LL40 postcode
Broadband in LL40 1SD
Dolgellau, 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 LL40 1SD. 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 LL40 1SD.
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) | 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 LL40 1SD
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 LL40 1SD in Dolgellau? 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 LL40 1SD is almost universal at 100%. Ultrafast (100 Mbps+) reaches 33.3% of properties. Gigabit-capable connections cover 33.3% of premises.
Next-generation access (NGA) reaches 100% of the area. 33.3% of connections can achieve 300 Mbps or faster.
Flood risk at LL40 1SD is rated Low. Minor precautions may be worth considering.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for LL40 1SD: remote working 55/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
Not every property at LL40 1SD gets the same speeds. Run a postcode check with each provider. Compare contract lengths and total costs, not just headline speeds.
Dolgellau 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.
That is the full data picture for LL40 1SD in Dolgellau. 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 LL40 1SD
What are the broadband speeds available at LL40 1SD?
Superfast broadband (30 Mbps+) is available to 100% of premises at LL40 1SD. Ultrafast coverage is at 33.3%.
What is the average house price near LL40 1SD?
No recent house price data is available for LL40 1SD.
What is the flood risk for properties at LL40 1SD?
LL40 1SD has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the LL40 1SD area?
School data for LL40 1SD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in LL40 1SD compare to other areas?
Crime data for this area is being updated.
How suitable is LL40 1SD for remote working?
LL40 1SD scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at LL40 1SD?
Mobile coverage data for LL40 1SD is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near LL40 1SD?
EPC data for LL40 1SD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at LL40 1SD?
Council tax band information for LL40 1SD is being updated.
How accessible are GP surgeries near LL40 1SD?
GP surgery data for LL40 1SD is being updated. Check NHS.uk for the latest.
What transport links are available near LL40 1SD?
Transport data for LL40 1SD is being updated.
Is LL40 1SD a suitable area for families?
LL40 1SD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at LL40 1SD?
Air quality data for LL40 1SD is being updated.
How far is the nearest EV charging point from LL40 1SD?
EV charging data for LL40 1SD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at LL40 1SD?
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
LL40 1SDRemote 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
Dolgellau
District
Gwynedd
Region
Constituency
LSOA
W01000067
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