Range from the cheapest single storey extension £40,600 (S A Davies Sustainable Construction Limited based in CH7) to the dearest single storey extension £55,000 (G & D Jones Ltd based in LL22).
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 Denbigh by posting a job with HaMuch and we will send it to extension builders in Denbigh.

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Rhyl | £24 | £178 |
| Single Storey Extension near Prestatyn | £24 | £179 |
| Single Storey Extension near Flintshire | £28 | £191 |
| Single Storey Extension near Colwyn Bay | £26 | £206 |
| Single Storey Extension near Connah's Quay | £28 | £195 |
| Single Storey Extension near Hawarden | £28 | £196 |
| Single Storey Extension near Heswall | £27 | £187 |
| Single Storey Extension near Conwy | £26 | £206 |
| Single Storey Extension near Conway | £24 | £184 |
| Single Storey Extension near Vale Royal | £30 | £212 |