CF23 5SB

Penylan · Cardiff · Wales

Updated September 2026

Compare this postcode

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 6AU 76 m
CF23 5LZ 88 m
CF23 5SL 95 m
CF23 5SH 108 m
CF23 5JG 128 m
Complete postcode fields and official codes
Postcode
CF23 5SB
Status
Current
Introduced
1 June 1999
Terminated
Not published
Postcode area
CF
Postcode district
CF23
Postcode sector
CF23 5
Latitude
51.505444
Longitude
-3.162448
British National Grid easting
319,417
British National Grid northing
179,142

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
W00009411
Lower layer super output area
Cardiff 024B · W01001826
Middle layer super output area
Cardiff 024 · W02000390

Postcode source versions

Explore CF23

15 recorded sales at this postcode
Address Date Price
61, Cyncoed Road, Cardiff, CF23 5SB 7 May 2019 £410,000
47, Cyncoed Road, Cardiff, CF23 5SB 18 December 2015 £665,000
51, Cyncoed Road, Cardiff, CF23 5SB 30 November 2015 £655,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
90
Primary
0
Secondary
0
  1. All Saints C.I.W. Primary School

    Welsh establishment

    602 m
  2. Llanedeyrn Primary School

    Welsh establishment

    853 m
  3. Lakeside Primary School

    Welsh establishment

    884 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3,041
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 886
  • Shoplifting 465
  • Vehicle crime 333
  • Public order 284
  • Anti social behaviour 251

Census 2021

Population and age profile

Postcode residents
55

25 female, 30 male

Postcode households
19
Residents per household
2.9
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 0.6% of the sector's usual residents on Census Day. The age profile describes the wider CF23 5 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

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
83.3%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

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

GP practices

37

within 5 km

  • ROATH HOUSE SURGERY

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

    ODS code W97034

    841 m

  • THE PENYLAN SURGERY

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

    ODS code W97033

    996 m

  • LLANEDEYRN HEALTH CENTRE

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

    ODS code W97008

    1.3 km

  • CRWYS MEDICAL CENTRE

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

    ODS code W97041

    1.4 km

  • MEDDYGFA ALBANY SURGERY

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

    ODS code W97014

    1.6 km

  • THE CITY SURGERY

    187 CITY ROAD, ROATH, CARDIFF, CF24 3WD

    ODS code W97056

    1.7 km

  • CATHAYS SURGERY

    137 CATHAYS TERRACE, CARDIFF, CF24 4HU

    ODS code W97009

    1.8 km

  • CLIFTON SURGERY

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

    ODS code W97060

    2.0 km

  • ROATHWELL SURGERY

    116 NEWPORT ROAD, CARDIFF, CF24 1YT

    ODS code W97002

    2.0 km

  • WHITCHURCH ROAD SURGERY

    SACHVILLE AVENUE, CARDIFF, CF14 3NY

    ODS code W97025

    2.0 km

  • CARDIFF HEALTH ACCESS PRACTICE

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

    ODS code W00100

    2.3 km

  • NORTH ROAD MEDICAL PRACTICE

    182 NORTH ROAD, CARDIFF, CF14 3XQ

    ODS code W97020

    2.3 km

  • ST. ISAN ROAD SURGERY

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

    ODS code W97053

    2.3 km

  • ST. DAVIDS MEDICAL CENTRE

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

    ODS code W97065

    2.5 km

  • RUMNEY PRIMARY CARE CENTRE

    BARMOUTH ROAD, RUMNEY, CARDIFF, CF3 3LG

    ODS code W97027

    2.6 km

  • FOUR ELMS MEDICAL CENTRE

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

    ODS code W97048

    2.7 km

  • CLOUGHMORE MEDICAL CENTRE

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

    ODS code W97007

    2.9 km

  • CYNCOED MEDICAL PRACTICE

    DARTINGTON DRIVE, PONTPRENNAU, CARDIFF, CF23 8SQ

    ODS code W97010

    2.9 km

  • BIRCHGROVE SURGERY

    CAERPHILLY ROAD, CARDIFF, CF14 4QJ

    ODS code W97021

    3.0 km

  • LLANISHEN COURT SURGERY

    LLANISHEN COURT, LLANISHEN, CARDIFF, CF14 5YU

    ODS code W97013

    3.1 km

Showing 20 of 37 matching practices.

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

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

Nearby transport

  • Penylan Oval

    BCT · Penylan

    0.1 miles
  • Penylan Oval

    BCT · Penylan

    0.1 miles
  • Ty Gwyn Sch

    BCT · Penylan

    0.1 miles
  • Ty Gwyn School

    BCT · Penylan

    0.1 miles
  • Queenwood Close

    BCT · Penylan

    0.1 miles

Evidence in context

Schools

90 open schools are in scope, including 0 primary and 0 secondary schools. All Saints C.I.W. Primary School is the nearest published school at 602 m.

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

Recorded crime

3,041 published events cover 12 months, averaging 253.417 events per published month. The largest recorded category is Violence and sexual offences with 886 events.

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