CF
Postcode areaPostcode area named after Cardiff, with 39 districts.
Approximate outline worked out by Open Index from the ONS Postcode Directory: the outline joins its districts’ outlines, each made of the census output areas that hold most of the district’s postcodes.
Radon Affected Area by postcode area
Worked out by Open Index · 2022
About 77% of people in CF live in a 1 km square that the radon atlas marks as a radon Affected Area.
How CF compares
Each dot is a postcode area. The black line marks the middle one.
Every postcode area ranked: median sale price, population, people in radon affected area squares and gigabit broadband coverage.
Is CF safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CF at a rate of 96.0 per 1,000 people.
In August 2026 alone, 10,231 cases of crime and anti-social behaviour were recorded in CF.
In the 12 months to August 2026, the most common types were violence and sexual offences (38,215), other crime (21,216) and anti-social behaviour (13,037).
A year earlier, the recorded crime rate in CF was 95.8 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.
Postcode districts in CF
| Name | People (census) | Median sale price | Recorded crime per 1,000 |
|---|---|---|---|
| CF3Cardiff, Trowbridge | 45,349 | £255,000 | 90.9 per 1,000 |
| CF5Cardiff, Ely | 69,431 | £285,000 | 98.3 per 1,000 |
| CF10Cardiff, Butetown | 17,390 | £179,000 | 463.3 per 1,000 |
| CF11Cardiff, Grangetown | 38,856 | £235,000 | 130.0 per 1,000 |
| CF14Cardiff, Llanishen | 77,530 | £350,000 | 65.0 per 1,000 |
| CF15Radyr, Morganstown | 18,359 | £338,500 | 54.0 per 1,000 |
| CF23Cardiff, Cyncoed | 48,085 | £290,000 | 63.7 per 1,000 |
| CF24Cardiff, Splott | 59,474 | £231,000 | 128.5 per 1,000 |
| CF30Trowbridge | No figure | No figure | No figure |
| CF31Bridgend, Tremains | 46,243 | £228,500 | 101.6 per 1,000 |
| CF32Sarn | 31,422 | £180,000 | 70.8 per 1,000 |
| CF33North Cornelly, Pyle | 14,750 | £185,000 | 80.4 per 1,000 |
| CF34Maesteg, Garth | 20,018 | £140,000 | 95.1 per 1,000 |
| CF35Pencoed, Coity | 20,239 | £245,000 | 55.9 per 1,000 |
| CF36Porthcawl, Nottage | 16,132 | £320,000 | 79.4 per 1,000 |
| CF37Pontypridd, Rhydyfelin | 39,099 | £155,000 | 97.3 per 1,000 |
| CF38Ton-Teg, Llantwit Fardre | 23,360 | £245,000 | 48.8 per 1,000 |
| CF39Porth, Tonyrefail | 29,014 | £145,000 | 85.5 per 1,000 |
| CF40Tonypandy, Trealaw | 20,155 | £125,000 | 88.6 per 1,000 |
| CF41Rhondda, Gelli | 10,690 | £128,225 | 80.9 per 1,000 |
| CF42Treorchy, Treherbert | 13,352 | £125,000 | 84.1 per 1,000 |
| CF43Ferndale, Maerdy | 11,426 | £94,000 | 90.5 per 1,000 |
| CF44Aberdare, Hirwaun | 41,027 | £156,750 | 95.2 per 1,000 |
| CF45Mountain Ash, Abercynon | 19,378 | £125,000 | 88.4 per 1,000 |
| CF46Nelson, Treharris | 14,510 | £151,500 | 64.6 per 1,000 |
| CF47Merthyr Tydfil, Gurnos | 21,836 | £145,000 | 132.6 per 1,000 |
| CF48Merthyr Tydfil, Troedyrhiw | 26,978 | £150,000 | 108.9 per 1,000 |
| CF61Llantwit Major, Boverton | 9,858 | £280,000 | 57.3 per 1,000 |
| CF62Barry, The Knap | 43,824 | £250,000 | 72.6 per 1,000 |
| CF63Barry, Cadoxton | 21,677 | £195,000 | 133.9 per 1,000 |
| CF64Penarth, Morristown | 37,725 | £340,000 | 55.8 per 1,000 |
| CF71Cowbridge, East Village | 9,323 | £475,000 | 31.0 per 1,000 |
| CF72Pontyclun, Llanharry | 27,930 | £259,995 | 75.7 per 1,000 |
| CF81Bargod, Aberbargoed | 16,130 | £140,000 | 115.7 per 1,000 |
| CF82Ystrad Mynach, Tredomen | 20,172 | £200,000 | 98.3 per 1,000 |
| CF83Caerphilly | 54,505 | £225,000 | 104.4 per 1,000 |
| CF91Grangetown | No figure | No figure | No figure |
| CF95Adamsdown | No figure | No figure | No figure |
| CF99Atlantic Wharf | No figure | No figure | No figure |
CF in brief
The CF postcode area, named after Cardiff, has 39 postcode districts.
The median price paid for a home in CF was £230,000 in 2025.
CF had 1,035,247 usual residents at the census.
About 77% of people in CF live in a 1 km square that the radon atlas marks as a radon Affected Area.
In CF, 89.1% of homes and businesses could get gigabit-capable broadband in January 2026.