Range from the cheapest single storey extension £31,000 (Weathersealed UK based in DL1) to the dearest single storey extension £49,560 (Pidesigns based in DL1).
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 DL7 by posting a job with HaMuch and we will send it to extension builders in DL7.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Darlington | £53 | £194 |
| Single Storey Extension near Ingleby Barwick | £36 | £202 |
| Single Storey Extension near Thornaby-on-Tees | £36 | £202 |
| Single Storey Extension near Stockton-on-Tees | £35 | £201 |
| Single Storey Extension near Middlesbrough | £36 | £202 |
| Single Storey Extension near Newton Aycliffe | £40 | £207 |
| Single Storey Extension near Billingham | £37 | £208 |
| Single Storey Extension near Eston | £35 | £215 |
| Single Storey Extension near Bishop Auckland | £38 | £221 |
| Single Storey Extension near Harrogate | £26 | £197 |