HP3 DISTRICT · DACORUM
Sarratt mobile coverage EE 100% indoors here, 89% across Hemel Hempstead HP3 · Dacorum
No network wins HP3 on overall coverage: all four score 100/100.
HP3: Sarratt, Nash Mills, Kings Langley, Abbots Langley, Flaunden, Bovingdon, St Michael, Apsley (Dacorum, St Albans, Three Rivers).
HP3 scores
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EE
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O2
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Three
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Vodafone
Ofcom Mobile Coverage data (May 2025), measured across 94 addresses in 4 sampled postcodes: HP3 0FJ, HP3 9AD, HP3 9QS, HP3 9SD. Methodology.
How HP3 compares
Against the Hemel Hempstead average
- EE indoors: 100% here, 89% across Hemel Hempstead (+11).
- O2 indoors: 100% here, 92% across Hemel Hempstead (+8).
Weakest spot in Hemel Hempstead: HP17 Haddenham, where O2 reaches 15% indoors.
Indoor signal around HP3
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| HP3 Sarratt (here) | – | 100% | 100% | 100% | 100% |
| HP1 Bovingdon, Berkhamsted | 3 | 100% | 98% | 95% | 100% |
| HP2 Adeyfield, Redbourn | 3 | 100% | 100% | 100% | 100% |
| HP4 Berkhamsted, Aldbury | 8 | 87% | 97% | 87% | 100% |
| HP5 Chesham, Amersham | 10 | 100% | 100% | 100% | 100% |
| Hemel Hempstead average | – | 89% | 92% | 96% | 93% |
Biggest difference nearby: EE indoors, 100% here and 87% in HP4 Berkhamsted, 8 km away.
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1pMobile runs on EE's network: £5 a month for 5GB (read 19 October 2026). A price, not a coverage ranking: Ofcom separates no network here.
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