Cippenham mobile coverage Within 8 points of the Slough average SL1 · Buckinghamshire
No network wins SL1 on overall coverage: all four score 100/100.
SL1: Cippenham, Burnham, Hedsor, Taplow, Stoke, Upton, Baylis, Chalvey (Buckinghamshire, Slough).
SL1 scores
Ofcom Mobile Coverage data (May 2025), measured across 23 addresses in 5 sampled postcodes: SL1 2UR, SL1 4BD, SL1 4HG, SL1 4SS, SL1 5BA. Methodology.
How SL1 compares
small sample 23 addresses in 5 postcodes, under the 30 needed for a firm comparison. The figures are shown, but not compared.
Weakest spot in Slough: SL9 Denham, where EE reaches 14% indoors.
Indoor signal around SL1
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| SL1 Cippenham (here) small sample | – | 100% | 100% | 100% | 100% |
| SL2 Burnham, Britwell | 2 | 100% | 100% | 100% | 100% |
| SL4 Dedworth, Bray | 5 | 100% | 90% | 100% | 100% |
| SL3 Iver, Stoke Poges | 5 | 100% | 100% | 100% | 100% |
| SL6 Bray, Bisham | 7 | 100% | 100% | 100% | 100% |
| Slough average | – | 95% | 97% | 100% | 100% |
Small sample: under 30 addresses sampled.
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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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