Range from the cheapest single storey extension £39,000 (Ace Locksmith based in CO3) to the dearest single storey extension £50,360 (Reagan Construction and Landscapes based in CM9).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in CO5 by posting a job with HaMuch and we will send it to extension builders in CO5.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Colchester | £29 | £200 |
| Single Storey Extension near Maldon | £32 | £212 |
| Single Storey Extension near Witham | £31 | £209 |
| Single Storey Extension near Braintree | £32 | £218 |
| Single Storey Extension near Tendring | £27 | £195 |
| Single Storey Extension near Clacton-on-Sea | £26 | £197 |
| Single Storey Extension near Chelmsford | £33 | £224 |
| Single Storey Extension near Sudbury | £30 | £208 |
| Single Storey Extension near Rayleigh | £34 | £221 |
| Single Storey Extension near Wickford | £34 | £224 |