Q1
Best network for SW1A?
EE leads with 94/100 — driven by 88% 5G and 100% 4G in this densely populated urban part of South West London.
SW1A DISTRICT · SOUTH WEST LONDON
Best mobile network in SW1A South West London postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SW1A postcode district in South West London.
RESULT · SW1A · SOUTH WEST LONDON
Coverage for SW1A district
★ BEST OPERATOR
EE
94/100
EE delivers the strongest coverage for the SW1A district in South West London. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SW1A
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SW1A
Drawing on Ofcom Connected Nations 2024 premises coverage statistics, EE delivers the strongest signal in South West London. In this densely populated urban area, EE achieves an overall coverage score of 94/100 — driven by excellent 5G coverage (88%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE comfortably leads Three by 5 points overall. While Three reaches 78% 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 89 and 85 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 — SW1A
Q2
Is 5G available in SW1A?
EE provides excellent 5G coverage at 88%. Three follows at 78%.
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 89/100 in SW1A (77% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.