Q1
Best network for RH5?
O2 leads with 100/100 — driven by 100% 5G and 100% 4G in this suburban part of Redhill.
RH5 DISTRICT · GUILDFORD
Best mobile network in Dorking RH5 · Guildford
O2 scores 100/100 — the best measured network for RH5 in Redhill, 5 points clear of the weakest. 100% 5G-grade · 100% 4G. Ofcom Mobile Coverage data (May 2025), measured across 90 addresses in 6 sampled postcodes.
The RH5 district covers Dorking, Ewhurst, Headley and Warnham, in Guildford. Signal varies street by street — scan your exact postcode below.
RESULT · RH5 · REDHILL
Coverage for RH5 district
★ BEST MEASURED
O2
100/100
O2 has the strongest measured coverage for the RH5 district in Redhill, 5 points clear of the weakest network in Ofcom's data.
Full ranking — RH5
#1
O2
#2
Vodafone
#3
Three
#4
EE
Coverage analysis — RH5
Comparing Ofcom-measured operator coverage, O2 comes out on top for Redhill. In this suburban area, O2 achieves an overall coverage score of 100/100 — driven by excellent 5G coverage (100%) and rock-solid 4G at 100%. 5G and 4G scores are closely matched, reflecting a mature, stable network.
O2 clearly leads Vodafone by 3 points overall. While Vodafone reaches 100% on 5G and 100% on 4G in Redhill, it falls short of O2's combined performance across all bands. Three and EE round out the field at 96 and 95 respectively.
Why O2 for RH5?
O2's 5G rollout in Redhill is among the strongest nationally, covering 100% of premises in the RH5 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 RH5 is Vodafone at 97/100 (100% 5G / 100% 4G). It is a close contest — both operators deliver strong coverage in RH5, and your choice may come down to tariff, handset preference, or existing contract.
Switching to O2 in Dorking
O2 has the strongest measured signal here — 100/100, with 100% 5G-grade and 100% 4G coverage across Dorking, Ewhurst, Headley and Warnham, 5 points clear of the weakest. A cheaper plan on a network that does not reach your street costs more than it saves, so start from the coverage and pick the plan second.
Some links on this page are affiliate links. If you switch through one we may be paid a commission. It never changes which network we rank first - that comes from Ofcom coverage data alone.
Explore the Redhill area
View full coverage analysis for the Redhill (RH) area, or enter any UK postcode in the scanner above for a personalised result.
Coverage FAQ — RH5
Q2
Is 5G available in RH5?
O2 provides excellent 5G coverage at 100%. Vodafone follows at 100%.
Q3
Which network has the best 4G?
O2 leads 4G too at 100%. Reliable 4G is critical in suburban areas.
Q4
Is Three worth considering?
Three scores 96/100 in RH5 (100% 5G, 100% 4G). It may suit certain tariff or price preferences despite trailing the top two.