Month Con Lab LD UKIP Lab Lead Feb 31.65 42.60 10.95 9.05 10.95 Mar 30.50 40.95 11.40 11.55 10.45 Apr 31.19 40.43 10.71 11.62 9.24 May 29.76 39.24 10.00 14.33 9.48 Jun 31.00 39.05 10.15 13.10 8.05 Jul 32.43 38.96 10.22 11.78 6.52 Aug 32.83 38.67 9.78 11.83 5.83