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CF23 5BS

Penylan · Cardiff · Wales

Updated September 2026

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Location overview

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Post town
Cardiff
Ward
Penylan
Local authority
Cardiff
Constituency
Cardiff East
Postcode district
CF23
Postcode sector
CF23 5

Nearby postcodes

Nearby postcode distances
Postcode Distance
CF23 5BH 40 m
CF23 5EZ 60 m
CF23 5BE 86 m
CF23 5BN 109 m
CF23 5BJ 119 m
Complete postcode fields and official codes
Postcode
CF23 5BS
Status
Current
Introduced
1 June 1999
Terminated
Not published
Postcode area
CF
Postcode district
CF23
Postcode sector
CF23 5
Latitude
51.495417
Longitude
-3.160680
British National Grid easting
319,522
British National Grid northing
178,025

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Cardiff · W06000015
Electoral ward
Penylan · W05001288
Parish or community
W04000860
Westminster constituency
Cardiff East · W07000089
Output area
W00009401
Lower layer super output area
Cardiff 029B · W01001823
Middle layer super output area
Cardiff 029 · W02000395

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
4 recorded sales at this postcode
Address Date Price
5, Blenheim Road, Cardiff, CF23 5BS 25 June 2026 £381,000
Mill Park View, Blenheim Road, Cardiff, CF23 5BS 26 October 2012 £350,000
11, Blenheim Road, Cardiff, CF23 5BS 12 April 2006 £248,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
84
Primary
0
Secondary
0

  1. Albany Primary School

    Welsh establishment

    563 m

  2. Ysgol Y Berllan Deg

    Welsh establishment

    563 m

  3. Roath Park Primary School

    Welsh establishment

    700 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
7,806
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,306
  • Shoplifting 979
  • Public order 830
  • Vehicle crime 783
  • Anti social behaviour 609

Census 2021

Population and age profile

Postcode residents
10

4 female, 6 male

Postcode households
5
Residents per household
2.0
CF23 5 residents
9,959

Age bands in CF23 5

Wider postcode sector
Age 0 to 14
16.3%

1,661 residents

Age 15 to 24
15.8%

1,606 residents

Age 25 to 44
25.5%

2,589 residents

Age 45 to 64
24.4%

2,483 residents

Age 65 and over
18%

1,825 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider CF23 5 sector, not people in this individual postcode.

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+
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
33.3%
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

34

within 5 km

  • THE PENYLAN SURGERY

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

    ODS code W97033

    270 m

  • ROATH HOUSE SURGERY

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

    ODS code W97034

    307 m

  • CLIFTON SURGERY

    151-153 NEWPORT ROAD, ROATH, CARDIFF, CF24 1AG

    ODS code W97060

    839 m

  • ROATHWELL SURGERY

    116 NEWPORT ROAD, CARDIFF, CF24 1YT

    ODS code W97002

    842 m

  • MEDDYGFA ALBANY SURGERY

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

    ODS code W97014

    845 m

  • THE CITY SURGERY

    187 CITY ROAD, ROATH, CARDIFF, CF24 3WD

    ODS code W97056

    865 m

  • CARDIFF HEALTH ACCESS PRACTICE

    CARDIFF AND VALE HIS, CARDIFF ROYAL INFIRMARY, CARDIFF, CF24 0SZ

    ODS code W00100

    1.2 km

  • CATHAYS SURGERY

    137 CATHAYS TERRACE, CARDIFF, CF24 4HU

    ODS code W97009

    1.5 km

  • CRWYS MEDICAL CENTRE

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

    ODS code W97041

    1.7 km

  • CLOUGHMORE MEDICAL CENTRE

    19 SOUTH PARK ROAD, SPLOTT, CARDIFF, CF24 2LU

    ODS code W97007

    1.8 km

  • FOUR ELMS MEDICAL CENTRE

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

    ODS code W97048

    2.1 km

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    2.2 km

  • WHITCHURCH ROAD SURGERY

    SACHVILLE AVENUE, CARDIFF, CF14 3NY

    ODS code W97025

    2.3 km

  • NORTH ROAD MEDICAL PRACTICE

    182 NORTH ROAD, CARDIFF, CF14 3XQ

    ODS code W97020

    2.4 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    2.7 km

  • BUTETOWN MEDICAL PRACTICE

    LOUDOUN, PLAS IONA, CARDIFF, CF10 5HW

    ODS code W97291

    2.8 km

  • THE SURGERY

    ST DAVIDS COURT, 68A COWBRIDGE ROAD EAST, CARDIFF, CF11 9DN

    ODS code W97018

    2.9 km

  • KINGS ROAD (DRS SURGERY)

    180 KINGS ROAD, CARDIFF, CF11 9DQ

    ODS code W97067

    2.9 km

  • LLANDAFF FIELDS MEDICAL PRACTICE

    CANTON COURT, WELLINGTON STREET, CARDIFF, CF11 9SH

    ODS code W97005

    2.9 km

  • TAFF RIVERSIDE PRACTICE

    WELLINGTON STREET, CARDIFF, CF11 9SH

    ODS code W97016

    2.9 km

Showing 20 of 34 matching practices.

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

  • Marlborough Sch

    BCT · Roath

    0.0 miles

  • Marlborough Sch

    BCT · Roath

    0.0 miles

  • Marlborough Road

    BCT · Roath

    0.1 miles

  • Marlborough Road

    BCT · Roath

    0.1 miles

  • Claude Hotel

    BCT · Roath

    0.1 miles

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 £381,000 from 1 recorded sale in CF23 5BS. 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

84 open schools are in scope, including 0 primary and 0 secondary schools. Albany Primary School is the nearest published school at 563 m.

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

Recorded crime

Published police records

7,806 published events cover 12 months, averaging 650.5 events per published month. The largest recorded category is Violence and sexual offences with 2,306 events.

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