Map of CF3 9YY postcode No longer in use

General information

Postcode	CF3 9YY
Post Town	Cardiff
Nearest station	Llanishen (5 km)
Bus stops	No nearby bus stops
Known addresses	No addresses found
Businesses	No businesses found

Geography

	Latitude	51.54064
	Longitude	-3.110238
	Easting	323099
	Northing	183000
	Grid reference	ST230830
	UTM reference	30U 492354 5709954
	what3words	cook.drain.exit
	FixPhrase	cringing lure slang unstuffed
	Plus code	9C3RGVRQ+7W
	Altitude	43 metres (142 feet)
	Sunrise (today)	7:12
	Sunset (today)	16:42
	Distance away
	Distance to sea	4.5 KMs (2.8 miles)

Administrative areas

Parish	Old St. Mellons	W04000888
Ward	Pontprennau and Old St Mellons	W05001290
Unitary Authority	Cardiff	W06000015
County	South Glamorgan	W11000007
Constituency (2024)	Cardiff North	W07000090
MP	Anna McMorrin	Labour
Police force	South Wales
NUTS/ITL 3	Cardiff and Vale of Glamorgan
NUTS/ITL 2	South East Wales
NUTS/ITL 1	Wales
Country	Wales	W92000004

Data

Date introduced	June 1998
Date usage ended	June 1999
Last updated	September 2025
User type	Large (addresses receive more than 25 items of mail per day)
Quality	Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference

Demographics

Index of Multiple Deprivation (2019)	1,700 / 1,909 Most deprivedLeast deprived
Average household income (2020)	£52,900 Lowest (£22,200) Highest (£108,100)
Rural/urban (2021)	Urban: Nearer to a major town or city
Rural/urban (2011)	Urban city and town
Census output area (2021)	W00010534
Census output area (2011)	6A1
Lower layer super output area (2021)	Cardiff 003E	W01002016
Lower layer super output area (2011)	Cardiff 003C	W01001843
Middle layer super output area (2021)	Pontprennau	W02000369
Middle layer super output area (2011)	Pontprennau	W02000369
Travel to work area	Cardiff	W22000024

Property sales

Average property price in Cardiff	£222,873
Annual change	2.8%
View all properties sold in the CF postcode area

Properties recently sold in this postcode

No recent recorded sales

View all properties sold in the CF3 9 sector

Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license