4G coverage: highest and lowest councils in South West (January 2026)
Cheltenham, Exeter and Gloucester had the joint highest 4G coverage from all four networks of South West’s 26 councils in January 2026, at 100.00%.
West Devon had the lowest, at 92.87%. The middle council, Wiltshire, had 98.38%.
1 council has no figure, and it is listed at the end with the reason.
See it on the map| Rank | Council | Value |
|---|---|---|
| =1 | Cheltenham | 100.00% |
| =1 | Exeter | 100.00% |
| =1 | Gloucester | 100.00% |
| 4 | Bristol | 99.99% |
| 5 | Plymouth | 99.98% |
| 6 | Bournemouth, Christchurch and Poole | 99.95% |
| =7 | South Gloucestershire | 99.94% |
| =7 | Swindon | 99.94% |
| 9 | Torbay | 99.65% |
| 10 | Tewkesbury | 99.43% |
| 11 | Bath and North East Somerset | 99.35% |
| 12 | North Somerset | 99.10% |
| 13 | Wiltshire | 98.38% |
| 14 | Dorset | 98.31% |
| 15 | Stroud | 98.11% |
| 16 | Somerset | 97.95% |
| 17 | Teignbridge | 97.91% |
| 18 | East Devon | 97.23% |
| 19 | Cotswold | 96.98% |
| 20 | Torridge | 96.22% |
| 21 | Cornwall | 96.09% |
| 22 | North Devon | 95.95% |
| 23 | Mid Devon | 95.34% |
| 24 | Forest of Dean | 94.28% |
| 25 | South Hams | 93.14% |
| 26 | West Devon | 92.87% |
| – | Isles of Scilly Ofcom leaves this figure blank for the Isles of Scilly. Its other 4G figures there add up to 100% without it, so no homes or businesses get 4G from all four networks. | No figure |