SR POSTCODE AREA · 8 DISTRICTS SAMPLED
Sunderland mobile coverage O2 strongest indoors, 100% vs EE 94% SR postcode area
No network wins Sunderland on overall coverage: all four are within 1 point, but indoors O2 reaches 100% of sampled addresses and EE 94%.
Sunderland as a whole
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O2
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Vodafone
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EE
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Three
Ofcom Mobile Coverage data (May 2025), measured across 1,023 addresses in 46 sampled postcodes, pooled from 8 districts. Methodology.
What differs inside Sunderland
Where the networks split most
- SR8 Horden, Shotton, Peterlee: indoors EE and O2 100%, Three 58%.
- SR6 Cleadon, Fulwell, Marsden: indoors O2 and Vodafone 100%, EE 62%.
Each network's weakest and strongest district
| Network | Indoor |
|---|---|
| EE | 62% in SR6 Cleadon; 100% in 6 districts |
| Three | 58% in SR8 Horden; 100% in 6 districts |
| Vodafone | 77% in SR8 Horden; 100% in 7 districts |
Middle of the area against its edges
The 2 districts nearest the middle (SR2 Burdon, SR3 Burdon) against the 2 furthest out (SR6 Cleadon, SR8 Horden):
- Three indoors: 100% in the middle, 80% at the edges.
- EE indoors: 97% in the middle, 78% at the edges.
- Vodafone indoors: 100% in the middle, 90% at the edges.
District by district
| District | Places | Indoor, low to high | Addresses |
|---|---|---|---|
| SR1 | Hendon, Millfield, St Michael's | 100% on all four | 105 |
| SR2 | Burdon, Barnes, Hendon | EE 93%; the rest 100% | 185 |
| SR3 | Burdon, Warden Law, Barnes | 100% on all four | 188 |
| SR4 | Barnes, Pallion, Sandhill | 100% on all four | 127 |
| SR5 | Washington, Cleadon, Doxford | 100% on all four | 68 |
| SR6 | Cleadon, Fulwell, Marsden | EE 62%; O2 and Vodafone 100% | 136 |
| SR7 | Hetton, Murton, Seaham | 100% on all four | 114 |
| SR8 | Horden, Shotton, Peterlee | Three 58%; EE and O2 100% | 100 |
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