Harrow broadband coverage (HA)
Full-fibre, gigabit and superfast availability across every HA postcode district in Greater London — plus business broadband and leased lines.
Excellent coverage
Superfast (30Mb+)
97.4%
Ultrafast (300Mb+)
82.9%
Gigabit-capable
81.7%
Below USO (10Mb)
—
Check your exact HA postcode
Area figures average a whole postcode region — get the precise availability, full-fibre status and mobile signal for your address.
Broadband across the HA area
The HA postcode area covers Harrow and the surrounding Greater London region, spanning 10 outward-code districts. Overall fixed-broadband provision across HA is excellent: superfast reaches about 97.4% of premises and gigabit-capable connectivity is available to roughly 81.7%.
Availability is never uniform across a whole postcode area — city-centre HA districts are typically further ahead on full fibre than outlying towns and rural fringes. Use the district breakdown below to see how each HA outcode compares, then check an exact postcode for the definitive answer.
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HA districts compared
Each HA outward code ranked by size. Click a district for its full breakdown and a postcode-level check.
| District | Area | Superfast | Gigabit |
|---|---|---|---|
| HA8 | Barnet | 98.2% | 84.9% |
| HA3 | Brent | 98.7% | 89.9% |
| HA4 | Harrow | 98.8% | 90.4% |
| HA5 | Harrow | 98% | 81% |
| HA9 | Brent | 93.5% | 79.1% |
| HA2 | Harrow | 98.7% | 85.8% |
| HA1 | Brent | 93.9% | 76.4% |
| HA0 | Brent | 97.7% | 85.2% |
| HA7 | Barnet | 98.4% | 74.1% |
| HA6 | Hillingdon | 98% | 70.4% |
Business broadband & leased lines in Harrow
Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines right across the HA area. Where gigabit full fibre is live we quote ultrafast symmetric connections; everywhere else a leased line still guarantees the speed and SLA your business needs.
Get a business broadband quote in Harrow
Free and no obligation — matched to what's actually available at your postcode.
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Frequently asked questions
What broadband speeds are available in the HA postcode area (Harrow)?
Can I get full-fibre or gigabit broadband in the HA postcode area (Harrow)?
How do I check broadband at my exact address in the HA postcode area (Harrow)?
Who provides business broadband in the HA postcode area (Harrow)?
Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.