CF23 8RJ

POSTCODE

CF23 8RJ is a postcode in Pontprennau and Old St Mellons.

Small user postcodeQuality indicator 1 (highest positional precision)Updated 2026-08-01

Coordinates

51.5362, -3.1409

OS grid ST209825 (320,967, 182,543)

WIMD 2025

10/10

#1805

Crime · Aug '26

Around average · 9.5 per 1k

MoM +13% vs Jul '26

Plus Code

9C3RGVP5+FJ

Least deprived 10%

WIMD 2025

Around average · 9.5 per 1k

Crime · Aug '26

Wales

Region

Deprivation Index (IMD)

WIMD 2025 (Wales-only ranking)

Wales-only ranking. Rank 1 is the most deprived of 1,917 Welsh LSOAs. Not comparable with the English Index of Multiple Deprivation.

Decile 10 — Least deprived 10%

1805

Rank out of 1,917

1 - Most deprived10 - Least deprived

Income: 1429
Employment: 1758
Health: 1854
Education: 1787
Access to services: 1540
Housing: 1611
Community safety: 1783
Physical environment: 661

gov.wales · Open Government Licence v3.0

Household income (MSOA)

Average household income for the neighbourhood (MSOA) around this postcode, financial year ending March 2023

Financial year ending March 2023 · MSOA 2021 · Cardiff 003 (W02000369)

This is the published estimate for the MSOA that contains this postcode (about 2,000–6,000 households). It describes the neighbourhood around the postcode. England and Wales only.

Total annual household income: £68,205
Disposable (net) annual household income: £49,315
Disposable (net) annual household income before housing costs (equivalised): £46,494
Disposable (net) annual household income after housing costs (equivalised): £36,364

Source: Office for National Statistics. Income estimates for small areas, England and Wales, financial year ending 2023.

Income estimates for small areas, England and Wales · Open Government Licence v3.0

Property sales (Land Registry)

England & Wales

See sold prices in CF23

Police Recorded Crime near CF23 8RJ

England & Wales

Crime trends · near CF23 8RJ

Counts are for Pontprennau and Old St Mellons electoral ward, not a 1-mile police.uk street search around this postcode.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26

Key categories · YoY

Violent Crime

23

YoY stable

332211

Sep '24Mar '25Sep '25Mar '26Aug '26

ASB

32

YoY —

32172

Sep '24Mar '25Sep '25Mar '26Aug '26

Vehicle Crime

4

YoY —

1580

Sep '24Mar '25Sep '25Mar '26Aug '26

Burglary

0

YoY —

1050

Sep '24Mar '25Sep '25Mar '26Aug '26

Criminal damage

10

YoY —

1272

Sep '24Mar '25Sep '25Mar '26Aug '26

Other recorded crime

42

YoY +14%

422814

Sep '24Mar '25Sep '25Mar '26Aug '26

0 of 6 key categories improving · other recorded crime rising

111

incidents · Aug '26

Demographics (LSOA 2021 context)

Ethnicity

Total residents: 1,787

White Brit.76.1%

Other White5.6%

Other ethnic group: Arab2.8%

Indian2.3%

African2.1%

+ 12 other groups · 11.1%

Religion

Total residents: 1,787

Christian45.3%

No religion40.0%

Muslim7.5%

Not answered4.7%

Hindu1.1%

+ 4 other religions · 1.4%

Age groups

Total residents: 1,788

35–4924.2%

25–3420.0%

50–6416.9%

≤48.7%

5–97.5%

+ 6 other age groups · 22.8%

Households

Total households: 734

Married or civil partnership couple: Dependent children21.9%

One person: other17.9%

Cohabiting couple family: No children12.3%

Married or civil partnership couple: No children11.4%

Lone parent family: With dependent children8.3%

+ 9 other households · 28.2%

Getting around

Straight-line distance from this postcode. Walking time is approximate.

