Map of BT31 9EG postcode

General information

Postcode	BT31 9EG
Post Town	Castlewellan
Businesses	No businesses found

Geography

	Latitude	54.257081
	Longitude	-5.938028
	Easting	143611
	Northing	491761
	Grid reference	SB436917
	UTM reference	30U 308628 6016109
	what3words	ribcage.scoping.digital
	FixPhrase	crumb lividly splashed thinner
	Plus code	9C6P7346+RQ
	Altitude	117 metres (384 feet)
	Sunrise (today)	8:10
	Sunset (today)	18:07
	Distance away
	Distance to sea	5.1 KMs (3.2 miles)

Administrative areas

Ward	Castlewellan	N08001011
District	Newry, Mourne and Down	N09000010
Constituency (2024)	South Down	N05000015
MP	Chris Hazzard	Sinn Féin
Police force	PSNI
Water company	Northern Ireland Water
NUTS/ITL 3	Newry, Mourne and Down
NUTS/ITL 2	Northern Ireland
NUTS/ITL 1	Northern Ireland
Country	Northern Ireland	N92000002

Data

Date introduced	December 1984
Last updated	September 2025
User type	Small (addresses receive less than 25 items of mail per day)
Quality	Within the building of the matched address closest to the postcode mean

Demographics

Population (2011)	39
Households (2011)	13
Index of Multiple Deprivation (2019)	455 / 890 Most deprivedLeast deprived
Census output area (2021)	N20003342
Census output area (2011)	5B2
Lower layer super output area (2011)	Castlewellan 2	95NN06S2
Travel to work area	Newry and Banbridge	N12000009

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