HA1 DISTRICT · BRENT
Harrow mobile coverage Within 8 points of the Harrow average HA1 · Brent
No network wins HA1 on overall coverage: all four score 100/100.
HA1: Harrow, Greenhill, Headstone, Marlborough, Northwick Park, Harrow on the Hill (Brent, Harrow).
HA1 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 188 addresses in 6 sampled postcodes: HA1 1AR, HA1 1EP, HA1 1JR, HA1 1NS, HA1 1YJ, HA1 3BA. Methodology.
How HA1 compares
Every network here is within 8 points of the Harrow average and of HA2 Harrow, HA3 Kenton, HA5 Watford Rural and HA7 Canons, indoors and outdoors.
Indoor signal around HA1
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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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