Range from the cheapest single storey extension £47,000 (FOCUS BUILDING SERVICE based in SO31) to the dearest single storey extension £53,400 (A W PAVING LTD based in SO31).
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 Cowes by posting a job with HaMuch and we will send it to extension builders in Cowes.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Isle of Wight | £29 | £206 |
| Single Storey Extension near Lee-on-the-Solent | £31 | £217 |
| Single Storey Extension near Gosport | £30 | £215 |
| Single Storey Extension near Locks Heath | £30 | £213 |
| Single Storey Extension near Fareham | £31 | £217 |
| Single Storey Extension near Portsmouth | £31 | £216 |
| Single Storey Extension near Hedge End | £30 | £215 |
| Single Storey Extension near Southampton | £30 | £215 |
| Single Storey Extension near Totton | £30 | £216 |
| Single Storey Extension near Eastleigh | £30 | £215 |