LL77 postcode
Broadband in LL77 7SL
Llanddyfnan, Isle of Anglesey
Standard broadband is the main option at this postcode.
Compare Broadband Deals →Free, independent comparison · Ofcom verified data · Updated 22 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Data pending
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.
Your household needs approximately 14 Mbps. We don't have speed data for LL77 7SL yet.
Speed Test
Check your current download speed and see how it compares to what is available at LL77 7SL.
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) | 0% | 0% | 10-20 Mbps |
| Superfast (30+ Mbps) | 0% | 0% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at LL77 7SL
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 Isle of Anglesey
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near LL77 7SL
Looking at LL77 7SL in Llanddyfnan? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources.
33.3% of premises here fall below the Universal Service Obligation of 10 Mbps. Some properties still lack adequate speeds. Next-generation access (NGA) reaches 100% of the area. 0% of connections can achieve 300 Mbps or faster.
Flood risk at LL77 7SL is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL77 7SL: remote working 50/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
Llanddyfnan 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.
This covers the key data for LL77 7SL. Broadband, property, schools, safety, and local services all in one place. Check back periodically as data updates. For area-wide trends, see the Llanddyfnan 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 LL77 7SL
What are the broadband speeds available at LL77 7SL?
Broadband is available at LL77 7SL. Contact local providers for specific speed information.
What is the average house price near LL77 7SL?
No recent house price data is available for LL77 7SL.
What is the flood risk for properties at LL77 7SL?
LL77 7SL has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL77 7SL area?
School data for LL77 7SL is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL77 7SL compare to other areas?
Crime data for this area is being updated.
How suitable is LL77 7SL for remote working?
LL77 7SL scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL77 7SL?
Mobile coverage data for LL77 7SL is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL77 7SL?
EPC data for LL77 7SL is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL77 7SL?
Council tax band information for LL77 7SL is being updated.
How accessible are GP surgeries near LL77 7SL?
GP surgery data for LL77 7SL is being updated. Check NHS.uk for the latest.
What transport links are available near LL77 7SL?
Transport data for LL77 7SL is being updated.
Is LL77 7SL a suitable area for families?
LL77 7SL scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL77 7SL?
Air quality data for LL77 7SL is being updated.
How far is the nearest EV charging point from LL77 7SL?
EV charging data for LL77 7SL is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL77 7SL?
Full fibre availability at LL77 7SL is being updated. Check Openreach for the latest rollout status.
Area suitability scores
LL77 7SLRemote 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
Llanddyfnan
District
Isle of Anglesey
Region
Constituency
LSOA
W01002005
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