Gloucester mobile coverage EE strongest indoors, 94% vs Three 88% GL postcode area
No network wins Gloucester on overall coverage: all four are within 1 point, but indoors EE reaches 94% of sampled addresses and Three 88%.
Gloucester as a whole
Ofcom Mobile Coverage data (May 2025), measured across 893 addresses in 51 sampled postcodes, pooled from 9 districts. Methodology.
What differs inside Gloucester
Where the networks split most
- GL7 Cerney, Fairford, Kemble: indoors Vodafone 99%, Three 32%.
- GL9 Tresham, Sodbury, Sopworth: indoors EE 96%, O2, Three and Vodafone 29%.
- GL5 Thrupp, Chalford, Cainscross: indoors EE and Three 100%, Vodafone 77%.
Each network's weakest and strongest district
| Network | Indoor | 5G-grade outdoor |
|---|---|---|
| EE | 50% in GL7 Cerney; 100% in 6 districts | within 8 points |
| O2 | 29% in GL9 Tresham; 100% in 4 districts | 89% in GL9 Tresham; 100% in 7 districts |
| Three | 29% in GL9 Tresham; 100% in 4 districts | within 8 points |
| Vodafone | 29% in GL9 Tresham; 100% in 4 districts | within 8 points |
Middle of the area against its edges
The 2 districts nearest the middle (GL4 Birdlip, GL5 Thrupp) against the 2 furthest out (GL7 Cerney, GL9 Tresham):
- Three indoors: 100% in the middle, 31% at the edges.
- EE indoors: 100% in the middle, 64% at the edges.
- O2 indoors: 97% in the middle, 69% at the edges.
- Vodafone indoors: 91% in the middle, 77% at the edges.
District by district
| District | Places | Indoor, low to high | 5G-grade outdoor, low to high | Addresses |
|---|---|---|---|---|
| GL1 | Quedgeley, Barton, Wotton | 100% on all four | 100% on all four | 84 |
| GL2 | Coaley, Hardwicke, Innsworth | Three 99%; the rest 100% | 100% on all four | 142 |
| GL3 | Brockworth, Innsworth, Badgeworth | Three 99%; the rest 100% | 100% on all four | 73 |
| GL4 | Birdlip, Cranham, Coberley | 100% on all four | 100% on all four | 157 |
| GL5 | Thrupp, Chalford, Cainscross | Vodafone 77%; EE and Three 100% | 100% on all four | 100 |
| GL6 | Thrupp, Chalford, Ruscombe | Vodafone 35%; Three 96% | 100% on all four | 23 small sample |
| GL7 | Cerney, Fairford, Kemble | Three 32%; Vodafone 99% | 100% on all four | 101 |
| GL8 | Tetbury, Sherston, Ashley | O2 79%; EE and Three 100% | 100% on all four | 168 |
| GL9 | Tresham, Sodbury, Sopworth | O2, Three and Vodafone 29%; EE 96% | O2 89%; the rest 100% | 45 |
Marked small sample: under 30 addresses sampled. Listed, but left out of the comparisons above.
Guide: Best Mobile Network in Gloucester (2026): GL1 to GL9 Compared
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