Range from the cheapest single storey extension £47,640 (J & S Autos (Glasgow) Ltd based in G51) to the dearest single storey extension £63,000 (GK STONEMASONS based in G44).
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 Barrhead by posting a job with HaMuch and we will send it to extension builders in Barrhead.

"Single storey extension"
DARNLEY
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Barrhead | £31 | £223 |
| Single Storey Extension near Newton Mearns | £30 | £224 |
| Single Storey Extension near Paisley | £30 | £223 |
| Single Storey Extension near Giffnock | £30 | £223 |
| Single Storey Extension near Johnstone | £45 | £333 |
| Single Storey Extension near Renfrew | £29 | £224 |
| Single Storey Extension near Renfrewshire | £47 | £348 |
| Single Storey Extension near Erskine | £30 | £222 |
| Single Storey Extension near Glasgow | £29 | £221 |
| Single Storey Extension near Rutherglen | £29 | £218 |