London mayoral election, 2012 Opinion polls Opinion polls

| Dates_conducted | Polling_organisation_client | Conservatives | Labour | Liberal_Democrats | Others_ |
|---|---|---|---|---|---|
| 7–10 February 2012 | YouGov/Evening Standard | 46% | 45% | 6% | 3% |
| 7–10 February 2012 | YouGov/Evening Standard | 51% | 49% | – | – |
| 19–21 January 2012 | ComRes | 44% | 46% | 5% | 5% |
| 19–21 January 2012 | ComRes | 49% | 51% | – | – |
| 10–16 January 2012 | YouGov | 44% | 46% | 7% | 3% |
| 10–16 January 2012 | YouGov | 49% | 51% | – | – |
| November 2011 | ComRes/Evening Standard | 48% | 40% | 7% | 4% |
| 7–9 June 2011 | YouGov | 48% | 41% | 2% | 9% |
| March 2011 | ComRes/Evening Standard | 36% | 37% | 5% | 6% |