Range from the cheapest single storey extension £35,000 (Chesney Construction based in FY4) to the dearest single storey extension £47,000 (Improve dont move Ltd based in FY2).
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 Blackpool by posting a job with HaMuch and we will send it to extension builders in Blackpool.

"Single storey extension"
BLACKPOOL
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Blackpool | £25 | £183 |
| Single Storey Extension near Lytham St Annes | £25 | £181 |
| Single Storey Extension near Fleetwood | £25 | £180 |
| Single Storey Extension near Penwortham | £26 | £188 |
| Single Storey Extension near Southport | £23 | £172 |
| Single Storey Extension near Fulwood | £26 | £187 |
| Single Storey Extension near Preston | £26 | £188 |
| Single Storey Extension near Leyland | £26 | £192 |
| Single Storey Extension near Bamber Bridge | £26 | £187 |
| Single Storey Extension near Formby | £20 | £145 |