AL5 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 1,036 postcodes across 5 sectors in St Albans.
Gigabit
91%
Superfast
98%
Postcodes
1,036
AL5 is Central Bedfordshire's connectivity leader with 1,036 postcodes: 97.7% superfast, 91.2% gigabit, and just 0.2% below 10 Mbps.
Broadband speeds in AL5
Share of AL5 premises by the fastest download speed available, averaged across all 1,036 postcodes in the district.
AL5 represents infrastructure at scale and depth across Central Bedfordshire. Gigabit availability reaches 91.2% of postcodes, an exceptional penetration rate. Superfast coverage is near-universal at 97.7%, leaving almost no address without access to minimum modern speeds. Of those connected, 91.2% sit at gigabit levels (300 Mbps and above), another 6.5% occupy the 30 to 300 Mbps tier, and just 0.2% fall below 10 Mbps. Almost no one faces below-universal service obligation constraints (under 0.1%). AL5 is a rare example of extensive, modern infrastructure rollout at scale. Speed will not be a limiting factor for home working, streaming, or any typical household use.
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
AL5 splits into 5 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 |
|---|---|---|---|---|
| AL5 1 | 189 | 97% | TBC | 90% |
| AL5 2 | 237 | 97% | TBC | 81% |
| AL5 3 | 139 | 98% | TBC | 91% |
| AL5 4 | 249 | 98% | TBC | 95% |
| AL5 5 | 222 | 99% | TBC | 96% |
All AL5 1 postcodes (189)
All AL5 2 postcodes (237)
All AL5 3 postcodes (139)
All AL5 4 postcodes (249)
All AL5 5 postcodes (222)
Best deals
Compare broadband deals in AL5
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Living in St Albans
AL5 represents top-tier suburban connectivity. Speed will not be a limiting factor for home working, streaming, or any typical household use.
Remote worker score
55/100
Connectivity and amenities for home working
Family score
50/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
AL5 broadband FAQs
What's the gigabit availability in AL5?
91.2% of postcodes, among the highest in this sample.
Is anyone left behind in AL5?
Just 0.2% below 10 Mbps, effectively no one.
How many postcodes fall within AL5?
1,036 postcodes across the outward code.
Can I assume gigabit at my AL5 address?
91.2% qualify, so it is likely, but confirm with your provider for certainty.
Neighbouring districts
Check your exact postcode
Every postcode in AL5 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