CF5 postcode

Broadband in CF5 3DG

Fairwater, Cardiff

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
Compare Broadband Deals →

Free, independent comparison · Ofcom verified data · Updated 16 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 16 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 3DG. That covers your 14 Mbps needs with room to spare.

Compare Deals in CF5 3DG

Speed Test

Check your current download speed and see how it compares to what is available at CF5 3DG.

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)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)100%
100%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit100%
100%
900-1,000 Mbps

Speed Distribution at CF5 3DG

100%
300+ Mbps (100%)

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.

Compare broadband in CF5 3DG

Find the best broadband packages available at your address.

Compare Deals Now

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)

Ready to switch? See what's available at your address.

Check Deals

Living near CF5 3DG

Fairwater is home to CF5 3DG. 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 coverage here stands at 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to.

The speed distribution at CF5 3DG tells a more detailed story than headline figures alone. 100% 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. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.

Here is how the broadband at CF5 3DG maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

FWA broadband has not reached CF5 3DG yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

The USO guarantees every UK home at least 10 Mbps. At CF5 3DG, 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 CF5 3DG 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 CF5 3DG 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 CF5 3DG: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CF5 3DG is Cardiff. The immediate area is Fairwater, 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 3DG is close to the area average of 99%.

How does CF5 3DG compare to its neighbours? CF5 3DA (0.04 miles, fairwater) has 100% superfast coverage and 100% gigabit. CF5 3DB (0.06 miles, fairwater) has 100% superfast coverage and 100% gigabit. CF5 3DE (0.06 miles, fairwater) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At CF5 3DG, 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.

Life in Fairwater depends on what matters to you. Broadband, transport, and local services vary by street.

What does all of this mean for someone considering CF5 3DG? Connectivity at CF5 3DG 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. Fairwater 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 Fairwater. 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.

This covers the key data for CF5 3DG. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Fairwater 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 CF5 3DG

What are the broadband speeds available at CF5 3DG?

Superfast broadband (30 Mbps+) is available to 100% of premises at CF5 3DG. Ultrafast coverage is at 100%.

What is the average house price near CF5 3DG?

No recent house price data is available for CF5 3DG.

What is the flood risk for properties at CF5 3DG?

CF5 3DG has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the CF5 3DG area?

School data for CF5 3DG is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in CF5 3DG compare to other areas?

Crime data for this area is being updated.

How suitable is CF5 3DG for remote working?

CF5 3DG scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at CF5 3DG?

4G outdoor coverage at CF5 3DG is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near CF5 3DG?

EPC data for CF5 3DG is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at CF5 3DG?

Council tax band information for CF5 3DG is being updated.

How accessible are GP surgeries near CF5 3DG?

GP surgery data for CF5 3DG is being updated. Check NHS.uk for the latest.

What transport links are available near CF5 3DG?

Transport data for CF5 3DG is being updated.

Is CF5 3DG a suitable area for families?

CF5 3DG scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at CF5 3DG?

Air quality data for CF5 3DG is being updated.

How far is the nearest EV charging point from CF5 3DG?

EV charging data for CF5 3DG is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at CF5 3DG?

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

Area suitability scores

CF5 3DG

Remote Worker

55

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

Fairwater

District

Cardiff

Region

Constituency

LSOA

W01001752

Best deals

Compare broadband deals in CF5 3DG

Find the best packages from UK providers in minutes.

Check Available Deals

Broadband deals for CF5 3DG

Compare Deals