Q1
Best network for SM11?
EE leads with 88/100 — driven by 77% 5G and 99% 4G in this suburban part of Sutton.
SM11 DISTRICT · SUTTON
Best mobile network in SM11 Sutton postcode district
EE scores 88/100 — the top-ranked UK network for SM11 in Sutton. 77% 5G · 99% 4G coverage. Data: Ofcom Connected Nations 2024.
RESULT · SM11 · SUTTON
Coverage for SM11 district
★ BEST OPERATOR
EE
88/100
EE delivers the strongest coverage for the SM11 district in Sutton. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SM11
#1
EE
#2
O2
#3
Three
#4
Vodafone
Coverage analysis — SM11
According to Ofcom's December 2024 Connected Nations report, EE scores highest across Sutton. In this suburban area, EE achieves an overall coverage score of 88/100 — driven by strong 5G coverage (77%) and rock-solid 4G at 99%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE noticeably leads O2 by 7 points overall. While O2 reaches 63% on 5G and 100% on 4G in Sutton, it falls short of EE's combined performance across all bands. Three and Vodafone round out the field at 79 and 76 respectively.
Why EE for SM11?
EE has made solid 5G inroads across Sutton, reaching 77% of premises in SM11. While not blanket coverage, most streets and town centres are covered — and 4G fallback at 99% keeps reliability high throughout.
The runner-up in SM11 is O2 at 81/100 (63% 5G / 100% 4G). The margin is noticeable but not enormous. EE edges ahead on 5G depth; if your plan is with O2, 4G performance should still be solid.
Best phone deals from EE
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Explore the Sutton area
View full coverage analysis for the Sutton (SM) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SM11
Q2
Is 5G available in SM11?
EE provides strong 5G coverage at 77%. O2 follows at 63%.
Q3
Which network has the best 4G?
EE leads 4G too at 99%. Reliable 4G is critical in suburban areas.
Q4
Is Three worth considering?
Three scores 79/100 in SM11 (61% 5G, 98% 4G). It may suit certain tariff or price preferences despite trailing the top two.