Chepping Wycombe mobile coverage EE 59% indoors here, 89% across Hemel Hempstead HP11 · Buckinghamshire
Three has the best measured coverage in HP11: 100/100, 6 points ahead of EE on Ofcom's overall score, with Vodafone within 0 points.
HP11: Chepping Wycombe, Marsh, Booker, Cressex, Oakridge, Loudwater, Castlefield, Micklefield (Buckinghamshire).
HP11 scores
Ofcom Mobile Coverage data (May 2025), measured across 41 addresses in 4 sampled postcodes: HP11 1AA, HP11 1BL, HP11 1QS, HP11 2JZ. Methodology.
How HP11 compares
Against the Hemel Hempstead average
- EE indoors: 59% here, 89% across Hemel Hempstead (−30).
Weakest spot in Hemel Hempstead: HP17 Haddenham, where O2 reaches 15% indoors.
Indoor signal around HP11
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| HP11 Chepping Wycombe (here) | – | 59% | 90% | 100% | 100% |
| HP13 Downley, Hughenden | 1 | 75% | 100% | 92% | 100% |
| HP12 Downley, West Wycombe | 2 | 92% | 100% | 100% | 100% |
| HP10 Hazlemere, Beaconsfield | 4 | 100% | 100% | 100% | 100% |
| HP15 Hazlemere, Hughenden | 5 | 29% | 100% | 100% | 89% |
| Hemel Hempstead average | – | 89% | 92% | 96% | 93% |
Biggest difference nearby: EE indoors, 59% here and 75% in HP13 Downley, 1 km away.
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iD Mobile runs on Three's network: £6 a month for 15GB (read 19 October 2026). A price, not a coverage ranking: Three leads this page on Ofcom's data alone.
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