Best mobile network in HP3 Hemel Hempstead postcode district

According to Ofcom's December 2024 Connected Nations report, EE delivers the strongest signal in Hemel Hempstead. In this suburban area, EE achieves an overall coverage score of 87/100 — driven by strong 5G coverage (76%) and rock-solid 4G at 98%. 5G and 4G scores are closely matched, reflecting a mature, stable network.

EE clearly leads Three by 8 points overall. While Three reaches 59% on 5G and 100% on 4G in Hemel Hempstead, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 78 and 78 respectively.

EE has made solid 5G inroads across Hemel Hempstead, reaching 76% of premises in HP3. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 98% keeps reliability high throughout.

The runner-up in HP3 is Three at 79/100 (59% 5G / 100% 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.