St Helier mobile coverage Within 8 points of the Sutton average SM5 · Reigate and Banstead
No network wins SM5 on overall coverage: all four score 100/100.
SM5: St Helier, Wallington, Carshalton, Reigate, Banstead, Clockhouse, Hackbridge, The Wrythe (Reigate and Banstead, Sutton).
SM5 scores
Ofcom Mobile Coverage data (May 2025), measured across 72 addresses in 5 sampled postcodes: SM5 2AN, SM5 2EJ, SM5 2LQ, SM5 2PT, SM5 2QX. Methodology.
How SM5 compares
Every network here is within 8 points of the Sutton average and of SM1 Sutton, SM6 Wallington, SM2 Sutton and SM3 Epsom, indoors and outdoors.
Weakest spot in Sutton: SM7 Reigate, where Three reaches 63% indoors.
Indoor signal around SM5
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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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