LL57 postcode
Broadband in LL57 4HD
Llanddeiniolen, Gwynedd
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 26 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 LL57 4HD. 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 LL57 4HD.
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) | 50% | 50% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 50% | 50% | 900-1,000 Mbps |
Speed Distribution at LL57 4HD
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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This is the area guide for LL57 4HD, located in Llanddeiniolen (Gwynedd). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point.
100% of premises at LL57 4HD can access superfast broadband. Ultrafast (100 Mbps+) reaches 50% of properties. Gigabit-capable connections cover 50% of premises.
Next-generation access (NGA) reaches 100% of the area. 50% of connections can achieve 300 Mbps or faster.
Flood risk at LL57 4HD is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL57 4HD: remote working 55/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
Broadband availability varies by provider. Check coverage tools from BT, Virgin Media, and local operators. Compare contract lengths and total costs, not just headline speeds.
Llanddeiniolen 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.
Data is a starting point. Walk the streets at different times. Test your mobile signal. Check parking, noise, and the feel of the area. Some things only a visit can reveal.
This covers the key data for LL57 4HD. Broadband, property, schools, safety, and local services all in one place. Check back periodically as data updates. For area-wide trends, see the Llanddeiniolen 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 LL57 4HD
What are the broadband speeds available at LL57 4HD?
Superfast broadband (30 Mbps+) is available to 100% of premises at LL57 4HD. Ultrafast coverage is at 50%.
What is the average house price near LL57 4HD?
No recent house price data is available for LL57 4HD.
What is the flood risk for properties at LL57 4HD?
LL57 4HD has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL57 4HD area?
School data for LL57 4HD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL57 4HD compare to other areas?
Crime data for this area is being updated.
How suitable is LL57 4HD for remote working?
LL57 4HD scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL57 4HD?
Mobile coverage data for LL57 4HD is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL57 4HD?
EPC data for LL57 4HD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL57 4HD?
Council tax band information for LL57 4HD is being updated.
How accessible are GP surgeries near LL57 4HD?
GP surgery data for LL57 4HD is being updated. Check NHS.uk for the latest.
What transport links are available near LL57 4HD?
Transport data for LL57 4HD is being updated.
Is LL57 4HD a suitable area for families?
LL57 4HD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL57 4HD?
Air quality data for LL57 4HD is being updated.
How far is the nearest EV charging point from LL57 4HD?
EV charging data for LL57 4HD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL57 4HD?
Ultrafast broadband (100 Mbps+) reaches 50% of premises. Full fibre status may vary by provider. Check Openreach and local operators for FTTP availability.
Area suitability scores
LL57 4HDRemote 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
Area info
Parish
Llanddeiniolen
District
Gwynedd
Region
Constituency
LSOA
W01000099
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