - £16,036

Garage - £18,536

Build a flat roof extension - £22,036

Build a dormer loft conversion - £42,036

Concrete foundations - £6,286

Convert a bungalow loft - £29,036

Convert a basement - £37,905