Range from the cheapest single storey extension £34,200 (Clyde construction property maintenance based in PA16) to the dearest single storey extension £56,760 (Price It Cost Consultants Ltd based in PA16).
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 Port Riddell by posting a job with HaMuch and we will send it to extension builders in Port Riddell.

| Business name | Single storey extension cost |
|---|---|
| Clyde construction property maintenance, Greenock, PA16 | £34,200 |
| MARTIN POWER BUILDERS, Greenock, PA16 | £55,800 |
| Price It Cost Consultants Ltd, Inverclyde, PA16 | £56,760 |
| GH BUILDING SERVICES LTD, Greenock, PA14 | £53,400 |
| CR Joiners, Cardross, G82 | £40,600 |
| DRUMKINNON JOINERY & BUILDING, Alexandria, G83 | £53,560 |
| SCOTWEST BUILDING SERVICES LTD, Johnstone, PA5 | £50,840 |
| Adrian K Wilson Roofing Specialist, Dalry, KA24 | £52,280 |
| Glencroft Builders Ltd, Clydebank, G81 | £42,200 |
| Strong Point Property Maintenance Ltd, MO19 115 Abercorn Street, Paisley, PA3 | £51,800 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Port Glasgow | £28 | £220 |
| Single Storey Extension near Greenock | £24 | £200 |
| Single Storey Extension near Dumbarton | £25 | £200 |
| Single Storey Extension near Renfrewshire | £47 | £348 |
| Single Storey Extension near Johnstone | £45 | £333 |
| Single Storey Extension near Erskine | £30 | £222 |
| Single Storey Extension near Clydebank | £30 | £225 |
| Single Storey Extension near Paisley | £30 | £223 |
| Single Storey Extension near Renfrew | £29 | £224 |
| Single Storey Extension near Kilwinning | £29 | £220 |