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CF23 8HE

Pontprennau and Old St Mellons · Cardiff · Wales

Updated September 2026

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Location overview

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Post town
Cardiff
Ward
Pontprennau and Old St Mellons
Local authority
Cardiff
Constituency
Cardiff North
Postcode district
CF23
Postcode sector
CF23 8

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF23 8AN 91 m
CF23 8FF 142 m
CF23 8HA 191 m
CF23 8AJ 193 m
CF23 8FE 211 m
Complete postcode fields and official codes
Postcode
CF23 8HE
Status
Current
Introduced
1 June 1999
Terminated
Not published
Postcode area
CF
Postcode district
CF23
Postcode sector
CF23 8
Latitude
51.530799
Longitude
-3.136886
British National Grid easting
321,235
British National Grid northing
181,934

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Electoral ward
Pontprennau and Old St Mellons · W05001290
Parish or community
W04000868
Westminster constituency
Cardiff North · W07000090
Output area
W00010225
Lower layer super output area
Cardiff 003D · W01001844
Middle layer super output area
Cardiff 003 · W02000369

Postcode source versions

Explore CF23

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
1 recorded sale at this postcode
Address Date Price
Unit 5-6, The Avenue Industrial Estate, Cardiff, CF23 8HE 31 August 2017 £3,100,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
48
Primary
0
Secondary
0

  1. The Hollies Special School

    Welsh establishment

    651 m

  2. Bryn Celyn Primary School

    Welsh establishment

    669 m

  3. St Bernadette's R.C. Primary School

    Welsh establishment

    710 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,834
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 754
  • Public order 240
  • Anti social behaviour 186
  • Criminal damage and arson 171
  • Shoplifting 130

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CF23 8 residents
7,049

Age bands in CF23 8

Wider postcode sector
Age 0 to 14
19.3%

1,377 residents

Age 15 to 24
10.7%

765 residents

Age 25 to 44
30.3%

2,164 residents

Age 45 to 64
28.5%

2,034 residents

Age 65 and over
11.1%

795 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

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
75%
Ultrafast, 100 Mbit/s+
62.5%
Ultrafast, 300 Mbit/s+
62.5%
Gigabit-capable
62.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
75%
Decent broadband available from fixed wireless
0%
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

17

within 5 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    898 m

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    942 m

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    2.1 km

  • BRYNDERWEN SURGERY

    CRICKHOWELL ROAD, ST MELLONS, CARDIFF, CF3 0EF

    ODS code W97006

    2.5 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    2.8 km

  • WILLOWBROOK SURGERY

    5 STRATHY ROAD, ST. MELLONS, CARDIFF, CF3 0SH

    ODS code W97069

    3.2 km

  • LLANISHEN COURT SURGERY

    LLANISHEN COURT, LLANISHEN, CARDIFF, CF14 5YU

    ODS code W97013

    3.6 km

  • ST. ISAN ROAD SURGERY

    46 ST. ISAN ROAD, HEATH CARDIFF, CARDIFF, CF14 4UU

    ODS code W97053

    4.0 km

  • NORTH CARDIFF MEDICAL CENTRE

    EXCALIBUR DRIVE, THORNHILL, CARDIFF, CF14 9BB

    ODS code W97015

    4.1 km

  • ROATH HOUSE SURGERY

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

    ODS code W97034

    4.1 km

  • THE PENYLAN SURGERY

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

    ODS code W97033

    4.3 km

  • CRWYS MEDICAL CENTRE

    THE CRWYS SURGERY, WEDAL ROAD, CARDIFF, CF14 3QX

    ODS code W97041

    4.4 km

  • FOUR ELMS MEDICAL CENTRE

    STERLING CLOSE, FFORDD PENGAM PENGAM GREE, SPLOTT, CARDIFF, CF24 2HB

    ODS code W97048

    4.5 km

  • BIRCHGROVE SURGERY

    CAERPHILLY ROAD, CARDIFF, CF14 4QJ

    ODS code W97021

    4.7 km

  • WHITCHURCH ROAD SURGERY

    SACHVILLE AVENUE, CARDIFF, CF14 3NY

    ODS code W97025

    4.8 km

  • MEDDYGFA ALBANY SURGERY

    219 - 221 CITY ROAD, ROATH, CARDIFF, CF24 3JD

    ODS code W97014

    4.9 km

  • ROATHWELL SURGERY

    116 NEWPORT ROAD, CARDIFF, CF24 1YT

    ODS code W97002

    5.0 km

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.

Nearby transport

  • Panasonic

    BCT · Pentwyn

    0.1 miles

  • Panasonic

    BCT · Pentwyn

    0.1 miles

  • BUPA Pentwyn (1)

    BCT · Pentwyn

    0.2 miles

  • Premier Inn

    BCT · Pentwyn

    0.2 miles

  • Premier Inn

    BCT · Pentwyn

    0.2 miles

Evidence in context

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

Schools

Published establishments

48 open schools are in scope, including 0 primary and 0 secondary schools. The Hollies Special School is the nearest published school at 651 m.

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

Recorded crime

Published police records

1,834 published events cover 12 months, averaging 152.833 events per published month. The largest recorded category is Violence and sexual offences with 754 events.

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