NEW: Westminster Voting Intention RFM 26% (+2) LAB 25% (-1) CON 19% (-2) LD 11% (+1) GRN 9% (-1) SNP 3% (=) RB 2% (=) PC 2% (=) OTH 4% (+1) F/w 10-13 August 2026. Changes vs 26/07/2026