Eltham mobile coverage Three 100% indoors here, 62% in SE3 nearby SE9 · Bexley
No network wins SE9 on overall coverage: all four score 100/100.
SE9: Eltham, Kidbrooke, Welling, Blackfen, Lamorbey, Progress, Sutcliffe, Longlands (Bexley, Bromley, Greenwich).
SE9 scores
Ofcom Mobile Coverage data (May 2025), measured across 109 addresses in 5 sampled postcodes: SE9 1DD, SE9 5AF, SE9 5BJ, SE9 5NS, SE9 5QD. Methodology.
How SE9 compares
Every network here is within 8 points of the South East London average, indoors and outdoors.
Weakest spot in South East London: SE3 Kidbrooke, where Three reaches 62% indoors.
Indoor signal around SE9
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| SE9 Eltham (here) | – | 100% | 100% | 100% | 100% |
| SE12 Sutcliffe, Lee Green | 2 | 100% | 100% | 100% | 100% |
| SE3 Kidbrooke, Sutcliffe | 4 | 100% | 100% | 62% | 100% |
| SE18 Glyndon, Plumstead | 5 | 100% | 100% | 100% | 100% |
| SE7 Charlton Village, Charlton Hornfair | 5 | 100% | 100% | 91% | 100% |
| South East London average | – | 100% | 100% | 97% | 100% |
Biggest difference nearby: Three indoors, 100% here and 62% in SE3 Kidbrooke, 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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