Range from the cheapest single storey extension £53,400 (A & A Builders based in PA37) to the dearest single storey extension £55,000 (Whisky vaults based in Pa34).
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 Oban by posting a job with HaMuch and we will send it to extension builders in Oban.

| Business name | Single storey extension cost |
|---|---|
| Whisky vaults, Argyll and Bute, Pa34 | £55,000 |
| A & A Builders, Argyll and Bute, PA37 | £53,400 |
| TOPDECK (BUILDING SERVICES), Oban, PA80 | £53,400 |