ComRes
ComRes Voting Intention since 2005
Q: If there were a general election tomorrow, would you vote Conservative, Labour, Liberal Democrat or some other party?
| Survey End Date | CON (%) | LAB (%) | LDEM (%) | Con Lead | |
| ComRes/Independent on Sunday | 2009-10-01 | 40 | 28 | 19 | 12 |
| ComRes/Independent | 2009-09-27 | 38 | 23 | 23 | 15 |
| ComRes/Independent | 2009-09-06 | 40 | 24 | 21 | 16 |
| ComRes/Independent on Sunday | 2009-08-20 | 41 | 24 | 18 | 17 |
| ComRes/Independent | 2009-07-26 | 42 | 24 | 18 | 18 |
| ComRes/Independent on Sunday | 2009-07-16 | 38 | 23 | 22 | 15 |
| ComRes/Independent | 2009-06-28 | 36 | 25 | 19 | 11 |
| ComRes/Independent on Sunday | 2009-06-19 | 39 | 22 | 18 | 17 |
| ComRes/Independent | 2009-06-07 | 38 | 22 | 20 | 16 |
| ComRes/Independent | 2009-05-31 | 30 | 22 | 18 | 8 |
| ComRes/Independent on Sunday | 2009-05-14 | 40 | 21 | 18 | 19 |
| ComRes/Independent | 2009-04-26 | 45 | 26 | 17 | 19 |
| ComRes/Independent | 2009-03-29 | 40 | 28 | 18 | 12 |
| ComRes/Independent on Sunday | 2009-03-19 | 41 | 30 | 17 | 11 |
| ComRes/Independent | 2009-03-01 | 44 | 28 | 17 | 16 |
| ComRes/Independent on Sunday | 2009-02-12 | 41 | 25 | 22 | 16 |
| ComRes/Independent | 2009-01-23 | 43 | 28 | 16 | 15 |
| ComRes/Independent on Sunday | 2009-01-15 | 41 | 32 | 15 | 9 |
| ComRes/Independent | 2008-12-21 | 39 | 34 | 16 | 5 |
| ComRes/Independent on Sunday | 2008-12-11 | 37 | 36 | 14 | 1 |
| ComRes/Independent | 2008-11-30 | 37 | 36 | 17 | 1 |
| ComRes/Independent on Sunday | 2008-11-13 | 43 | 32 | 12 | 11 |
| ComRes/Independent | 2008-10-26 | 39 | 31 | 16 | 8 |
| ComRes/Independent on Sunday | 2008-10-16 | 40 | 31 | 16 | 9 |
| ComRes/Independent | 2008-09-28 | 41 | 29 | 18 | 12 |
| ComRes/Independent on Sunday | 2008-09-18 | 39 | 27 | 21 | 12 |
| ComRes/Independent | 2008-09-04 | 44 | 25 | 17 | 19 |
| ComRes/Independent on Sunday | 2008-08-21 | 46 | 25 | 16 | 21 |
| ComRes/Independent | 2008-07-24 | 46 | 24 | 18 | 22 |
| ComRes/Independent on Sunday | 2008-07-17 | 45 | 24 | 16 | 21 |
| ComRes/Independent | 2008-06-26 | 46 | 25 | 18 | 21 |
| ComRes/Independent on Sunday | 2008-06-12 | 44 | 26 | 17 | 18 |
| ComRes/Independent | 2008-06-01 | 44 | 30 | 16 | 14 |
| ComRes/Independent on Sunday | 2008-05-15 | 43 | 26 | 19 | 17 |
| ComRes/Independent | 2008-04-27 | 40 | 26 | 20 | 14 |
| ComRes/Independent | 2008-03-30 | 38 | 31 | 17 | 7 |
| ComRes/Independent | 2008-02-24 | 41 | 30 | 17 | 11 |
| ComRes/Independent | 2008-01-27 | 38 | 30 | 17 | 8 |
| ComRes/Independent | 2007-12-16 | 41 | 30 | 16 | 11 |
| ComRes/Independent | 2007-11-25 | 40 | 27 | 18 | 13 |
| ComRes/Independent | 2007-10-28 | 41 | 33 | 16 | 8 |
| ComRes/Independent | 2007-09-12 | 34 | 37 | 15 | -3 |
| ComRes/Independent | 2007-08-30 | 36 | 36 | 15 | 0 |
| Communicate/Independent | 2007-07-29 | 34 | 37 | 16 | -3 |
| Communicate/Independent | 2007-06-24 | 37 | 32 | 18 | 5 |
| Communicate/Independent | 2007-05-28 | 35 | 31 | 19 | 4 |
| Communicate/Independent | 2007-04-22 | 36 | 27 | 22 | 9 |
| Communicate/Independent | 2007-03-25 | 35 | 31 | 20 | 4 |
| Communicate/Independent | 2007-02-25 | 40 | 29 | 17 | 11 |
| Communicate/Independent | 2006-12-20 | 36 | 37 | 14 | -1 |
| Communicate/Independent | 2006-11-26 | 34 | 36 | 17 | -2 |
| Communicate/Independent | 2006-10-22 | 38 | 32 | 14 | 6 |