HA3 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 1,225 postcodes across 6 sectors in Harrow.
Full fibre
0%
Gigabit
93%
Superfast
100%
Postcodes
1,225
HA3 (Brent) is the batch's second-largest postcode (1,225 premises) and achieves exceptional scale-matched gigabit: 93.2% support 300-plus speeds.
Broadband speeds in HA3
Share of HA3 premises by the fastest download speed available, averaged across all 1,225 postcodes in the district.
Brent postcode HA3 is large at 1,225 postcodes and maintains strong coverage throughout. Gigabit reaches 93.2%, cable-driven across the postcode. Superfast is near-total at 99.5%, covering virtually all premises. Only 6.3% occupy the 30-300 Mbps band, mostly older properties. 0.1% fall below 10 Mbps. This is a significant postcode sustaining high gigabit penetration across a large urban footprint. Metropolitan density and cable-fibre network investment drive this coverage level. The absence of a slow tail is significant for a postcode this geographic size.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
0%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
0%
Premises that can use a fixed wireless access service
Broadband by sector
HA3 splits into 6 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| HA3 0 | 214 | 100% | 0% | 94% |
| HA3 5 | 166 | 99% | 0% | 98% |
| HA3 6 | 212 | 98% | 0% | 87% |
| HA3 7 | 219 | 100% | 0% | 91% |
| HA3 8 | 200 | 99% | 0% | 96% |
| HA3 9 | 214 | 100% | 0% | 93% |
All HA3 0 postcodes (214)
All HA3 5 postcodes (166)
All HA3 6 postcodes (212)
All HA3 7 postcodes (219)
All HA3 8 postcodes (200)
All HA3 9 postcodes (214)
Best deals
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Living in Harrow
HA3 is a template for urban gigabit distribution. Broadband speed is not a moving consideration.
Crime per month
1
Average recorded crimes per local statistical area
Remote worker score
55/100
Connectivity and amenities for home working
Family score
51/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
HA3 broadband FAQs
Does HA3's size (1,225 postcodes) affect gigabit reliability?
No. Large scale with 93.2% gigabit is actually reassuring; it's not a cherry-picked cluster but a working neighbourhood.
What share of HA3 can access gigabit?
93.2% of the large area. It's exceptionally high at this scale.
Are any HA3 postcodes problematic for broadband?
Only 0.1% fall below 10 Mbps, and 0.1% miss universal service thresholds. It's virtually absent.
Why is HA3 faster on gigabit than HA0 and HA1?
Brent postcode consolidation and mature cable duopoly in this specific cluster. HA3 reflects the denser Harrow-Brent boundary.
Neighbouring districts
Check your exact postcode
Every postcode in HA3 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources