POSTCODE DISTRICT · WALES

Cardiff CF10 postcode area

CF10 includes parts of central Cardiff. The comparison uses the whole Cardiff unitary authority, including areas beyond the city centre.

DISTRICT REPORT SCOPE

Area evidence, not a full-postcode grade

The CF10 prefix covers multiple addresses and may cross council or warning-area boundaries. The 0–6 Data & Preparedness Score below counts documented sources for this district. It is separate from the conditional A–G disruption grade on a full-postcode report.

A–G grade for CF10: not assessed at district level. A complete postcode is needed to check live utility and road incidents and listed emergency-care distance. A grade appears only when all three inputs can be scored. How the full-postcode grade works.

Population density compared with the UK

UK average: 287 residents/km². Figures below cover the named councils.

Cardiff2,707 residents/km²UK council density percentile: 79/100

ONS mid-2025 population estimates · MYE5

Preparedness conclusion for CF10

Cardiff is above the UK density average. Use Welsh warnings for the specific CF10 address.

Cardiff is 2,420 residents/km² above the UK average of 287 residents/km².

CF10 is part of Cardiff, but the density shown is for the whole authority. If you are comparing two CF10 addresses, they can share the same council figure even when their routes and circumstances differ. The English Environment Agency feed cannot tell you whether a Welsh warning applies.

Check Natural Resources Wales flood warnings

Local flood evidence for CF10

Recorded flooding

No sufficiently local historical flood incident has been verified for this district. The source-coverage score does not award the historical-data point.

Official warning area

Natural Resources Wales publishes a River Taff at Cardiff City warning area. It is relevant to parts of central Cardiff near the Taff, but CF10 alone cannot establish whether an address lies inside its mapped boundary.

NRW River Taff at Cardiff City warning area

Data & Preparedness Score 5/6

Several useful sources are available. Check the gaps below. The score describes the evidence available in this report. It does not measure risk, safety or personal readiness.

Warning coverage 2/2: A named official warning or alert area is documented locally. Check the mapped boundary for your address.
Official guidance 2/2: Local authority or regional preparedness guidance is linked below.
Data completeness 1/2: Council density is available. A local flood record is documented.

How the district score is calculated

Warning coverage earns 2 points for a documented local warning area, 1 for an official service link and 0 when no source can be identified. Guidance earns 2 for a local authority or regional preparedness link, 1 for UK guidance and 0 when neither is available.

Data completeness earns 2 points when council density and a documented local flood record are both available, 1 for either and 0 for neither. The three scores are added. The number or severity of current warnings does not change the score.

Emergency information for CF10

Keep the address and the main places you travel to in your household plan. When an alert covers part of Cardiff, check which locations it names and whether it affects the journey you intend to make. Agree who will check official updates and pass instructions to anyone who may miss them.

Cardiff Council identifies different contacts for river, highway-drainage and sewer flooding, and describes the Cardiff Bay Barrage among the city's flood measures. Use the cause and exact CF10 street when choosing a reporting channel.

Check a full CF10 postcode

Enter the complete postcode, including its final three characters, to see the nine-indicator evidence breakdown, any supported provisional A–G grade, local incident results and a check against official flood-warning boundaries.

How the nine indicators apply

A district prefix covers many full postcodes. This page has no live A–G disruption grade and does not assess war or nuclear risk. Enter a complete postcode above to see the nine-indicator breakdown for its returned location.

Can contribute to a full-postcode grade: Infrastructure: matched electricity or water incidents where covered. Medical resources: straight-line distance to a listed emergency department. Road access: nearby active TfL events where covered. Missing feeds are excluded, not scored as zero.
Can be shown, without a risk score: Wind direction and speed, one-hour rainfall forecast, and elevation with sampled local relief. These do not establish exposure to a particular incident or protection at a building.
No verified postcode-level assessment: Military targeting, building structure and designated shelter availability. A postcode prefix cannot supply these details.

Full scoring method · Compare full postcodes · UK Emergency Alerts