Q1
Best network for SW4?
EE leads with 95/100 — driven by 90% 5G and 100% 4G in this densely populated urban part of South West London.
SW4 DISTRICT · SOUTH WEST LONDON
Best mobile network in SW4 South West London postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SW4 postcode district in South West London.
RESULT · SW4 · SOUTH WEST LONDON
Coverage for SW4 district
★ BEST OPERATOR
EE
95/100
EE delivers the strongest coverage for the SW4 district in South West London. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SW4
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SW4
Based on Ofcom Connected Nations 2024 data, EE is the clear winner in South West London. In this densely populated urban area, EE achieves an overall coverage score of 95/100 — driven by excellent 5G coverage (90%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads Three by 3 points overall. While Three reaches 84% 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 87 and 86 respectively.
Best phone deals from EE
Because signal quality matters most when choosing a phone contract, here are the top EE contracts available now.
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 — SW4
Q2
Is 5G available in SW4?
EE provides excellent 5G coverage at 90%. Three follows at 84%.
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 87/100 in SW4 (74% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.