HA POSTCODE AREA · 9 DISTRICTS SAMPLED
Harrow mobile coverage All four at 100/100 in all 9 districts sampled HA postcode area
No network wins Harrow on overall coverage: all four score 100/100.
Harrow as a whole
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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 1,062 addresses in 48 sampled postcodes, pooled from 9 districts. Methodology.
What differs inside Harrow
Nothing, on Ofcom's figures: across all 9 districts sampled, no network differs by 8 points or more from one district to the next, indoors or outdoors.
District by district
| District | Places | Indoor, low to high | Addresses |
|---|---|---|---|
| HA1 | Harrow, Greenhill, Headstone | 100% on all four | 188 |
| HA2 | Harrow, Pinner, Roxeth | 100% on all four | 131 |
| HA3 | Kenton, Wealdstone, Belmont | 100% on all four | 133 |
| HA4 | Roxeth, Ruislip, Eastcote | 100% on all four | 105 |
| HA5 | Watford Rural, Pinner, Eastcote | 100% on all four | 136 |
| HA6 | Batchworth, Watford Rural, Hayling | 100% on all four | 57 |
| HA7 | Canons, Belmont, Edgware | 100% on all four | 85 |
| HA8 | Canons, Edgware, Burnt Oak | 100% on all four | 36 |
| HA9 | Wembley, Kenton, Preston | 100% on all four | 191 |
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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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