SW18 DISTRICT · MERTON

Wandsworth mobile coverage O2 100% indoors here, 41% in SW15 nearby SW18 · Merton

No network wins SW18 on overall coverage: all four score 100/100.

SW18: Wandsworth, Wandle, St Mary's, West Hill, East Putney, Falconbrook, Southfields, Thamesfield (Merton, Wandsworth).

SW18 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 78 addresses in 5 sampled postcodes: SW18 2AB, SW18 2BL, SW18 4BQ, SW18 4EE, SW18 4NY. Methodology.

How SW18 compares

Every network here is within 8 points of the South West London average, indoors and outdoors.

Weakest spot in South West London: SW15 Putney, where O2 reaches 41% indoors.

Indoor signal around SW18

Districtkm awayEEO2ThreeVodafone
SW18 Wandsworth (here) – 100%100%100%100%
SW15 Putney, Mortlake 3 100%41%100%100%
SW11 Wandsworth, Balham 3 100%100%100%100%
SW6 Fulham, Hammersmith 3 100%100%100%100%
SW17 Wandle, Graveney 3 100%100%100%100%
South West London average – 100%97%100%100%

Biggest difference nearby: O2 indoors, 100% here and 41% in SW15 Putney, 3 km away.

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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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