SG6 DISTRICT · CENTRAL BEDFORDSHIRE
Letchworth South mobile coverage Three 32% indoors here, 92% across Stevenage SG6 · Central Bedfordshire
O2 has the best measured coverage in SG6: 100/100, 10 points ahead of Three on Ofcom's overall score, with Vodafone within 0 points.
SG6: Letchworth South, Fairfield, Wymondley, Arlesey, Letchworth Grange, Letchworth Norton, Letchworth Wilbury, Graveley, St Ippolyts (Central Bedfordshire, North Hertfordshire).
SG6 scores
#1
O2
#2
Vodafone
#3
EE
#4
Three
Ofcom Mobile Coverage data (May 2025), measured across 62 addresses in 3 sampled postcodes: SG6 1FU, SG6 1QB, SG6 3BQ. Methodology.
How SG6 compares
Against the Stevenage average
- Three indoors: 32% here, 92% across Stevenage (−60).
- EE indoors: 68% here, 84% across Stevenage (−16).
Weakest spot in Stevenage: SG4 Weston, where Three reaches 28% indoors.
Indoor signal around SG6
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| SG6 Letchworth South (here) | – | 68% | 100% | 32% | 100% |
| SG5 Stotfold, Fairfield | 4 | 100% | 100% | 100% | 100% |
| SG7 Baldock, Ashwell | 4 | 97% | 92% | 100% | 98% |
| SG15 Arlesey, Fairfield | 5 | 65% | 100% | 80% | 96% |
| SG16 Henlow, Clifton | 7 | 34% | 100% | 100% | 100% |
| Stevenage average | – | 84% | 99% | 92% | 97% |
Biggest difference nearby: Three indoors, 32% here and 100% in SG5 Stotfold, 4 km away.
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