From £17,268
Complete Building Solutions is an established and experienced local extension builder in Colchester. Please contact us for a free, no obligation qu...
From £17,340
Colchester, CO1
D R Rouse Build Limited is a trusted extension builder serving customers in Colchester and the surrounding area. Contact us to today to get a compe...
From £17,124
Colchester, CO2
T F Builders are here to help customers who need an Extension Builder in Colchester. We offer a competitive rate to complete all your extension bui...
From £17,340
Having been established for over 10 years, we have accumulated a vast amount of local experience in all aspects of domestic renovation projects.We ...
From £17,364
Experienced extension builder ready to quote for your work. MATURECOURT BUILDERS LTD is the best extension builder in Colchester. No obligation fre...
From £17,500
Colchester, CO2
Need an Extension Builder in Colchester? VICTOR COLIN PRESTON has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £16,836
Colchester, CO3
I have been a locksmith for 18 years now and I started in the building trade when I was 14.
Contact me for help with building services.
From £16,988
Colchester, CO2
I am a small builder having been in the industry for fourty years I carry out work to a very good standard at reasonable prices I have plenty of cu...
From £17,588
Colchester, CO3
R Best Building Services are here to help customers who need an Extension Builder in Colchester. We offer a competitive rate to complete all your e...

Underpinning ranges from £16,836 (Ace Locksmith based in CO3) to £17,588 (R Best Building Services based in CO3), 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 Colchester by posting a job with HaMuch and we will send it to extension builders in Colchester.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Colchester | £33 | £230 |
| Underpin A Building near Tendring | £31 | £226 |
| Underpin A Building near Witham | £36 | £240 |
| Underpin A Building near Clacton-on-Sea | £31 | £230 |
| Underpin A Building near Sudbury | £34 | £229 |
| Underpin A Building near Maldon | £36 | £244 |
| Underpin A Building near Braintree | £37 | £247 |
| Underpin A Building near Ipswich | £33 | £235 |
| Underpin A Building near Harwich | £34 | £248 |
| Underpin A Building near Felixstowe | £31 | £231 |
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 - £17,233

Two storey extension - £87,599

Build a timber frame extension - £25,733

Build a swimming pool - £80,733

Single storey extension - £49,656

Side return extension - £38,494

Install an RSJ - £1,933

Outbuilding - £9,733

Build a Mansard loft conversion - £51,733

Loft conversion - £31,245

Build a kitchen extension - £41,733

Hip to gable loft conversion - £41,733

Granny annexe - £86,733

Garden office - £9,733

Convert a Garage - £15,733

Garage - £18,233

Build a flat roof extension - £21,733

Build a dormer loft conversion - £41,733

Concrete foundations - £5,983

Convert a bungalow loft - £28,733

Convert a basement - £34,494