Sheffield mobile coverage O2 indoors runs from 81% to 100% by district S postcode area
No network wins Sheffield on overall coverage: all four score 100/100.
Sheffield as a whole
Ofcom Mobile Coverage data (May 2025), measured across 2,169 addresses in 91 sampled postcodes, pooled from 17 districts. Methodology.
What differs inside Sheffield
Where the networks split most
- S17 Holmesfield, Dore, Barlow: indoors EE and Three 100%, O2 and Vodafone 81%.
- S12 Eckington, Birley, Beighton: indoors O2, Three and Vodafone 100%, EE 87%.
- S14 Graves Park, Gleadless Valley: indoors O2, Three and Vodafone 100%, EE 87%.
Each network's weakest and strongest district
| Network | Indoor |
|---|---|
| EE | 87% in S12 Eckington, S14 Graves Park; 100% in 13 districts |
| O2 | 81% in S17 Holmesfield; 100% in 14 districts |
| Three | 88% in S9 City; 100% in 16 districts |
| Vodafone | 81% in S17 Holmesfield; 100% in 16 districts |
Middle of the area against its edges
The 5 districts nearest the middle (S1 City, S2 City, S3 City, S7 Sharrow, S14 Graves Park) against the 5 furthest out (S5 Ecclesfield, S6 Bradfield, S17 Holmesfield, S18 Dronfield, S20 Aston cum Aughton): no network differs by 8 points or more between them.
District by district
| District | Places | Indoor, low to high | Addresses |
|---|---|---|---|
| S1 | City, Walkley | 100% on all four | 90 |
| S2 | City, Darnall, Sharrow | 100% on all four | 123 |
| S3 | City, Walkley, Broomhill | 100% on all four | 95 |
| S4 | City, Darnall, Burngreave | EE 94%; the rest 100% | 98 |
| S5 | Ecclesfield, Southey, Burngreave | 100% on all four | 121 |
| S6 | Bradfield, Ecclesfield, City | 100% on all four | 162 |
| S7 | Sharrow, Beauchief, Greenhill | O2 99%; the rest 100% | 170 |
| S8 | Eckington, Sharrow, Ridgeway | 100% on all four | 171 |
| S9 | City, Darnall, Burngreave | Three 88%; O2 and Vodafone 100% | 81 |
| S10 | City, Crookes, Fulwood | 100% on all four | 116 |
| S11 | Grindleford, Dore, Totley | 100% on all four | 102 |
| S12 | Eckington, Birley, Beighton | EE 87%; the rest 100% | 215 |
| S13 | Orgreave, Aston cum Aughton, Aughton | O2 99%; the rest 100% | 111 |
| S14 | Graves Park, Gleadless Valley | EE 87%; the rest 100% | 125 |
| S17 | Holmesfield, Dore, Barlow | O2 and Vodafone 81%; the rest 100% | 181 |
| S18 | Dronfield, Barlow, Unstone | 100% on all four | 41 |
| S20 | Aston cum Aughton, Aughton, Beighton | 100% on all four | 167 |
Guide: Best Mobile Network in Sheffield (2026): S1 to S20 Compared
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