LL55 postcode
Broadband in LL55 1UH
Caernarfon, Gwynedd
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 5 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
HD uses ~5 Mbps per person. 4K uses ~25 Mbps.
Each person on calls needs around 10 Mbps.
Competitive gaming needs low latency as much as raw speed.
Cameras, thermostats, speakers and similar devices each use a few Mbps.
Gigabit broadband (Gigabit (1Gbps+)) is available at LL55 1UH. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at LL55 1UH.
The test downloads a 2 MB file from our server and measures how long it takes.
This test measures download speed only. Results vary depending on network conditions.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 82% | 82% | 10-20 Mbps |
| Superfast (30+ Mbps) | 82% | 82% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 82% | 82% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 82% | 82% | 900-1,000 Mbps |
Speed Distribution at LL55 1UH
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Flood risk
🟡
Flood risk: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Gwynedd
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at LL55 1UH in Caernarfon? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources.
Superfast broadband (30 Mbps+) coverage at LL55 1UH is available to most premises at 81.8%. Ultrafast (100 Mbps+) reaches 81.8% of properties. Gigabit-capable connections cover 81.8% of premises.
Next-generation access (NGA) reaches 81.8% of the area. 81.8% of connections can achieve 300 Mbps or faster.
Flood risk at LL55 1UH is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL55 1UH: remote working 50/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
Not every property at LL55 1UH gets the same speeds. Run a postcode check with each provider. Compare contract lengths and total costs, not just headline speeds.
Caernarfon offers a mix of local amenities and residential properties. The character of the area is best judged by visiting in person.
Data sources include Ofcom (broadband), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. All figures are the latest available at the time of writing.
Before making a decision, visit in person. Check the commute. Try the mobile signal indoors. Look at local shops and green spaces. Data sets the scene, but real life fills in the gaps.
This covers the key data for LL55 1UH. Broadband, property, schools, safety, and local services all in one place. Check back periodically as data updates. For area-wide trends, see the Caernarfon district page.
More local data is being added for this postcode
This page already has postcode-specific content, and more data-backed sections will appear as the remaining local datasets finish processing.
Frequently asked questions about LL55 1UH
What are the broadband speeds available at LL55 1UH?
Superfast broadband (30 Mbps+) is available to 81.8% of premises at LL55 1UH. Ultrafast coverage is at 81.8%.
What is the average house price near LL55 1UH?
No recent house price data is available for LL55 1UH.
What is the flood risk for properties at LL55 1UH?
LL55 1UH has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL55 1UH area?
School data for LL55 1UH is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL55 1UH compare to other areas?
Crime data for this area is being updated.
How suitable is LL55 1UH for remote working?
LL55 1UH scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL55 1UH?
Mobile coverage data for LL55 1UH is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL55 1UH?
EPC data for LL55 1UH is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL55 1UH?
Council tax band information for LL55 1UH is being updated.
How accessible are GP surgeries near LL55 1UH?
GP surgery data for LL55 1UH is being updated. Check NHS.uk for the latest.
What transport links are available near LL55 1UH?
Transport data for LL55 1UH is being updated.
Is LL55 1UH a suitable area for families?
LL55 1UH scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL55 1UH?
Air quality data for LL55 1UH is being updated.
How far is the nearest EV charging point from LL55 1UH?
EV charging data for LL55 1UH is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL55 1UH?
Ultrafast broadband (100 Mbps+) reaches 81.8% of premises. Full fibre status may vary by provider. Check Openreach and local operators for FTTP availability.
Area suitability scores
LL55 1UHRemote Worker
50Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Caernarfon
District
Gwynedd
Region
Constituency
LSOA
W01000059
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