LL55 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 726 postcodes across 5 sectors in Gwynedd.
Full fibre
0%
Gigabit
73%
Superfast
93%
Postcodes
726
LL55 is Gwynedd's second-largest postcode district (726 postcodes) with strong gigabit reach (72.6%) bolstered by fixed wireless at 22.9%. Dual-technology coverage distinguishes this area.
Broadband speeds in LL55
Share of LL55 premises by the fastest download speed available, averaged across all 726 postcodes in the district.
Gigabit reaches 72.6% of LL55's 726 postcodes, a substantial outcome for a large rural area. Wireless infrastructure contributes 22.9% of postcodes, a meaningful supplementary technology. No full-fibre is recorded (0%). Superfast covers 93.3%. The speed composition splits as follows: 72.6% access 300+ Mbps (cable), 20.7% sit in the 30-300 superfast band, and 3% fall below 10 Mbps. Below-USO premises are minimal at 0.6%. LL55's substantial size and dual-technology reliance (cable plus wireless) suggest a mix of urban-fringe and dispersed rural postcodes. The relatively low 3% below-10 Mbps rate reflects effective infrastructure coverage.
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
23%
Premises that can use a fixed wireless access service
Broadband by sector
LL55 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 |
|---|---|---|---|---|
| LL55 1 | 172 | 97% | 0% | 88% |
| LL55 2 | 193 | 97% | 0% | 91% |
| LL55 3 | 122 | 86% | 0% | 39% |
| LL55 4 | 238 | 91% | 0% | 64% |
| LL55 9 | 1 | 100% | 0% | 100% |
All LL55 1 postcodes (172)
All LL55 2 postcodes (193)
All LL55 3 postcodes (122)
All LL55 4 postcodes (238)
All LL55 9 postcodes (1)
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Living in Gwynedd
LL55 demonstrates how strategic fixed wireless deployment complements cable networks in large rural districts, achieving high overall coverage and minimal slow-speed pockets.
Remote worker score
53/100
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
LL55 broadband FAQs
Why is wireless infrastructure so prevalent in LL55?
Wireless technology bridges the gap in areas where cable deployment ends, serving dispersed properties cost-effectively.
Is gigabit accessible to most LL55 residents?
Yes; 72.6% have gigabit (cable), and wireless infrastructure adds superfast (30+) alternatives to most others.
How rare is below-10 Mbps in LL55?
Only 3% of postcodes fall below 10 Mbps, one of the better outcomes for large Gwynedd districts.
How many postcodes span LL55?
LL55 comprises 726 postcodes, second only to LL53 in the batch.
Neighbouring districts
Check your exact postcode
Every postcode in LL55 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