From £17,468
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,308
BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Essex and the surrounding area. Contact us to today to get a competitive...
From £17,636
O G Conversions is an established and experienced local extension builder in Essex. Please contact us for a free, no obligation quote and competiti...
From £17,580
Essex Roofing Ltd is an established and experienced local extension builder in Essex. Please contact us for a free, no obligation quote and competi...
From £18,860
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in Essex. No obligation fr...
From £17,716
Trusted and professional extension builder in Essex. Experienced in all extension buildering work and keeping within budget and on quote. DEBRAY BU...
From £17,708
Trusted and professional extension builder in Essex. Experienced in all extension buildering work and keeping within budget and on quote. 1st Look ...
From £17,956
MDH Construction is an established and experienced local extension builder in Essex. Please contact us for a free, no obligation quote and competit...
From £17,844
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,604
Relax... you have found a reliable extension builder in Essex. Pinnacle Construction is a friendly and reliable company based in Essex who consider...

Underpinning ranges from £17,308 (BOWIE CONSTRUCTION LTD based in CB21) to £18,860 (ALLIED BUILDING ASSOCIATES LTD based in CB22), 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 Essex by posting a job with HaMuch and we will send it to extension builders in Essex.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Haverhill | £37 | £260 |
| Underpin A Building near Bishop's Stortford | £42 | £264 |
| Underpin A Building near South Cambridgeshire | £43 | £305 |
| Underpin A Building near Cambridge | £38 | £271 |
| Underpin A Building near Braintree | £37 | £247 |
| Underpin A Building near East Hertfordshire | £44 | £289 |
| Underpin A Building near Harlow | £43 | £288 |
| Underpin A Building near Ware | £47 | £296 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Letchworth | £44 | £283 |
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 - £17,768

Two storey extension - £88,402

Build a timber frame extension - £26,268

Build a swimming pool - £81,268

Single storey extension - £60,360

Side return extension - £44,515

Install an RSJ - £2,468

Outbuilding - £10,268

Build a Mansard loft conversion - £52,268

Loft conversion - £36,263

Build a kitchen extension - £42,268

Hip to gable loft conversion - £42,268

Granny annexe - £87,268

Garden office - £10,268

Convert a Garage - £16,268

Garage - £18,768

Build a flat roof extension - £22,268

Build a dormer loft conversion - £42,268

Concrete foundations - £6,518

Convert a bungalow loft - £29,268

Convert a basement - £40,515