CF5 postcode
Broadband in CF5 6JD
St. Fagans, Cardiff
Superfast broadband covers 33.3% of premises here.
Free, independent comparison · Ofcom verified data · Updated 2 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 CF5 6JD 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 CF5 6JD.
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) | 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 CF5 6JD
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 Cardiff
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at CF5 6JD in St. Fagans? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.
Superfast coverage here stands at 33.3%. Nationally, 93% of UK premises have access. Some properties may struggle with speed.
Here is how broadband speeds break down across premises at CF5 6JD. 50% of connections fall in the 5 to 10 Mbps range. 16.7% of connections fall in the 10 to 30 Mbps range. 33.3% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
Here is how the broadband at CF5 6JD maps against common household needs. Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
FWA broadband has not reached CF5 6JD yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CF5 6JD fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CF5 6JD is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.
Outdoor 4G mobile signal at CF5 6JD is available across 95% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for CF5 6JD: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CF5 6JD is Cardiff. The immediate area is St. Fagans, a distinct community within the wider district. The CF5 postcode area contains 1424 postcodes on this site. Superfast broadband across CF5 ranges from 0% to 100%. CF5 6JD is below the area average of 99%.
When choosing a broadband provider at CF5 6JD, check what technology reaches your specific address. Availability varies by street and sometimes by building. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.
Life in St. Fagans depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering CF5 6JD? Cardiff as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. St. Fagans has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.
Data sources include Ofcom (broadband and mobile), 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. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.
Before making a decision about CF5 6JD, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
That is the full data picture for CF5 6JD in St. Fagans. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.
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 CF5 6JD
What are the broadband speeds available at CF5 6JD?
Superfast broadband (30 Mbps+) is available to 33.3% of premises at CF5 6JD.
What is the average house price near CF5 6JD?
No recent house price data is available for CF5 6JD.
What is the flood risk for properties at CF5 6JD?
CF5 6JD has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CF5 6JD area?
School data for CF5 6JD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CF5 6JD compare to other areas?
Crime data for this area is being updated.
How suitable is CF5 6JD for remote working?
CF5 6JD scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CF5 6JD?
4G outdoor coverage at CF5 6JD is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CF5 6JD?
EPC data for CF5 6JD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CF5 6JD?
Council tax band information for CF5 6JD is being updated.
How accessible are GP surgeries near CF5 6JD?
GP surgery data for CF5 6JD is being updated. Check NHS.uk for the latest.
What transport links are available near CF5 6JD?
Transport data for CF5 6JD is being updated.
Is CF5 6JD a suitable area for families?
CF5 6JD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CF5 6JD?
Air quality data for CF5 6JD is being updated.
How far is the nearest EV charging point from CF5 6JD?
EV charging data for CF5 6JD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CF5 6JD?
Full fibre availability at CF5 6JD is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CF5 6JDRemote 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
St. Fagans
District
Cardiff
Region
Constituency
LSOA
W01001729
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