Range from the cheapest single storey extension £50,200 (R.P. Bricklayer based in RM4) to the dearest single storey extension £55,000 (J&N Contractors (Essex) Limited based in CM14).
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 CM14 by posting a job with HaMuch and we will send it to extension builders in CM14.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Brentwood | £34 | £225 |
| Single Storey Extension near Romford | £39 | £236 |
| Single Storey Extension near Billericay | £34 | £218 |
| Single Storey Extension near South Ockendon | £51 | £242 |
| Single Storey Extension near Basildon | £34 | £220 |
| Single Storey Extension near Chafford Hundred | £36 | £227 |
| Single Storey Extension near Thurrock | £36 | £227 |
| Single Storey Extension near Stanford-le-Hope | £35 | £222 |
| Single Storey Extension near Grays | £36 | £225 |
| Single Storey Extension near Loughton | £38 | £238 |