CF10 postcode
Broadband in CF10 5BZ
Butetown, Cardiff
Superfast broadband covers 27.1% of premises here.
Free, independent comparison · Ofcom verified data · Updated 9 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 CF10 5BZ 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 CF10 5BZ.
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) | 27% | 27% | 10-20 Mbps |
| Superfast (30+ Mbps) | 27% | 27% | 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 CF10 5BZ
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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This is the area guide for CF10 5BZ, located in Butetown (Cardiff). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast coverage here stands at 27.1%. Nationally, 93% of UK premises have access. Some properties may struggle with speed.
Looking at the full speed profile for CF10 5BZ gives a better picture of what to expect. 68.8% of connections fall in the 5 to 10 Mbps range. 27.1% 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 CF10 5BZ 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. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup.
100% of properties at CF10 5BZ can get Fixed Wireless Access broadband. This can be a useful alternative where fibre rollout is incomplete. FWA coverage is strong here. Providers like Three and EE offer home broadband over their mobile networks.
The USO guarantees every UK home at least 10 Mbps. At CF10 5BZ, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 27.1% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CF10 5BZ 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 CF10 5BZ 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 CF10 5BZ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CF10 5BZ is Cardiff. The immediate area is Butetown, a distinct community within the wider district. The CF10 postcode area contains 566 postcodes on this site. Superfast broadband across CF10 ranges from 0% to 100%. CF10 5BZ is below the area average of 80%.
How does CF10 5BZ compare to its neighbours? CF10 5AY (0.03 miles, butetown) has 100% superfast coverage and 0% gigabit. CF10 5AN (0.05 miles, butetown) has 100% superfast coverage and 0% gigabit. Neighbouring postcodes tend to have better superfast coverage.
When choosing a broadband provider at CF10 5BZ, 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.
Every part of Butetown has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Pulling the data together for CF10 5BZ, here is what stands out. 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. Butetown 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.
Data is a starting point for Butetown. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
That is the full data picture for CF10 5BZ in Butetown. 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 CF10 5BZ
What are the broadband speeds available at CF10 5BZ?
Superfast broadband (30 Mbps+) is available to 27.1% of premises at CF10 5BZ.
What is the average house price near CF10 5BZ?
No recent house price data is available for CF10 5BZ.
What is the flood risk for properties at CF10 5BZ?
CF10 5BZ has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CF10 5BZ area?
School data for CF10 5BZ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CF10 5BZ compare to other areas?
Crime data for this area is being updated.
How suitable is CF10 5BZ for remote working?
CF10 5BZ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CF10 5BZ?
4G outdoor coverage at CF10 5BZ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CF10 5BZ?
EPC data for CF10 5BZ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CF10 5BZ?
Council tax band information for CF10 5BZ is being updated.
How accessible are GP surgeries near CF10 5BZ?
GP surgery data for CF10 5BZ is being updated. Check NHS.uk for the latest.
What transport links are available near CF10 5BZ?
Transport data for CF10 5BZ is being updated.
Is CF10 5BZ a suitable area for families?
CF10 5BZ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CF10 5BZ?
Air quality data for CF10 5BZ is being updated.
How far is the nearest EV charging point from CF10 5BZ?
EV charging data for CF10 5BZ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CF10 5BZ?
Full fibre availability at CF10 5BZ is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CF10 5BZRemote 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
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Area info
Parish
Butetown
District
Cardiff
Region
Constituency
LSOA
W01001943
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