The UK Postcode Database

CF23 9AX

a postcode in Cardiff

Introduced in June 1999
CF23 9AX Normal (geographic) postcodes Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with CF23 9AX

Colchester Avenue - 17 properties, USRN 5800472

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.4986 / 51°29'54"N

Longitude: -3.1563 / 3°9'22"W

UTM Reference: 30U 489153 5705286

OS Easting: 319834

OS Northing: 178375

OS Grid: ST198783

Location Encoding

Mapcode Local: GBR KPD.7R

Mapcode Global: VH6F7.7LRJ

Open Location Code: 9C3RFRXV+CF

Maidenhead Locator System: IO81kl19

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 5b1

  • Ethnically Diverse Suburb-an Professionals
  • Suburban Professionals
  • Families in Multi-Ethnic Terraces

Index of Multiple Deprivation (IMD): 1344 / 1909

  • 8th decile
  • less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for CF23 9AX on Saturday 13 June 2026

Nautical twilight begins (First light) 02:54
Civil twilight begins (Dawn) 04:07
Sunrise 04:55
Transit (sun is at its highest) 13:12
Sunset 21:30
Civil twilight ends (Dusk) 22:17
Nautical twilight ends (Nightfall) 23:30
Hours of daylight today04:25 to 22:00
Hours of darkness tonight
(lighting-up time)
22:00 to 04:24
Moon Phase Waning Crescent
Moon Rises 01:58
Moon sets 19:25

For a full sun and moon calendar for CF23 9AX, go to The Time and Place

Residential Property Sales in CF23 9AX

DateAddressProperty TypeTenurePrice
22 July 2022 43 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £635,000
2 December 2021 49 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £530,000
27 April 2017 63 Colchester Avenue, Penylan, Cardiff CF23 9AX Terraced (including end-of-terrace) Freehold £330,000
25 May 2007 61 Colchester Avenue, Penylan, Cardiff CF23 9AX Terraced (including end-of-terrace) Freehold £307,500
15 October 2004 47 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £270,000
3 October 2003 63 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £250,000
28 July 2000 55 Colchester Avenue, Penylan, Cardiff CF23 9AX Detached Freehold £199,950
26 April 1999 61 Colchester Avenue, Penylan, Cardiff CF23 9AX Terraced (including end-of-terrace) Freehold £108,950
17 February 1999 49 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £135,000
18 December 1998 43 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £120,000
14 January 1997 47 Colchester Avenue, Penylan, Cardiff CF23 9AX Semi-detached Freehold £112,000

Key to property sale icons:

First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
Subsequent sale of existing property.
Standard sale at market value to private individual.
Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for CF23 9AX

United Kingdom Parliament
Constituency

Cardiff East

MP

Jo Stevens Labour

Senedd
Constituency

Cardiff Central

Senedd Member

Jenny Rathbone Welsh Labour

Region

South Wales Central

Senedd Members

Rhys ab Owen Independent Member

Andrew RT Davies Welsh Conservative Party

Heledd Fychan Plaid Cymru

Joel James Welsh Conservative Party

Cardiff Council
Unitary Authority electoral division (UTE)

Penylan

Councillors

Imran Latif Liberal Democrats

Rodney Berman Liberal Democrats

Jon Shimmin Liberal Democrats

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for CF23 9AX

CodeNameData TypeData ThemeActive SinceData Owner
W00009394 Output Areas Statistical Building Block 1 January 2009 ONS
W01001822 Cardiff 029A Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
W02000395 Cardiff 029 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
W04000860 Penylan Communities Administrative 1 January 2010 WG (LGBC)
W05001288 Penylan Electoral Wards Administrative/Electoral 5 May 2022 WG (LGBC)
W06000015 Cardiff Unitary Authorities Administrative 1 January 2009 WG (LGBC)
W07000089 Cardiff East Westminster Parliamentary Constituencies Electoral 4 July 2024 WG (BC)
W09000031 Cardiff Central Senedd Constituencies Electoral 1 January 2012 WG (BC)
W10000007 South Wales Central Senedd Electoral Regions Electoral 1 January 2012 WG (BC)
W11000029 Cardiff and Vale University Health Board Local Health Boards Health 1 October 2009 WG (Health)
W15000003 South Wales Police Force Areas Other 1 January 2009 Home Office
W16000004 South East Wales Department for Children, Education, Lifelong Learning and Skills, WG Other 1 January 2009 WG (Educ)
W22000024 Cardiff Travel to Work Areas Other 31 July 2015 ONS
W31000001 Wales Non-National Park Area Wales Non-National Park Area Other 1 January 2009 WG (Envt)
W35002565 Workplace Zones Census 31 December 2011 ONS
W45001208 Cardiff Built Up Areas Census 17 April 2024 OS
W92000004 Wales Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

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