HP12 DISTRICT · BUCKINGHAMSHIRE
Downley mobile coverage O2 100% indoors here, 92% across Hemel Hempstead HP12 · Buckinghamshire
No network wins HP12 on overall coverage: all four are within 1 point, but indoors O2, Three and Vodafone reach 100% of sampled addresses and EE 92%.
HP12: Downley, West Wycombe, Sands, Booker, Cressex, Oakridge, Lane End, Castlefield (Buckinghamshire).
HP12 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 195 addresses in 6 sampled postcodes: HP12 3EJ, HP12 3HX, HP12 3JX, HP12 3LZ, HP12 3UH, HP12 4EZ. Methodology.
How HP12 compares
Against the Hemel Hempstead average
- O2 indoors: 100% here, 92% across Hemel Hempstead (+8).
Weakest spot in Hemel Hempstead: HP17 Haddenham, where O2 reaches 15% indoors.
Indoor signal around HP12
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| HP12 Downley (here) | – | 92% | 100% | 100% | 100% |
| HP11 Chepping Wycombe, Marsh | 2 | 59% | 90% | 100% | 100% |
| HP13 Downley, Hughenden | 3 | 75% | 100% | 92% | 100% |
| HP14 Ridgeway, Lane End | 5 | 91% | 45% | 73% | 46% |
| HP15 Hazlemere, Hughenden | 6 | 29% | 100% | 100% | 89% |
| Hemel Hempstead average | – | 89% | 92% | 96% | 93% |
Biggest difference nearby: EE indoors, 92% here and 59% in HP11 Chepping Wycombe, 2 km away.
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