From £17,812
skilled worker who specializes in completing a wide range of building and renovation projects
From £17,740
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
From £18,732
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £16,916
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...
From £17,900
Decorating Building Service are here to help customers who need an Extension Builder in Great Baddow. We offer a competitive rate to complete all y...
From £17,676
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Great Baddow and the surrounding area. Contact us to today to...
From £16,956
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Great Baddow. No obligation free q...
From £17,772
P OUGHTON BUILDING is an established and experienced local extension builder in Great Baddow. Please contact us for a free, no obligation quote and...
From £17,660
Property Maintenance are here to help customers who need an Extension Builder in Great Baddow. We offer a competitive rate to complete all your ext...
From £17,860
Need an Extension Builder in Great Baddow? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buil...

Underpinning ranges from £16,916 (RTC Plumbers based in RM6) to £18,732 (Optimus Build Solutions based in Rm1), 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 Great Baddow by posting a job with HaMuch and we will send it to extension builders in Great Baddow.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Chelmsford | £38 | £258 |
| Underpin A Building near Billericay | £38 | £248 |
| Underpin A Building near Wickford | £39 | £255 |
| Underpin A Building near Witham | £36 | £240 |
| Underpin A Building near Maldon | £36 | £244 |
| Underpin A Building near Brentwood | £39 | £255 |
| Underpin A Building near Basildon | £39 | £251 |
| Underpin A Building near Rayleigh | £39 | £252 |
| Underpin A Building near Braintree | £37 | £247 |
| Underpin A Building near Thundersley | £38 | £251 |
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 - £17,702

Two storey extension - £88,304

Build a timber frame extension - £26,202

Build a swimming pool - £81,202

Single storey extension - £59,048

Side return extension - £43,777

Install an RSJ - £2,402

Outbuilding - £10,202

Build a Mansard loft conversion - £52,202

Loft conversion - £35,648

Build a kitchen extension - £42,202

Hip to gable loft conversion - £42,202

Granny annexe - £87,202

Garden office - £10,202

Convert a Garage - £16,202

Garage - £18,702

Build a flat roof extension - £22,202

Build a dormer loft conversion - £42,202

Concrete foundations - £6,452

Convert a bungalow loft - £29,202

Convert a basement - £39,777