RH13 DISTRICT · HORSHAM
Southwater mobile coverage Three 99% indoors here, 85% across Redhill RH13 · Horsham
No network wins RH13 on overall coverage: all four are within 1 point, but indoors O2 and Vodafone reach 100% of sampled addresses and EE 94%.
RH13: Southwater, Ashurst, Colgate, Shipley, Nuthurst, Rudgwick, Billingshurst, Lower Beeding (Horsham, Mid Sussex).
RH13 scores
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O2
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Three
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Vodafone
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EE
Ofcom Mobile Coverage data (May 2025), measured across 90 addresses in 5 sampled postcodes: RH13 0AX, RH13 9AS, RH13 9GZ, RH13 9UF, RH13 9XE. Methodology.
How RH13 compares
Against the Redhill average
- Three indoors: 99% here, 85% across Redhill (+14).
- Vodafone indoors: 100% here, 90% across Redhill (+10).
Weakest spot in Redhill: RH17 Ansty, where Three reaches 0% indoors.
Indoor signal around RH13
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| RH13 Southwater (here) | – | 94% | 100% | 99% | 100% |
| RH12 Roffey, Holbrook | 5 | 95% | 100% | 83% | 100% |
| RH14 Loxwood, Rudgwick | 11 | 90% | 96% | 72% | 30% |
| RH11 Rusper, Colgate | 12 | 100% | 100% | 100% | 100% |
| RH20 Petworth, Ashington | 15 | 96% | 71% | 78% | 59% |
| Redhill average | – | 92% | 96% | 85% | 90% |
Biggest difference nearby: Three indoors, 99% here and 83% in RH12 Roffey, 5 km away.
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