CF5 postcode

Broadband in CF5 6DS

St. Fagans, Cardiff

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 17 March 2026

Flood Risk

Data pending

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 17 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 CF5 6DS. 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 CF5 6DS.

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)50%
50%
10-20 Mbps
Superfast (30+ Mbps)50%
50%
30-80 Mbps
Ultrafast (100+ Mbps)25%
25%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit25%
25%
900-1,000 Mbps

Speed Distribution at CF5 6DS

10–30 Mbps (50%)
30–300 Mbps (25%)
300+ Mbps (25%)

Source: Ofcom Connected Nations 2025

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Living near CF5 6DS

Looking at CF5 6DS 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 50%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 25% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 25% of premises. Gigabit is available but not yet widespread at this postcode.

Here is how broadband speeds break down across premises at CF5 6DS. 50% of connections fall in the 10 to 30 Mbps range. 25% of connections fall in the 30 to 300 Mbps range. 25% 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. 25% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Translating the numbers at CF5 6DS into daily use gives a clearer picture.

FWA broadband has not reached CF5 6DS 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 6DS 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.

Suitability scores for CF5 6DS: 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 6DS 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 6DS is below the area average of 99%.

When choosing a broadband provider at CF5 6DS, 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 St. Fagans has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Pulling the data together for CF5 6DS, 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. 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.

Data is a starting point for St. Fagans. 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 CF5 6DS 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 6DS

What are the broadband speeds available at CF5 6DS?

Superfast broadband (30 Mbps+) is available to 50% of premises at CF5 6DS. Ultrafast coverage is at 25%.

What is the average house price near CF5 6DS?

No recent house price data is available for CF5 6DS.

What schools are nearby in the CF5 6DS area?

School data for CF5 6DS is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CF5 6DS compare to other areas?

Crime data for this area is being updated.

How suitable is CF5 6DS for remote working?

CF5 6DS scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CF5 6DS?

Mobile coverage data for CF5 6DS is being updated. Check Ofcom coverage maps for the latest.

What is the most common energy efficiency rating near CF5 6DS?

EPC data for CF5 6DS is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CF5 6DS?

Council tax band information for CF5 6DS is being updated.

How accessible are GP surgeries near CF5 6DS?

GP surgery data for CF5 6DS is being updated. Check NHS.uk for the latest.

What transport links are available near CF5 6DS?

Transport data for CF5 6DS is being updated.

Is CF5 6DS a suitable area for families?

CF5 6DS scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CF5 6DS?

Air quality data for CF5 6DS is being updated.

How far is the nearest EV charging point from CF5 6DS?

EV charging data for CF5 6DS is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CF5 6DS?

Ultrafast broadband (100 Mbps+) reaches 25% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

CF5 6DS

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

Area info

Parish

St. Fagans

District

Cardiff

Region

Constituency

LSOA

W01001729

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