The UK Postcode Database

BT21 0AA

a postcode in North Down and Ards

Introduced in December 1984
BT21 0AA 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.

Coordinates

Latitude: 54.6423 / 54°38'32"N

Longitude: -5.5371 / 5°32'13"W

UTM Reference: 30U 336283 6057950

OS Easting: 359048

OS Northing: 379920

OS Grid: SJ590799

Location Encoding

Mapcode Local: IRL YG.TG7J

Mapcode Global: GBR RV.H5QG

Open Location Code: 9C6PJFR7+W5

Maidenhead Locator System: IO74fp54

Demographics

Urban/Rural Indicator:

ONS Population Classification: 7a2

  • Constrained City Dwellers
  • Challenged Diversity
  • Hampered Aspiration

Index of Multiple Deprivation (IMD): 508 / 890

  • 6th decile
  • slightly less deprived

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

Sun and Moon Times for BT21 0AA on Friday 5 June 2026

Nautical twilight begins (First light) 02:11
Civil twilight begins (Dawn) 03:55
Sunrise 04:49
Transit (sun is at its highest) 13:20
Sunset 21:52
Civil twilight ends (Dusk) 22:46
Nautical twilight ends (Nightfall) 00:29
Hours of daylight today04:19 to 22:22
Hours of darkness tonight
(lighting-up time)
22:22 to 04:18
Moon Phase Waning Gibbous
Moon Rises 00:15
Moon sets 08:18

For a full sun and moon calendar for BT21 0AA, go to The Time and Place

Elected Representatives for BT21 0AA

United Kingdom Parliament
Constituency

North Down

MP

Alex Easton Independent

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

Government Statistical Services (GSS) data for BT21 0AA

CodeNameData TypeData ThemeActive SinceData Owner
N05000013 North Down Westminster Parliamentary Constituencies Electoral 4 July 2024 BCNI
N08001119 Donaghadee Electoral Wards Administrative/Electoral 1 April 2015 NISRA
N09000011 North Down and Ards Local Government Districts Administrative 1 April 2015 NISRA
N12000002 Belfast Travel to Work Areas Other 31 July 2015 ONS
N19000068 Workplace Zones Census 31 December 2011 NISRA
N20003718 Bangor_East_and_Donaghadee_J5 Data Zones Census 21 March 2021 NISRA
N21000837 Bangor_East_and_Donaghadee_J Super Data Zones Census 21 March 2021 NISRA
N92000002 Northern Ireland 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.

Page generated in 3.74 seconds. 216.73.217.78. Fri, 05 Jun 2026 18:01:23 +0100. Cretaceous Aardvark.