KT3 DISTRICT · KINGSTON UPON THAMES

St James mobile coverage Within 8 points of the Kingston average KT3 · Kingston upon Thames

No network wins KT3 on overall coverage: all four score 100/100.

KT3: St James, Norbiton, Green Lane, Old Malden, Coombe Hill, Coombe Vale, Raynes Park, West Barnes (Kingston upon Thames, Merton).

KT3 scores

=
EE
Overall: 100/100
5G
100%
4G
100%
Indoor
100%
=
O2
Overall: 100/100
5G
100%
4G
100%
Indoor
100%
=
Three
Overall: 100/100
5G
100%
4G
100%
Indoor
100%
=
Vodafone
Overall: 100/100
5G
100%
4G
100%
Indoor
100%

Ofcom Mobile Coverage data (May 2025), measured across 141 addresses in 5 sampled postcodes: KT3 3AA, KT3 3PR, KT3 3QQ, KT3 4DP, KT3 4TA. Methodology.

How KT3 compares

Every network here is within 8 points of the Kingston average and of KT5 Sunray, KT4 Worcester Park, KT1 Norbiton and KT2 Tudor, indoors and outdoors.

Weakest spot in Kingston: KT14 Byfleet, where EE reaches 59% indoors.

Indoor signal around KT3

Districtkm awayEEO2ThreeVodafone
KT3 St James (here) – 100%100%100%100%
KT5 Sunray, Norbiton 2 100%100%100%100%
KT4 Worcester Park, Epsom 3 100%100%100%100%
KT1 Norbiton, St Mark's 3 100%100%100%100%
KT2 Tudor, Norbiton 3 100%100%100%100%
Kingston average – 96%99%99%100%

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See EE plans → Or compare O2 (100/100) → Phone Finder →

1pMobile runs on EE's network: £5 a month for 5GB (read 19 October 2026). A price, not a coverage ranking: Ofcom separates no network here.

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