Key:
- European Union
- Devolution
- Election
| Referendum | Topic | Result | Turnout |
|---|---|---|---|
| 1973 Northern Ireland | Remain in UK or join Ireland | Remain in UK | 58.7% (low due to boycott) |
| 1975 UK-wide | Stay in European Community | Yes (stay) | Not stated |
| 1979 Scotland | Devolution | Yes (51.6%) but failed threshold | Not stated |
| 1997 Scotland | Devolution (2 questions) | Yes | Not stated |
| 1997 Wales | Devolution | Yes | Not stated |
| 1998 Northern Ireland | Good Friday Agreement | Yes | 81.1% |
| 1998 London | Mayor and Assembly | Yes | Not stated |
| 2004 North East England | Regional Assembly | No | Not stated |
| 2011 UK-wide (coalition agreement) | Alternative Vote system | No | Not stated |
| 2014 Scotland | Independence | No | 84.6% |
| 2016 UK-wide | EU membership (Brexit) | Leave | Not stated |