Q1
Best network for SL4?
EE leads with 92/100 — driven by 84% 5G and 100% 4G in this densely populated urban part of Slough.
SL4 DISTRICT · SLOUGH
Best mobile network in SL4 Slough postcode district
Comparing EE, Vodafone, O2 and Three across 5G · 4G · 3G for the SL4 postcode district in Slough.
RESULT · SL4 · SLOUGH
Coverage for SL4 district
★ BEST OPERATOR
EE
92/100
EE delivers the strongest coverage for the SL4 district in Slough. Scored across 5G, 4G and 3G using the latest UK operator footprint data.
Full ranking — SL4
#1
EE
#2
Three
#3
O2
#4
Vodafone
Coverage analysis — SL4
According to Ofcom's December 2024 Connected Nations report, EE outperforms rivals in Slough. In this densely populated urban area, EE achieves an overall coverage score of 92/100 — driven by strong 5G coverage (84%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
EE clearly leads Three by 3 points overall. While Three reaches 78% on 5G and 100% on 4G in Slough, it falls short of EE's combined performance across all bands. O2 and Vodafone round out the field at 86 and 86 respectively.
Best phone deals from EE
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Explore the Slough area
View full coverage analysis for the Slough (SL) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — SL4
Q2
Is 5G available in SL4?
EE provides strong 5G coverage at 84%. 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 86/100 in SL4 (72% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.