The UK Postcode Database

CF23 9HH

a postcode in Cardiff

Introduced in June 1999
CF23 9HH 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 9HH

Roundwood Close - 23 properties, USRN 5803256

Southern Way - 1 property, USRN 5800585

Southern Way - 1 property, USRN 5800614

Southern Way - 1 property, USRN 5800618

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

Coordinates

Latitude: 51.5065 / 51°30'23"N

Longitude: -3.1476 / 3°8'51"W

UTM Reference: 30U 489754 5706161

OS Easting: 320447

OS Northing: 179242

OS Grid: ST204792

Location Encoding

Mapcode Local: GBR KR9.5X

Mapcode Global: VH6F7.DDBG

Open Location Code: 9C3RGV42+HW

Maidenhead Locator System: IO81km21

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 5b2

  • Ethnically Diverse Suburb-an Professionals
  • Suburban Professionals
  • Established Multi-Ethnic Suburbs

Index of Multiple Deprivation (IMD): 1656 / 1909

  • 9th decile
  • much less deprived

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

Sun and Moon Times for CF23 9HH on Thursday 11 June 2026

Nautical twilight begins (First light) 02:55
Civil twilight begins (Dawn) 04:08
Sunrise 04:55
Transit (sun is at its highest) 13:12
Sunset 21:29
Civil twilight ends (Dusk) 22:16
Nautical twilight ends (Nightfall) 23:28
Hours of daylight today04:25 to 21:59
Hours of darkness tonight
(lighting-up time)
21:59 to 04:25
Moon Phase Waning Crescent
Moon Rises 01:15
Moon sets 16:27

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

Residential Property Sales in CF23 9HH

DateAddressProperty TypeTenurePrice
14 December 2022 6 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Leasehold £320,000
11 March 2022 3 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £290,000
11 June 2021 19 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £295,000
15 December 2020 1 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £285,000
11 December 2020 3 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £215,000
5 April 2019 24 Roundwood Close, Penylan, Cardiff CF23 9HH Detached Freehold £303,000
27 September 2016 4 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £195,000
28 October 2015 13 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Leasehold £189,000
28 March 2013 12 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £170,000
5 September 2012 14 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Leasehold £171,500
6 August 2004 19 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £182,500
28 June 2002 17 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Leasehold £128,995
26 April 2002 24 Roundwood Close, Penylan, Cardiff CF23 9HH Detached Freehold £138,000
10 August 2001 1 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £96,500
28 February 2000 13 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Leasehold £72,000
26 November 1999 5 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £81,000
27 November 1998 7 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £70,000
15 March 1996 22 Roundwood Close, Penylan, Cardiff CF23 9HH Semi-detached Freehold £65,500

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 9HH

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 9HH

CodeNameData TypeData ThemeActive SinceData Owner
W00009414 Output Areas Statistical Building Block 1 January 2009 ONS
W01001828 Cardiff 024D Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
W02000390 Cardiff 024 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)
W35002543 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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