Sopwell mobile coverage Vodafone 100% indoors here, 71% in AL2 nearby AL1 · St Albans
No network wins AL1 on overall coverage: all four score 100/100.
AL1: Sopwell, Verulam, Clarence, Hill End, St Peters, Cunningham, Bernards Heath, Marshalswick West.
AL1 scores
Ofcom Mobile Coverage data (May 2025), measured across 156 addresses in 6 sampled postcodes: AL1 1JN, AL1 3BF, AL1 3NX, AL1 5AY, AL1 5EE, AL1 5FQ. Methodology.
How AL1 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 AL1
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| AL1 Sopwell (here) | – | 100% | 100% | 100% | 100% |
| AL4 Marshalswick, Kimpton | 3 | 100% | 100% | 100% | 100% |
| AL2 Shenley, St Stephen | 3 | 100% | 100% | 100% | 71% |
| AL3 Harpenden, Redbourn small sample | 5 | 92% | 83% | 92% | 92% |
| AL10 Hatfield, North Mymms | 6 | 100% | 100% | 100% | 100% |
| St Albans average | – | 99% | 100% | 98% | 98% |
Biggest difference nearby: Vodafone indoors, 100% here and 71% in AL2 Shenley, 3 km away.
Small sample: under 30 addresses sampled.
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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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