Range from the cheapest single storey extension £43,800 (Simms Building Services Ltd based in CV2) to the dearest single storey extension £55,000 (MYBUILD based in B93).
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 CV4 by posting a job with HaMuch and we will send it to extension builders in CV4.

"Single storey extension"
COVENTRY
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Coventry | £24 | £193 |
| Single Storey Extension near Kenilworth | £25 | £195 |
| Single Storey Extension near Bedworth | £24 | £190 |
| Single Storey Extension near Nuneaton & Bedworth | £24 | £190 |
| Single Storey Extension near Knowle | £26 | £200 |
| Single Storey Extension near Warwick | £24 | £188 |
| Single Storey Extension near Leamington Spa | £24 | £188 |
| Single Storey Extension near Solihull | £24 | £193 |
| Single Storey Extension near Nuneaton | £24 | £188 |
| Single Storey Extension near Rugby | £26 | £189 |