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CF23

UK postcode district

Updated September 2026

District overview

Postcode units
1,270
Current units
908
Coordinate coverage
100%
Electoral wards
9

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
2
Terminated postcode units
362

Postcode sectors in CF23

Choose a sector to browse its complete postcode-unit directory.

6 sectors

Property

Across this district

View property report
24,597 recorded sales at this postcode
Address Date Price
7, Oakdene Close, Cardiff, CF23 6HJ 24 July 2026 £360,000
26, Coeden Dal, Pentwyn, Cardiff, CF23 7DH 24 July 2026 £287,000
40, Farm Drive, Cardiff, CF23 6HQ 10 July 2026 £470,000

Schools

Across this district

View schools report
Open schools
20
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
2,538
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 887
  • Public order 297
  • Shoplifting 270
  • Anti social behaviour 232
  • Vehicle crime 197

Census 2021

Population and age profile

CF23 usual residents
47,596
Age-profile population
47,701

Age bands in CF23

Postcode district
Age 0 to 14
19.4%

9,238 residents

Age 15 to 24
12.9%

6,159 residents

Age 25 to 44
25.6%

12,196 residents

Age 45 to 64
24.3%

11,591 residents

Age 65 and over
17.9%

8,517 residents

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

The median Ofcom availability percentage across 873 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
48.6%

845 postcode units had 100% superfast coverage, 760 had 100% gigabit-capable coverage, and 0 had at least some premises without decent fixed or fixed-wireless access.

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

5

in this district

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

  • LLANEDEYRN HEALTH CENTRE

    LLAN HEALTHCARE, WELLBEING HUB @ MAELFA, ROUND WOOD, LLANEDEYRN, CARDIFF, CF23 9PF

    ODS code W97008

  • ROATH HOUSE SURGERY

    100 PEN-Y-LAN ROAD, PENYLAN, CARDIFF, CF23 5RH

    ODS code W97034

  • ST. DAVIDS MEDICAL CENTRE

    PONTPRENNAU MEDICAL CENTR, PENTWYN DRIVE, CARDIFF, CF23 7SD

    ODS code W97065

  • THE PENYLAN SURGERY

    74 PEN-Y-LAN ROAD, CARDIFF, CF23 5SY

    ODS code W97033

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £282,500 from 3,086 recorded sales in CF23. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Cardiff is £270,094 in June 2026, up 2.1% year on year.

Schools

Published establishments

20 open schools are in scope, including 0 primary and 0 secondary schools.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

2,538 published events cover 12 months, averaging 211.5 events per published month. The largest recorded category is Violence and sexual offences with 887 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.