Q1
Best network for CM2?
EE leads with 84/100 — driven by 68% 5G and 100% 4G in this mixed urban-rural part of Chelmsford.
CM2 DISTRICT · CHELMSFORD
Best mobile network in CM2 Chelmsford postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the CM2 postcode district in Chelmsford.
RESULT · CM2 · CHELMSFORD
Coverage for CM2 district
★ BEST OPERATOR
EE
84/100
EE delivers the strongest coverage for the CM2 district in Chelmsford. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — CM2
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — CM2
Cross-referencing EE, Vodafone, O2 and Three using Ofcom 2024 data, EE comes out on top for Chelmsford. In this mixed urban-rural area, EE achieves an overall coverage score of 84/100 — driven by good 5G coverage (68%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads O2 by 8 points overall. While O2 reaches 53% on 5G and 99% on 4G in Chelmsford, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 75 and 71 respectively.
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Explore the Chelmsford area
View full coverage analysis for the Chelmsford (CM) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — CM2
Q2
Is 5G available in CM2?
EE provides good 5G coverage at 68%. O2 follows at 53%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in mixed urban-rural areas.
Q4
Is Three worth considering?
Three scores 75/100 in CM2 (52% 5G, 99% 4G). It may suit certain tariff or price preferences despite trailing the top two.