LL57 postcode
Broadband in LL57 3TB
Bethesda, Gwynedd
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 13 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
~30 Mbps
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.
The best available speed at LL57 3TB is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at LL57 3TB.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at LL57 3TB
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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Check Deals →Living near LL57 3TB
Bethesda is home to LL57 3TB. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and more follow.
Superfast coverage here stands at 100%. That is above the UK average of 93%.
Next-generation access (NGA) reaches 100% of the area. 0% of connections can achieve 300 Mbps or faster.
Flood risk at LL57 3TB is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL57 3TB: remote working 55/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
When choosing a broadband provider at LL57 3TB, check what technology reaches your specific address. Compare contract lengths and total costs, not just headline speeds.
Bethesda 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.
Numbers tell part of the story. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. These things do not show up in data.
That is the full data picture for LL57 3TB in Bethesda. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. If you are comparing areas, check the district hub page for wider context.
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 LL57 3TB
What are the broadband speeds available at LL57 3TB?
Superfast broadband (30 Mbps+) is available to 100% of premises at LL57 3TB.
What is the average house price near LL57 3TB?
No recent house price data is available for LL57 3TB.
What is the flood risk for properties at LL57 3TB?
LL57 3TB has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL57 3TB area?
School data for LL57 3TB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL57 3TB compare to other areas?
Crime data for this area is being updated.
How suitable is LL57 3TB for remote working?
LL57 3TB scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL57 3TB?
Mobile coverage data for LL57 3TB is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL57 3TB?
EPC data for LL57 3TB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL57 3TB?
Council tax band information for LL57 3TB is being updated.
How accessible are GP surgeries near LL57 3TB?
GP surgery data for LL57 3TB is being updated. Check NHS.uk for the latest.
What transport links are available near LL57 3TB?
Transport data for LL57 3TB is being updated.
Is LL57 3TB a suitable area for families?
LL57 3TB scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL57 3TB?
Air quality data for LL57 3TB is being updated.
How far is the nearest EV charging point from LL57 3TB?
EV charging data for LL57 3TB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL57 3TB?
Full fibre availability at LL57 3TB is being updated. Check Openreach for the latest rollout status.
Area suitability scores
LL57 3TBRemote Worker
55Based 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
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Area info
Parish
Bethesda
District
Gwynedd
Region
Constituency
LSOA
W01000071
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