CF11 postcode

Broadband in CF11 8AQ

Grangetown, Cardiff

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 20 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 20 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at CF11 8AQ. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at CF11 8AQ.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)57%
57%
10-20 Mbps
Superfast (30+ Mbps)57%
57%
30-80 Mbps
Ultrafast (100+ Mbps)41%
41%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit41%
41%
900-1,000 Mbps

Speed Distribution at CF11 8AQ

5–10 Mbps (43%)
30–300 Mbps (16%)
300+ Mbps (41%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Cardiff

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near CF11 8AQ

CF11 8AQ sits in Grangetown, part of Cardiff. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.

Superfast broadband (30 Mbps+) coverage at CF11 8AQ stands at 56.8%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 40.5% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 40.5% of premises. Gigabit is available but not yet widespread at this postcode.

Here is how broadband speeds break down across premises at CF11 8AQ. 43.2% of connections fall in the 5 to 10 Mbps range. 16.2% of connections fall in the 30 to 300 Mbps range. 40.5% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls. 40.5% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Translating the numbers at CF11 8AQ into daily use gives a clearer picture.

56.8% of properties at CF11 8AQ 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.

0% of premises at CF11 8AQ 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 56.8% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CF11 8AQ 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 8AQ 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.

Suitability scores for CF11 8AQ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CF11 8AQ 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 8AQ is below the area average of 99%.

How does CF11 8AQ compare to its neighbours? CF11 8DL (0.06 miles, grangetown) has 95.5% superfast coverage and 27.3% gigabit. Neighbouring postcodes tend to have better superfast coverage.

Broadband availability varies by provider and by property. At CF11 8AQ, 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.

Every part of Grangetown has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Pulling the data together for CF11 8AQ, 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. 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.

Numbers tell part of the story for CF11 8AQ. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

This covers the key data for CF11 8AQ. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Grangetown hub page. Bookmark this page and check back as new data arrives.

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 8AQ

What are the broadband speeds available at CF11 8AQ?

Superfast broadband (30 Mbps+) is available to 56.8% of premises at CF11 8AQ. Ultrafast coverage is at 40.5%.

What is the average house price near CF11 8AQ?

No recent house price data is available for CF11 8AQ.

What is the flood risk for properties at CF11 8AQ?

CF11 8AQ has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CF11 8AQ area?

School data for CF11 8AQ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CF11 8AQ compare to other areas?

Crime data for this area is being updated.

How suitable is CF11 8AQ for remote working?

CF11 8AQ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CF11 8AQ?

4G outdoor coverage at CF11 8AQ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CF11 8AQ?

EPC data for CF11 8AQ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CF11 8AQ?

Council tax band information for CF11 8AQ is being updated.

How accessible are GP surgeries near CF11 8AQ?

GP surgery data for CF11 8AQ is being updated. Check NHS.uk for the latest.

What transport links are available near CF11 8AQ?

Transport data for CF11 8AQ is being updated.

Is CF11 8AQ a suitable area for families?

CF11 8AQ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CF11 8AQ?

Air quality data for CF11 8AQ is being updated.

How far is the nearest EV charging point from CF11 8AQ?

EV charging data for CF11 8AQ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CF11 8AQ?

Ultrafast broadband (100 Mbps+) reaches 40.5% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CF11 8AQ

Remote Worker

35

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based 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

W01001759

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