SA1 8YJ

a terminated large user postcode in Swansea

Introduced in December 1999, terminated in October 2000

SA1 8YJ	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: 51.6233 / 51°37'23"N

Longitude: -3.9207 / 3°55'14"W

UTM Reference: 30U 436265 5719543

OS Easting: 267139

OS Northing: 193356

OS Grid: SS671933

Location Encoding

Mapcode Local: GBR WWJ.21

Mapcode Global: VH4KB.0G4F

Open Location Code: 9C3RJ3FH+8P

Maidenhead Locator System: IO81ao99

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 7b1

Semi- and Un-Skilled Workforce
Young Families in Industrial Towns
Terraces in Transitional Towns

Index of Multiple Deprivation (IMD): 749 / 1909

4th decile
somewhat more deprived

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

Sun and Moon Times for SA1 8YJ on Friday 5 June 2026

Nautical twilight begins (First light)	03:03
Civil twilight begins (Dawn)	04:14
Sunrise	05:00
Transit (sun is at its highest)	13:14
Sunset	21:27
Civil twilight ends (Dusk)	22:14
Nautical twilight ends (Nightfall)	23:24

Hours of daylight today	04:30 to 21:57
Hours of darkness tonight (lighting-up time)	21:57 to 04:29
Moon Phase	Waning Gibbous
Moon Sets	08:26

For a full sun and moon calendar for SA1 8YJ, go to The Time and Place

Elected Representatives for SA1 8YJ

United Kingdom Parliament

Constituency

Neath and Swansea East

MP

Carolyn Harris Labour

Swansea Council

Unitary Authority electoral division (UTE)

St Thomas

Councillors

Hayley Gwilliam Labour

Joe Hale Labour

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

Government Statistical Services (GSS) data for SA1 8YJ

Code	Name	Data Type	Data Theme	Active Since	Data Owner
W00004547		Output Areas	Statistical Building Block	1 January 2009	ONS
W01000852	Swansea 021D	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
W02000188	Swansea 021	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
W04001035	St Thomas	Communities	Administrative	5 May 2022	WG (LGBC)
W05001065	St Thomas	Electoral Wards	Administrative/Electoral	5 May 2022	WG (LGBC)
W06000011	Swansea	Unitary Authorities	Administrative	1 January 2009	WG (LGBC)
W07000103	Neath and Swansea East	Westminster Parliamentary Constituencies	Electoral	4 July 2024	WG (BC)
W11000031	Swansea Bay University Health Board	Local Health Boards	Health	1 April 2019	WG (Health)
W15000003	South Wales	Police Force Areas	Other	1 January 2009	Home Office
W16000002	South West / Mid Wales	Department for Children, Education, Lifelong Learning and Skills, WG	Other	1 January 2009	WG (Educ)
W22000032	Swansea	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)
W35001735		Workplace Zones	Census	31 December 2011	ONS
W45001113	Swansea	Built Up Areas	Census	17 April 2024	OS
W92000004	Wales	Country	Administrative	1 January 2009	ONS

The UK Postcode Database