LL20 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 378 postcodes across 2 sectors in Denbighshire.
Full fibre
0%
Gigabit
51%
Superfast
90%
Postcodes
378
LL20 is a small Denbighshire district of 378 postcodes where broadband is fragmented. Half the area achieves gigabit, but a material fraction lag below modern standards.
Broadband speeds in LL20
Share of LL20 premises by the fastest download speed available, averaged across all 378 postcodes in the district.
LL20 shows mixed outcomes. Gigabit reaches 50.6%, respectable but well below surrounding LL postcodes, whilst superfast is 90.4%. Below-USO climbs to 1.3%, and 5.8% fall below 10 Mbps, a material underserved fraction. 4G/5G covers only 29.8%, suggesting minimal mobile infrastructure investment. Speed distribution confirms the gaps: 39.8% sit in the 30-300 Mbps band, nearly double the share seen in stronger nearby postcodes, indicating reliance on older cable or copper lines. This postcode cluster appears to sit between infrastructure investment waves, receiving neither extensive fibre nor strong 4G/5G rollout.
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
1%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
30%
Premises that can use a fixed wireless access service
Broadband by sector
LL20 splits into 2 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 |
|---|---|---|---|---|
| LL20 7 | 215 | 87% | 0% | 71% |
| LL20 8 | 163 | 95% | 0% | 24% |
All LL20 7 postcodes (215)
All LL20 8 postcodes (163)
Best deals
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Living in Denbighshire
Households in LL20 should approach cautiously. While half may reach gigabit, the other half face older networks and the 5.8% below-10 cohort risk genuine service gaps.
Remote worker score
52/100
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
LL20 broadband FAQs
Why does LL20 lag neighboring postcodes?
Limited fixed wireless at 29.8% and no apparent cable or fibre dominance suggest LL20 sits between rollout zones. Infrastructure investment may be pending or deprioritised.
What's the reality for the 5.8% below 10 Mbps here?
Aging copper lines or gaps in fixed wireless coverage. These postcodes may struggle with streaming or remote work without an upgrade scheme.
Are broadband improvements planned for LL20?
Not visible in current data. If you need reliable gigabit, check your specific postcode before committing; verify with Ofcom and your provider.
Is LL20 rural or urban?
The mixed speeds and low fixed wireless suggest semi-rural terrain. Dispersed postcodes may make universal rollout costly, explaining lower investment priority.
Neighbouring districts
Check your exact postcode
Every postcode in LL20 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