CF3
Postcode districtPostcode district covering Cardiff, Trowbridge and St Mellons, in Cardiff.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an CF3 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In CF3, 96.9% of homes and businesses could get gigabit-capable broadband in January 2026.
How CF3 compares
Each dot is a postcode district. The black line marks the middle one.
Is CF3 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CF3 at a rate of 90.9 per 1,000 people.
That compares with 96.0 per 1,000 people across the CF postcode area.
In August 2026 alone, 507 cases of crime and anti-social behaviour were recorded in CF3.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,568), other crime (925) and anti-social behaviour (549).
A year earlier, the recorded crime rate in CF3 was 97.4 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in CF3, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so CF3 has no single figure. Of its 28 neighbourhoods with a rank:
- Decile 1 (Wales’s most deprived 10%): 9 neighbourhoods
- Decile 2: 5 neighbourhoods
- Decile 3: 2 neighbourhoods
- Decile 5: 1 neighbourhood
- Decile 6: 3 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 4 neighbourhoods
- Decile 9: 3 neighbourhoods
Welsh Index of Multiple Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in Wales.
Neighbourhoods in CF3
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Cardiff 003E | 1,225 | 85.2 per 1,000 | 9 | 97.9% |
| Cardiff 003F | 1,437 | 48.2 per 1,000 | 8 | 90.9% |
| Cardiff 007A | 1,711 | 186.4 per 1,000 | 3 | 95.2% |
| Cardiff 007B | 1,640 | 53.8 per 1,000 | 1 | 100.0% |
| Cardiff 007C | 1,720 | 132.0 per 1,000 | 1 | 99.8% |
| Cardiff 007D | 1,927 | 57.0 per 1,000 | 5 | 98.7% |
| Cardiff 011A | 1,831 | 27.1 per 1,000 | 8 | 98.9% |
| Cardiff 011B | 1,590 | 120.9 per 1,000 | 6 | 97.6% |
| Cardiff 011C | 1,754 | 45.0 per 1,000 | 7 | 86.4% |
| Cardiff 011D | 2,609 | 73.5 per 1,000 | 2 | 85.9% |
| Cardiff 013A | 1,905 | 156.1 per 1,000 | 1 | 99.6% |
| Cardiff 013B | 1,647 | 97.6 per 1,000 | 1 | 100.0% |
| Cardiff 013C | 1,473 | 147.6 per 1,000 | 1 | 99.6% |
| Cardiff 013D | 1,443 | 76.1 per 1,000 | 1 | 100.0% |
| Cardiff 015A | 1,678 | 79.7 per 1,000 | 2 | 99.0% |
| Cardiff 015B | 1,584 | 75.4 per 1,000 | 2 | 100.0% |
| Cardiff 015C | 1,548 | 149.7 per 1,000 | 3 | 96.4% |
| Cardiff 015D | 1,720 | 130.2 per 1,000 | 6 | 98.3% |
| Cardiff 016A | 1,577 | 60.9 per 1,000 | 2 | 99.9% |
| Cardiff 016B | 1,416 | 83.6 per 1,000 | 1 | 93.5% |
| Cardiff 016C | 1,658 | 173.1 per 1,000 | 1 | 99.3% |
| Cardiff 016D | 1,320 | 159.0 per 1,000 | 1 | 100.0% |
| Cardiff 022A | 1,505 | 52.1 per 1,000 | 6 | 96.3% |
| Cardiff 022B | 1,480 | 32.4 per 1,000 | 8 | 98.9% |
| Cardiff 022C | 1,292 | 89.4 per 1,000 | 8 | 96.0% |
| Cardiff 022D | 1,521 | 94.1 per 1,000 | 2 | 99.7% |
| Newport 020C | 1,454 | 77.5 per 1,000 | 9 | 80.1% |
| Newport 020D | 2,078 | 33.5 per 1,000 | 9 | 92.3% |
MPs for CF3
- Jo StevensLabourMP for Cardiff East80% of CF3’s postcodes
- Anna McMorrinLabourMP for Cardiff North11% of CF3’s postcodes
- Ruth JonesLabourMP for Newport West and Islwyn8.8% of CF3’s postcodes
- Chris EvansLabour (Co-op)MP for Caerphilly0.4% of CF3’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in CF36
Postcode sectors in CF37
Council1
Towns in CF31
Postcode districts next to CF33
More in the CF postcode area2
CF3 in brief
CF3 is a postcode district covering Cardiff, Trowbridge and St Mellons, in Cardiff.
About 47,940 people lived in CF3 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £255,000 in 2025 across 625 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 90.9 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CF3 was £255,000 in 2025.
CF3 had 45,349 usual residents at the census.
In CF3, 96.9% of homes and businesses could get gigabit-capable broadband in January 2026.
In CF3, 4.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.