Stations

Llanishen Rail Station
Rail · SE Entrance
2.8 km straight lineabout 36 min
Lisvane & Thornhill Rail Station
Rail · East Entrance
3.2 km straight lineabout 40 min
Heath High Level Rail Station
Rail · NE Entrance
3.6 km straight lineabout 44 min

Bus stops

Youghal Close
Bus · after · west
85 m straight lineabout 1 min
Youghal Close
Bus · after · east
87 m straight lineabout 1 min
Pontprennau Community Centre
Bus · after · south-west
105 m straight lineabout 1 min
Pontprennau Community Centre
Bus · before · north-east
114 m straight lineabout 1 min
Sindercombe Cl
Bus · before · south-east
249 m straight lineabout 3 min

Coordinates & Location for CF23 8RJ

Wales

Country

Cardiff

Local Authority

Pontprennau and Old St Mellons

Ward

Cardiff

Travel to Work

TTWA

Postcode

CF23 8RJ

Coordinates

51.5362, -3.1409

Grid reference

ST209825

Easting

320,967

Northing

182,543

Region

Wales

Plus Code

9C3RGVP5+FJ

User Type

Small user postcode

Grid Quality

Quality indicator 1 (highest positional precision)

Built Up Area

Cardiff

Travel to Work

Cardiff

ITL Region

Cardiff

National Park

Non-National Park

Administrative Information

Cardiff

Local Authority

Council Area

Cardiff North W07000090

Constituency

W07000090

South Wales

Police Force

Wales

Ward

Pontprennau and Old St Mellons

Constituency code

W07000090

EU Electoral Region

Wales

Parish

Pontprennau

International Territorial Level

Cardiff

Health & NHS

Cardiff and Vale University Health Board

Health Authority

Serving (pseudo) Wales

NHS Wales

Wales

Cancer Alliance

National

Health Authority

Cardiff and Vale University Health Board

NHS Region

Wales

Integrated Care Board

Wales

Primary Care Org

Cardiff and Vale University Health Board

Sub ICB Location

Cardiff and Vale University

Cancer Alliance

Wales

Statistical Areas

LSOA 2021

Super Output Area

Cardiff 003B W01001842

W01001842

MSOA 2021

Mid Super Output

Cardiff 003 W02000369

W02000369

LSOA 2011

Super Output Area

Cardiff 003B W01001842

W01001842

MSOA 2011

Mid Super Output

Cardiff 003 W02000369

W02000369

Urban: Nearer to a major town or city

Rural/Urban Classification 2021

2001 Classification

(England/Wales) Urban ≥ 10k – less sparse: OA falls within urban settlements with a population of 10,000 or more and the wider surrounding area is less sparsely populated 5

2011 Classification

(England/Wales) Urban city and town C1

2021 Classification

Urban: Nearer to a major town or city UN1

Sun & Time Information

7:49 AM

Sunrise

6:03 PM

Sunset

10 hours 14 minutes of daylight today

Sunrise (today)

7:49 AM

Sunset (today)

6:03 PM

Daylight duration

10 hours 14 minutes

Time zone

GMT / BST (UTC +0 / +1)

Postcode History

June 2002

First Introduced

Active from

Not terminated

Usage Ended

Terminated

~24 years

Active Duration

2002 -> Present

June 2002 — Introduced

Postcode CF23 8RJ introduced by Royal Mail.

2011 — Reclassified

2011 Rural/Urban Classification: (England/Wales) Urban city and town C1.

2021 — Census Update

2021 Census classification: Urban: Nearer to a major town or city UN1. LSOA W01001842 and MSOA W02000369 assigned.

2025 — Indices of Deprivation

WIMD 2025 rank: 1805

Present — Active

Postcode CF23 8RJ is currently active and in use.

First introduced

June 2002

Usage ended

Not terminated

Active duration

~24 years

Last updated

2026-08-01

Current status

Live

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