Experienced extension builder ready to quote for your work. MATURECOURT BUILDERS LTD is the best extension builder in CO6. No obligation free quote...
From £54,520
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £56,760
R Best Building Services are here to help customers who need an Extension Builder in CO6. We offer a competitive rate to complete all your extensio...

"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 | £34 | £232 |
| Single Storey Extension near Sudbury | £34 | £229 |
| Single Storey Extension near Witham | £36 | £240 |
| Single Storey Extension near Braintree | £37 | £247 |
| Single Storey Extension near Maldon | £36 | £244 |
| Single Storey Extension near Tendring | £31 | £226 |
| Single Storey Extension near Ipswich | £33 | £235 |
| Single Storey Extension near Clacton-on-Sea | £31 | £230 |
| Single Storey Extension near Haverhill | £37 | £260 |
| Single Storey Extension near Chelmsford | £38 | £258 |
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 - £17,352

Two storey extension - £87,778

Build a timber frame extension - £25,852

Build a swimming pool - £80,852

Single storey extension - £52,040

Side return extension - £39,835

Install an RSJ - £2,052

Outbuilding - £9,852

Build a Mansard loft conversion - £51,852

Loft conversion - £32,363

Build a kitchen extension - £41,852

Hip to gable loft conversion - £41,852

Granny annexe - £86,852

Garden office - £9,852

Convert a Garage - £15,852

Garage - £18,352

Build a flat roof extension - £21,852

Build a dormer loft conversion - £41,852

Concrete foundations - £6,102

Convert a bungalow loft - £28,852

Convert a basement - £35,835