Tresham mobile coverage Vodafone 29% indoors here, 92% across Gloucester GL9 · Cotswold
EE has the best measured coverage in GL9: 99/100, 13 points ahead of O2 on Ofcom's overall score.
GL9: Tresham, Sodbury, Sopworth, Badminton, Didmarton, Hillesley, Tormarton, Hawkesbury (Cotswold, South Gloucestershire, Stroud).
GL9 scores
Ofcom Mobile Coverage data (May 2025), measured across 45 addresses in 6 sampled postcodes: GL9 1AA, GL9 1AD, GL9 1AJ, GL9 1DG, GL9 1DL, GL9 1EH. Methodology.
How GL9 compares
Against the Gloucester average
- Vodafone indoors: 29% here, 92% across Gloucester (−63).
- O2 indoors: 29% here, 89% across Gloucester (−60).
- Three indoors: 29% here, 88% across Gloucester (−59).
- O2 on 5G-grade outdoor signal: 89% here, 99% across Gloucester (−10).
Lowest indoor figure of the 8 Gloucester districts sampled, for O2, Three and Vodafone.
Lowest 5g-grade outdoor figure of the 8 Gloucester districts sampled, for O2.
Indoor signal around GL9
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| GL9 Tresham (here) | – | 96% | 29% | 29% | 29% |
| GL8 Tetbury, Sherston | 13 | 100% | 79% | 100% | 98% |
| GL5 Thrupp, Chalford | 21 | 100% | 92% | 100% | 77% |
| GL6 Thrupp, Chalford small sample | 21 | 78% | 65% | 96% | 35% |
| GL2 Coaley, Hardwicke | 32 | 100% | 100% | 99% | 100% |
| Gloucester average | – | 94% | 89% | 88% | 92% |
Biggest difference nearby: Three indoors, 29% here and 100% in GL8 Tetbury, 13 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: EE leads this page on Ofcom's data alone.
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