LL51 postcode
Broadband in LL51 9EX
Dolbenmaen, Gwynedd
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 24 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 LL51 9EX. 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 LL51 9EX.
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) | 33% | 33% | 10-20 Mbps |
| Superfast (30+ Mbps) | 33% | 33% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 33% | 33% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 33% | 33% | 900-1,000 Mbps |
Speed Distribution at LL51 9EX
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 LL51 9EX
LL51 9EX sits in Dolbenmaen, part of Gwynedd. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources.
Superfast broadband (30 Mbps+) coverage at LL51 9EX is limited at 33.3%. Ultrafast (100 Mbps+) reaches 33.3% of properties. Gigabit-capable connections cover 33.3% of premises.
Next-generation access (NGA) reaches 33.3% of the area. 33.3% of connections can achieve 300 Mbps or faster.
Flood risk at LL51 9EX is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL51 9EX: remote working 35/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
Not every property at LL51 9EX gets the same speeds. Run a postcode check with each provider. Compare contract lengths and total costs, not just headline speeds.
Dolbenmaen 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.
LL51 9EX in Dolbenmaen: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live check. Bookmark this page and check back as data refreshes.
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 LL51 9EX
What are the broadband speeds available at LL51 9EX?
Superfast broadband (30 Mbps+) is available to 33.3% of premises at LL51 9EX. Ultrafast coverage is at 33.3%.
What is the average house price near LL51 9EX?
No recent house price data is available for LL51 9EX.
What is the flood risk for properties at LL51 9EX?
LL51 9EX has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL51 9EX area?
School data for LL51 9EX is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL51 9EX compare to other areas?
Crime data for this area is being updated.
How suitable is LL51 9EX for remote working?
LL51 9EX scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL51 9EX?
Mobile coverage data for LL51 9EX is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL51 9EX?
EPC data for LL51 9EX is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL51 9EX?
Council tax band information for LL51 9EX is being updated.
How accessible are GP surgeries near LL51 9EX?
GP surgery data for LL51 9EX is being updated. Check NHS.uk for the latest.
What transport links are available near LL51 9EX?
Transport data for LL51 9EX is being updated.
Is LL51 9EX a suitable area for families?
LL51 9EX scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL51 9EX?
Air quality data for LL51 9EX is being updated.
How far is the nearest EV charging point from LL51 9EX?
EV charging data for LL51 9EX is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL51 9EX?
Ultrafast broadband (100 Mbps+) reaches 33.3% of premises. Full fibre status may vary by provider. Check Openreach and local operators for FTTP availability.
Area suitability scores
LL51 9EXRemote Worker
35Based 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
Dolbenmaen
District
Gwynedd
Region
Constituency
LSOA
W01000066
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