EC4A DISTRICT · CITY OF LONDON
St James's mobile coverage Within 8 points of the Central London average EC4A · City of London
No network wins EC4A on overall coverage: all four score 100/100.
EC4A: St James's, Clerkenwell, Castle Baynard, Farringdon Within, Farringdon Without (City of London, Islington, Westminster).
EC4A 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 28 addresses in 5 sampled postcodes: EC4A 1AA, EC4A 1DE, EC4A 1LR, EC4A 2HD, EC4A 3DL. Methodology.
How EC4A compares
small sample 28 addresses in 5 postcodes, under the 30 needed for a firm comparison. The figures are shown, but not compared.
Indoor signal around EC4A
| District | km away | EE | O2 | Three | Vodafone |
|---|---|---|---|---|---|
| EC4A St James's (here) small sample | – | 100% | 100% | 100% | 100% |
| EC1V Hoxton, Bunhill | 1 | 100% | 100% | 100% | 100% |
| EC2N Cornhill, Walbrook small sample | 2 | 100% | 100% | 100% | 100% |
| EC2A Bunhill, Shoreditch | 2 | 100% | 100% | 100% | 100% |
| Central London average | – | 100% | 100% | 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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