Q1
Best network for SW1?
EE leads with 93/100 — driven by 86% 5G and 100% 4G in this densely populated urban part of South West London.
SW1 DISTRICT · SOUTH WEST LONDON
Best mobile network in SW1 South West London postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SW1 postcode district in South West London.
RESULT · SW1 · SOUTH WEST LONDON
Coverage for SW1 district
★ BEST OPERATOR
EE
93/100
EE delivers the strongest coverage for the SW1 district in South West London. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SW1
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SW1
According to Ofcom's December 2024 Connected Nations report, EE delivers the strongest signal in South West London. In this densely populated urban area, EE achieves an overall coverage score of 93/100 — driven by excellent 5G coverage (86%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads Three by 4 points overall. While Three reaches 79% on 5G and 100% on 4G in South West London, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 88 and 87 respectively.
Best phone deals from EE
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Explore the South West London area
View full coverage analysis for the South West London (SW) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SW1
Q2
Is 5G available in SW1?
EE provides excellent 5G coverage at 86%. Three follows at 79%.
Q3
Which network has the best 4G?
EE leads 4G too at 100%. Reliable 4G is critical in densely populated urban areas.
Q4
Is O2 worth considering?
O2 scores 88/100 in SW1 (76% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.