SW9 DISTRICT · SOUTH WEST LONDON

Best mobile network in SW9 South West London postcode district

EE scores 95/100 — the top-ranked UK network for SW9 in South West London. 90% 5G · 100% 4G coverage. Data: Ofcom Connected Nations 2024.

RESULT · SW9 · SOUTH WEST LONDON

Coverage for SW9 district

South West London · Densely populated urban density area · SW postcode area

★ BEST OPERATOR
EE
95/100

EE delivers the strongest coverage for the SW9 district in South West London. Scored across 5G, 4G and 3G using the latest UK operator footprint data.

5G
90%
4G
100%
3G
99%

Full ranking — SW9

#1
EE
Overall: 95/100
5G
90%
4G
100%
3G
99%
#2
Three
Overall: 87/100
5G
75%
4G
100%
3G
98%
#3
O2
Overall: 87/100
5G
75%
4G
100%
3G
100%
#4
Vodafone
Overall: 86/100
5G
73%
4G
100%
3G
100%

Coverage analysis — SW9

Based on Ofcom Connected Nations 2024 data, EE outperforms rivals 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 clearly leads Three by 8 points overall. While Three reaches 75% 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.

Why EE for SW9?

EE's 5G rollout in South West London is among the strongest nationally, covering 90% of premises in the SW9 district. For anyone streaming video, gaming on mobile, or relying on a mobile hotspot at home, this level of 5G penetration makes a real difference to day-to-day speed.

The runner-up in SW9 is Three at 87/100 (75% 5G / 100% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with Three, 4G performance should still be solid.

Best phone deals from EE

Once you've found the best network for your area, here are the top EE contracts available now.

Apple Smart Benefits
iPhone 16 128GB
£35.00/mo + £30 upfront
100GB data 24-month contract
View on EE →
Apple Apple TV+
iPhone 16 Pro 256GB
£52.00/mo + £30 upfront
Unlimited data 24-month contract
View on EE →
Apple 5G Stay Fast
iPhone 16 Plus 128GB
£40.00/mo + £30 upfront
250GB data 24-month contract
View on EE →
Apple Best for budget
iPhone 16e 128GB
£25.21/mo + £30 upfront
50GB data 24-month contract
View on EE →
Samsung Free upgrade @18mo
Galaxy S25 256GB
£42.00/mo + £30 upfront
Unlimited data 24-month contract
View on EE →
Samsung Galaxy AI
Galaxy S25 Ultra 256GB
£58.00/mo + £30 upfront
Unlimited data 24-month contract
View on EE →

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 — SW9

Q1

Best network for SW9?

EE leads with 95/100 — driven by 90% 5G and 100% 4G in this densely populated urban part of South West London.

Q2

Is 5G available in SW9?

EE provides excellent 5G coverage at 90%. Three follows at 75%.

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 SW9 (75% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.

Checking mobile signal in a nearby postcode? View our network analysis for SW1, SW2, SW3 , SW4 , SW5 , SW6 , SW7 , SW8 , SW10 , SW11 , SW12 , SW13 — or browse all South West London postcode districts.

Other South West London postcode districts