Range from the cheapest single storey extension £50,360 (DP Construction based in DA9) to the dearest single storey extension £55,000 (Hyde Building Ltd based in DA2).
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 Swanscombe by posting a job with HaMuch and we will send it to extension builders in Swanscombe.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Northfleet | £35 | £227 |
| Single Storey Extension near Grays | £36 | £225 |
| Single Storey Extension near Chafford Hundred | £36 | £227 |
| Single Storey Extension near Gravesend | £35 | £227 |
| Single Storey Extension near Thurrock | £36 | £227 |
| Single Storey Extension near Dartford | £45 | £237 |
| Single Storey Extension near South Ockendon | £51 | £242 |
| Single Storey Extension near Bexley | £36 | £230 |
| Single Storey Extension near Stanford-le-Hope | £35 | £222 |
| Single Storey Extension near Rochester | £34 | £220 |