AL10 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 751 postcodes across 3 sectors in Welwyn Hatfield.
Gigabit
82%
Superfast
97%
Postcodes
751
AL10 in Welwyn Hatfield hosts 751 postcodes with elite connectivity: 96.6% superfast and 84.4% gigabit, but a small below-10Mbps tail of 0.7%.
Broadband speeds in AL10
Share of AL10 premises by the fastest download speed available, averaged across all 751 postcodes in the district.
Infrastructure quality is exceptionally high in AL10. Gigabit speeds reach 84.4% of postcodes, predominantly via fibre or cable deployment. Superfast coverage spans 96.6%, nearly complete. The speed profile is heavily skewed toward high speeds: 84.4% at gigabit levels (300 Mbps and above), 12.3% in the 30 to 300 Mbps range, and only 0.7% below 10 Mbps. No postcodes fall below universal service obligation thresholds. The small 0.7% tail of slower speeds likely represents postcodes where older infrastructure persists despite the modern deployment around them. Almost no one in AL10 faces speed constraints.
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
AL10 splits into 3 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 |
|---|---|---|---|---|
| AL10 0 | 233 | 98% | TBC | 75% |
| AL10 8 | 256 | 97% | TBC | 91% |
| AL10 9 | 262 | 95% | TBC | 78% |
All AL10 0 postcodes (233)
All AL10 8 postcodes (256)
All AL10 9 postcodes (262)
Best deals
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Living in Welwyn Hatfield
AL10 is a premium connectivity zone. Whether the infrastructure is cable, fibre, or mixed, speeds support demanding use cases without concern.
Remote worker score
54/100
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
AL10 broadband FAQs
What percentage of AL10 reaches gigabit?
84.4% of postcodes qualify for gigabit speeds.
Is anyone in AL10 stuck below 10 Mbps?
Fewer than 1% of postcodes dip to sub-10Mbps speeds.
How common is the 30 to 300 Mbps range in AL10?
12.3% of postcodes, a small fraction compared to the gigabit majority.
Can I reliably work from home in AL10?
Almost certainly. Request a speed check for your postcode to confirm, but odds are heavily in your favour.
Neighbouring districts
Check your exact postcode
Every postcode in AL10 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