From £47,480
T F Builders are here to help customers who need an Extension Builder in CO2. We offer a competitive rate to complete all your extension buildering...
From £55,000
Need an Extension Builder in CO2? VICTOR COLIN PRESTON has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £44,760
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 £51,800
D R Rouse Build Limited is a trusted extension builder serving customers in CO2 and the surrounding area. Contact us to today to get a competitive ...
From £50,360
Complete Building Solutions is an established and experienced local extension builder in CO2. Please contact us for a free, no obligation quote and...
From £51,800
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 £41,720
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 £47,160
JDS Building Services is an established extension buildering business in CO2. We come highly recommended and provide competitive quotes for your wo...
From £55,160
HUTTON CONSTRUCTION LTD is a trusted extension builder serving customers in CO2 and the surrounding area. Contact us to today to get a competitive ...
From £52,280
Experienced extension builder ready to quote for your work. MATURECOURT BUILDERS LTD is the best extension builder in CO2. No obligation free quote...

"Basic 3 metre by 4 metre single extension to back of house" - COLCHESTER, job posted 09/01/25
"Single storey extension" - COLCHESTER, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Colchester | £33 | £230 |
| Single Storey Extension near Tendring | £31 | £226 |
| Single Storey Extension near Witham | £36 | £240 |
| Single Storey Extension near Maldon | £36 | £244 |
| Single Storey Extension near Clacton-on-Sea | £31 | £230 |
| Single Storey Extension near Braintree | £37 | £247 |
| Single Storey Extension near Sudbury | £34 | £229 |
| Single Storey Extension near Harwich | £34 | £248 |
| Single Storey Extension near Ipswich | £33 | £235 |
| Single Storey Extension 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 - £17,238

Two storey extension - £87,606

Build a timber frame extension - £25,738

Build a swimming pool - £80,738

Single storey extension - £49,752

Side return extension - £38,548

Install an RSJ - £1,938

Outbuilding - £9,738

Build a Mansard loft conversion - £51,738

Loft conversion - £31,290

Build a kitchen extension - £41,738

Hip to gable loft conversion - £41,738

Granny annexe - £86,738

Garden office - £9,738

Convert a Garage - £15,738

Garage - £18,238

Build a flat roof extension - £21,738

Build a dormer loft conversion - £41,738

Concrete foundations - £5,988

Convert a bungalow loft - £28,738

Convert a basement - £34,548