Range from the cheapest single storey extension £48,440 (Darsan Groundworks Ltd based in CM3) to the dearest single storey extension £53,880 (EA Assets based in Cm22).
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 CM6 by posting a job with HaMuch and we will send it to extension builders in CM6.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Bishop's Stortford | £36 | £229 |
| Single Storey Extension near Braintree | £32 | £218 |
| Single Storey Extension near Chelmsford | £33 | £224 |
| Single Storey Extension near Harlow | £37 | £247 |
| Single Storey Extension near Witham | £31 | £209 |
| Single Storey Extension near Haverhill | £32 | £221 |
| Single Storey Extension near Ware | £40 | £252 |
| Single Storey Extension near Maldon | £32 | £212 |
| Single Storey Extension near East Hertfordshire | £37 | £242 |
| Single Storey Extension near Hoddesdon | £40 | £252 |