Range from the cheapest single storey extension £39,000 (Jcr based in Hd8) to the dearest single storey extension £51,640 (3D Construction based in S36).
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 Barnsley by posting a job with HaMuch and we will send it to extension builders in Barnsley.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Barnsley | £27 | £210 |
| Single Storey Extension near Wakefield | £26 | £202 |
| Single Storey Extension near Rotherham | £28 | £225 |
| Single Storey Extension near Ossett | £28 | £206 |
| Single Storey Extension near Normanton | £26 | £202 |
| Single Storey Extension near Dewsbury | £27 | £206 |
| Single Storey Extension near Pontefract | £26 | £202 |
| Single Storey Extension near Sheffield | £30 | £245 |
| Single Storey Extension near Wickersley | £29 | £224 |
| Single Storey Extension near Mirfield | £27 | £201 |