Best mobile network in HP20 Hemel Hempstead postcode district

Based on Ofcom Connected Nations 2024 data, EE scores highest across Hemel Hempstead. In this suburban area, EE achieves an overall coverage score of 89/100 — driven by strong 5G coverage (78%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE noticeably leads Three by 7 points overall. While Three reaches 67% on 5G and 97% on 4G in Hemel Hempstead, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 80 and 76 respectively.

EE has made solid 5G inroads across Hemel Hempstead, reaching 78% of premises in HP20. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 100% keeps reliability high throughout.

The runner-up in HP20 is Three at 82/100 (67% 5G / 97% 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.