LL31 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 278 postcodes across 1 sector in Conwy.
Full fibre
0%
Gigabit
93%
Superfast
100%
Postcodes
278
LL31 is a final-position Conwy postcode with 278 addresses where gigabit reaches 93.3%, nearly universal superfast at 99.5%, and virtually no below-10 Mbps shortfall.
Broadband speeds in LL31
Share of LL31 premises by the fastest download speed available, averaged across all 278 postcodes in the district.
LL31 closes the batch as one of the strongest performers. Gigabit at 93.3%, superfast at 99.5%, and zero USO shortfalls represent near-flawless infrastructure. 4G/5G at 70.4% is the standout figure, the highest wireless penetration in this batch. This reflects aggressive mobile operator investment in a densely populated zone. Speed distribution confirms: 93.3% above 300 Mbps, 6.2% in the 30-300 band, and 0.1% below 10 Mbps. This postcode demonstrates how 4G/5G deployment at scale, where multiple operators compete, can deliver speeds comparable to fibre-dependent urban areas.
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
70%
Premises that can use a fixed wireless access service
Broadband by sector
LL31 splits into 1 postcode sector. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| LL31 9 | 278 | 100% | 0% | 93% |
All LL31 9 postcodes (278)
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Living in Conwy
4G/5G at 70.4% is exceptional. Residents here benefit from mature, competitive mobile infrastructure alongside cable networks.
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
LL31 broadband FAQs
Why is LL31's 4G/5G coverage so high at 70.4%?
The 278 postcodes likely represent a dense urban or semi-urban Conwy settlement where mobile rollout has been complete, probably by multiple competing operators.
Can I rely on 4G/5G gigabit in LL31?
Yes. Mobile 4G/5G at 70.4% combined with 93.3% gigabit and 99.5% superfast means the technology has delivered at scale here.
How does LL31 compare to the worst Conwy codes?
LL31 at 93.3% gigabit versus LL25 at 4.5% shows a 20-fold difference, illustrating Wales's extreme broadband inequality within single postal areas.
Is LL31 representative of modern North Wales?
No. LL31 is an outlier success. In this region, LL31's 93.3% gigabit stands notably higher than typical Conwy postcodes. This reflects population density and operator investment in a medium-sized settlement.
Neighbouring districts
Check your exact postcode
Every postcode in LL31 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