SignalCheck.uk

Mobile Signal in CM1

Chelmsford, Essex — Urban area

Best Network

EE

good

Outdoor

96%

Indoor

87%

Voice

95%

5G Limited Details →

Three

good

Outdoor

94%

Indoor

80%

Voice

94%

No 5G Details →

O2

good

Outdoor

99%

Indoor

89%

Voice

99%

No 5G Details →

Vodafone

good

Outdoor

96%

Indoor

86%

Voice

95%

No 5G Details →

Side-by-Side Comparison

Metric	EE	Three	O2	Vodafone
4G Outdoor	96%	94%	99%	96%
4G Indoor	87%	80%	89%	86%
Voice	95%	94%	99%	95%
5G	5G Limited	No 5G	No 5G	No 5G
Overall	good	good	good	good
Score	84	71	76	74

Coverage Summary

Mobile signal in CM1 (Chelmsford) is rated good overall. EE leads with 96% outdoor 4G coverage and 87% indoor coverage. Three offers the weakest coverage at 94% outdoor.

5G: Limited 5G coverage is available from EE.

Nearby Areas

CM2

Chelmsford

Best: EE

CM3

Chelmsford

Best: EE

Frequently Asked Questions

What is the best mobile network in CM1?

EE has the best overall coverage in CM1 (Chelmsford) with 96% outdoor 4G coverage and a score of 84/100.

Is there 5G in CM1?

5G coverage in CM1 is limited. EE offer partial 5G coverage.

How is indoor signal in CM1?

Indoor 4G coverage in CM1 ranges from 80% to 89%. EE leads with 87% indoor coverage.

Which network has the worst signal in CM1?

Three has the weakest coverage in CM1 with a score of 71/100.

Get 5G Alerts for CM1 (Chelmsford)

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All postcodes in Chelmsford · Essex coverage · EE in CM1 · Three in CM1 · O2 in CM1 · Vodafone in CM1 ·