Best mobile network in SM4 Sutton postcode district

Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE leads the field in Sutton. In this suburban area, EE achieves an overall coverage score of 90/100 — driven by strong 5G coverage (80%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE noticeably leads Three by 8 points overall. While Three reaches 65% on 5G and 99% on 4G in Sutton, it falls short of EE's combined performance across all bands. Vodafone and O2 round out the field at 79 and 78 respectively.

EE's 5G rollout in Sutton is among the strongest nationally, covering 80% of premises in the SM4 district. For anyone streaming video, gaming on mobile, or relying on a mobile hotspot at home, this level of 5G penetration makes a real difference to day-to-day speed.

The runner-up in SM4 is Three at 82/100 (65% 5G / 99% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with Three, 4G performance should still be solid.