Hatfield mobile coverage EE 100% indoors here, 90% in AL9 nearby AL10 · Welwyn Hatfield
No network wins AL10 on overall coverage: all four score 100/100.
AL10: Hatfield, North Mymms, Welham Green, Hatfield Villages, Hatfield South West (Welwyn Hatfield).
AL10 scores
Ofcom Mobile Coverage data (May 2025), measured across 94 addresses in 6 sampled postcodes: AL10 0AZ, AL10 0LT, AL10 0SE, AL10 8DA, AL10 8DX, AL10 8HF. Methodology.
How AL10 compares
Every network here is within 8 points of the St Albans average, indoors and outdoors.
Weakest spot in St Albans: AL2 Shenley, where Vodafone reaches 71% indoors.
Indoor signal around AL10
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| AL10 Hatfield (here) | – | 100% | 100% | 100% | 100% |
| AL9 Hatfield, Essendon | 3 | 90% | 100% | 98% | 98% |
| AL4 Marshalswick, Kimpton | 5 | 100% | 100% | 100% | 100% |
| AL8 Hatfield, Handside | 5 | 100% | 100% | 100% | 100% |
| AL7 Hatfield, Haldens | 5 | 100% | 100% | 100% | 100% |
| St Albans average | – | 99% | 100% | 98% | 98% |
Biggest difference nearby: EE indoors, 100% here and 90% in AL9 Hatfield, 3 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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