Sketty mobile coverage Vodafone 67% indoors here, 95% across Swansea SA3 · Swansea
No network wins SA3 on overall coverage: all four are within 1 point, but indoors Vodafone reaches 67% of sampled addresses and Three 57%.
SA3: Sketty, Mumbles, Pennard, Bishopston, Llansamlet, Ilston, Penrice, Cheriton.
SA3 scores
Ofcom Mobile Coverage data (May 2025), measured across 129 addresses in 5 sampled postcodes: SA3 2AA, SA3 3AQ, SA3 3DE, SA3 3EH, SA3 3JR. Methodology.
How SA3 compares
Against the Swansea average
- Vodafone indoors: 67% here, 95% across Swansea (−28).
- O2 indoors: 65% here, 91% across Swansea (−26).
- Three indoors: 57% here, 81% across Swansea (−24).
- EE indoors: 66% here, 87% across Swansea (−21).
Weakest spot in Swansea: SA4 Llannon, where EE reaches 4% indoors.
Lowest indoor figure of the 9 Swansea districts sampled, for O2 and Vodafone.
Indoor signal around SA3
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| SA3 Sketty (here) | – | 66% | 65% | 57% | 67% |
| SA2 Killay, Sketty | 6 | 100% | 100% | 100% | 100% |
| SA1 Cockett, Landore | 9 | 100% | 100% | 100% | 100% |
| SA5 Killay, Cockett | 9 | 100% | 98% | 32% | 100% |
| SA4 Llannon, Llwchwr | 10 | 4% | 88% | 18% | 97% |
| Swansea average | – | 87% | 91% | 81% | 95% |
Biggest difference nearby: Three indoors, 57% here and 100% in SA2 Killay, 6 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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