SA2 DISTRICT · SWANSEA
Killay mobile coverage Three 100% indoors here, 81% across Swansea SA2 · Swansea
No network wins SA2 on overall coverage: all four score 100/100.
SA2: Killay, Sketty, Cockett, Dunvant, Pennard, Uplands, Gowerton, Townhill.
SA2 scores
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EE
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O2
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Three
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Vodafone
Ofcom Mobile Coverage data (May 2025), measured across 81 addresses in 5 sampled postcodes: SA2 7AA, SA2 8JF, SA2 8NE, SA2 9BJ, SA2 9JP. Methodology.
How SA2 compares
Against the Swansea average
- Three indoors: 100% here, 81% across Swansea (+19).
- EE indoors: 100% here, 87% across Swansea (+13).
- O2 indoors: 100% here, 91% across Swansea (+9).
Weakest spot in Swansea: SA4 Llannon, where EE reaches 4% indoors.
Indoor signal around SA2
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| SA2 Killay (here) | – | 100% | 100% | 100% | 100% |
| SA5 Killay, Cockett | 4 | 100% | 98% | 32% | 100% |
| SA1 Cockett, Landore | 4 | 100% | 100% | 100% | 100% |
| SA3 Sketty, Mumbles | 6 | 66% | 65% | 57% | 67% |
| SA4 Llannon, Llwchwr | 7 | 4% | 88% | 18% | 97% |
| Swansea average | – | 87% | 91% | 81% | 95% |
Biggest difference nearby: Three indoors, 100% here and 32% in SA5 Killay, 4 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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