Hanningfield mobile coverage Vodafone 63% indoors here, 93% across Chelmsford CM3 · Braintree
EE has the best measured coverage in CM3: 100/100, 6 points ahead of Vodafone on Ofcom's overall score, with Three within 0 points.
CM3: Hanningfield, Sandon, Boreham, Felsted, Mayland, Runwell, Terling, Althorne (Braintree, Chelmsford, Maldon).
CM3 scores
Ofcom Mobile Coverage data (May 2025), measured across 94 addresses in 6 sampled postcodes: CM3 4AE, CM3 4EQ, CM3 4NQ, CM3 4PP, CM3 4QS, CM3 4RS. Methodology.
How CM3 compares
Against the Chelmsford average
- Vodafone indoors: 63% here, 93% across Chelmsford (−30).
- Three indoors: 100% here, 83% across Chelmsford (+17).
Weakest spot in Chelmsford: CM9 Maldon, where Three reaches 50% indoors.
Lowest indoor figure of the 9 Chelmsford districts sampled, for Vodafone.
Indoor signal around CM3
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| CM3 Hanningfield (here) | – | 100% | 96% | 100% | 63% |
| CM2 Great Baddow, Sandon | 7 | 100% | 100% | 100% | 100% |
| CM9 Maldon, Heybridge | 8 | 82% | 100% | 50% | 100% |
| CM1 Writtle, Broomfield | 9 | 100% | 100% | 100% | 100% |
| CM8 Witham, Cressing | 10 | 100% | 100% | 100% | 100% |
| Chelmsford average | – | 97% | 98% | 83% | 93% |
Biggest difference nearby: Vodafone indoors, 63% here and 100% in CM2 Great Baddow, 7 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: EE leads this page on Ofcom's data alone.
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