CF11 postcode
Broadband in CF11 0BD
Grangetown, Cardiff
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 19 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 CF11 0BD 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 CF11 0BD.
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) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at CF11 0BD
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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Check Deals →Living near CF11 0BD
Grangetown is home to CF11 0BD. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.
Superfast broadband (30 Mbps+) coverage at CF11 0BD stands at 100%. That is above the UK average of 93%.
The speed distribution at CF11 0BD tells a more detailed story than headline figures alone. 100% 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 CF11 0BD maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
Fixed Wireless Access is not currently available at CF11 0BD. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
The USO guarantees every UK home at least 10 Mbps. At CF11 0BD, 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 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CF11 0BD 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.
4G outdoor coverage at CF11 0BD reaches 95%. 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.
Suitability scores for CF11 0BD: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CF11 0BD is Cardiff. The immediate area is Grangetown, a distinct community within the wider district. The CF11 postcode area contains 777 postcodes on this site. Superfast broadband across CF11 ranges from 0% to 100%. CF11 0BD is close to the area average of 99%.
How does CF11 0BD compare to its neighbours? CF11 0BB (0.03 miles, grangetown) has 100% superfast coverage and 4% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Broadband availability varies by provider and by property. At CF11 0BD, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.
Grangetown offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Pulling the data together for CF11 0BD, here is what stands out. Connectivity at CF11 0BD is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. 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. Grangetown 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 CF11 0BD, 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.
CF11 0BD in Grangetown: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
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 CF11 0BD
What are the broadband speeds available at CF11 0BD?
Superfast broadband (30 Mbps+) is available to 100% of premises at CF11 0BD.
What is the average house price near CF11 0BD?
No recent house price data is available for CF11 0BD.
What is the flood risk for properties at CF11 0BD?
CF11 0BD has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CF11 0BD area?
School data for CF11 0BD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CF11 0BD compare to other areas?
Crime data for this area is being updated.
How suitable is CF11 0BD for remote working?
CF11 0BD scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CF11 0BD?
4G outdoor coverage at CF11 0BD is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CF11 0BD?
EPC data for CF11 0BD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CF11 0BD?
Council tax band information for CF11 0BD is being updated.
How accessible are GP surgeries near CF11 0BD?
GP surgery data for CF11 0BD is being updated. Check NHS.uk for the latest.
What transport links are available near CF11 0BD?
Transport data for CF11 0BD is being updated.
Is CF11 0BD a suitable area for families?
CF11 0BD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CF11 0BD?
Air quality data for CF11 0BD is being updated.
How far is the nearest EV charging point from CF11 0BD?
EV charging data for CF11 0BD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CF11 0BD?
Full fibre availability at CF11 0BD is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CF11 0BDRemote 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
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Area info
Parish
Grangetown
District
Cardiff
Region
Constituency
LSOA
W01001947
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