SignalCheck.uk

Mobile Signal in N21

London, Greater London — Urban area

Best Network

EE

excellent

Outdoor

99%

Indoor

88%

Voice

97%

5G Available Details →

Three

excellent

Outdoor

96%

Indoor

83%

Voice

96%

5G Available Details →

O2

excellent

Outdoor

97%

Indoor

84%

Voice

96%

5G Available Details →

Vodafone

excellent

Outdoor

99%

Indoor

88%

Voice

97%

5G Available Details →

Side-by-Side Comparison

Metric	EE	Three	O2	Vodafone
4G Outdoor	99%	96%	97%	99%
4G Indoor	88%	83%	84%	88%
Voice	97%	96%	96%	97%
5G	5G Available	5G Available	5G Available	5G Available
Overall	excellent	excellent	excellent	excellent
Score	96	93	94	96

Coverage Summary

Mobile signal in N21 (London) is rated excellent overall. EE leads with 99% outdoor 4G coverage and 88% indoor coverage. Three offers the weakest coverage at 96% outdoor.

5G: Full 5G is available from EE, Three, O2, Vodafone.

Nearby Areas

N20

London

Best: EE

N22

London

Best: EE

Frequently Asked Questions

What is the best mobile network in N21?

EE has the best overall coverage in N21 (London) with 99% outdoor 4G coverage and a score of 96/100.

Is there 5G in N21?

Yes, 5G is available in N21 from EE, Three, O2, Vodafone.

How is indoor signal in N21?

Indoor 4G coverage in N21 ranges from 83% to 88%. EE leads with 88% indoor coverage.

Which network has the worst signal in N21?

Three has the weakest coverage in N21 with a score of 93/100.

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All postcodes in London · Greater London coverage · EE in N21 · Three in N21 · O2 in N21 · Vodafone in N21 ·