Range from the cheapest single storey extension £39,000 (Complex Construction based in AL7) to the dearest single storey extension £55,960 (Steve Rolt Home Improvements Ltd based in SG9).
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 Ardeley by posting a job with HaMuch and we will send it to extension builders in Ardeley.

"Single storey extension"
STEVENAGE
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Stevenage | £37 | £239 |
| Single Storey Extension near Hitchin | £37 | £238 |
| Single Storey Extension near North Hertfordshire | £37 | £238 |
| Single Storey Extension near East Hertfordshire | £37 | £242 |
| Single Storey Extension near Letchworth | £37 | £239 |
| Single Storey Extension near Welwyn Garden City | £36 | £229 |
| Single Storey Extension near Hertford | £39 | £247 |
| Single Storey Extension near Ware | £40 | £252 |
| Single Storey Extension near Harpenden | £69 | £256 |
| Single Storey Extension near Hatfield | £54 | £241 |