City mobile coverage Three 88% indoors here, 100% across Sheffield S9 · Sheffield
No network wins S9 on overall coverage: all four are within 2 points, but indoors O2 and Vodafone reach 100% of sampled addresses and Three 88%.
S9: City, Darnall, Burngreave, Shiregreen, Brightside.
S9 scores
Ofcom Mobile Coverage data (May 2025), measured across 81 addresses in 6 sampled postcodes: S9 1BZ, S9 2DD, S9 2LU, S9 5AS, S9 5DE, S9 5EU. Methodology.
How S9 compares
Against the Sheffield average
- Three indoors: 88% here, 100% across Sheffield (−12).
Weakest spot in Sheffield: S17 Holmesfield, where O2 reaches 81% indoors.
Lowest indoor figure of the 17 Sheffield districts sampled, for Three.
Indoor signal around S9
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| S9 City (here) | – | 99% | 100% | 88% | 100% |
| S4 City, Darnall | 2 | 94% | 100% | 100% | 100% |
| S2 City, Darnall | 4 | 100% | 100% | 100% | 100% |
| S3 City, Walkley | 4 | 100% | 100% | 100% | 100% |
| S5 Ecclesfield, Southey | 4 | 100% | 100% | 100% | 100% |
| Sheffield average | – | 98% | 98% | 100% | 98% |
Biggest difference nearby: Three indoors, 88% here and 100% in S4 City, 2 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: Ofcom separates no network here.
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