W4 3XN

a terminated large user postcode in Hounslow

Introduced in September 2002, terminated in March 2004

W4 3XN	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: 51.4879 / 51°29'16"N

Longitude: -0.2734 / 0°16'24"W

UTM Reference: 30U 689298 5707611

OS Easting: 519977

OS Northing: 177965

OS Grid: TQ199779

Location Encoding

Mapcode Local: GBR 8S.V2D

Mapcode Global: VHGQX.6VVQ

Open Location Code: 9C3XFPQG+5M

Maidenhead Locator System: IO91ul77

Demographics

Urban/Rural Indicator: A1

major urban conurbation
a very large city or conurbation

ONS Population Classification: 4b4

Low-Skilled Migrant and Student Communities
Established Multi- Ethnic Communities
Ethnic Minority Routine Service Workers

Index of Multiple Deprivation (IMD): 12986 / 32844

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 W4 3XN on Thursday 4 June 2026

Nautical twilight begins (First light)	02:52
Civil twilight begins (Dawn)	04:01
Sunrise	04:47
Transit (sun is at its highest)	12:59
Sunset	21:11
Civil twilight ends (Dusk)	21:57
Nautical twilight ends (Nightfall)	23:06

Hours of daylight today	04:17 to 21:41
Hours of darkness tonight (lighting-up time)	21:41 to 04:16
Moon Phase	Waning Gibbous
Moon Sets	06:55
Moon Rises	23:38

For a full sun and moon calendar for W4 3XN, go to The Time and Place

Elected Representatives for W4 3XN

United Kingdom Parliament

Constituency

Hammersmith and Chiswick

MP

Andrew Slaughter Labour

Hounslow Borough Council

London borough ward

Chiswick Riverside

Councillors

Gabriella Giles Conservative

Peter Thompson Conservative

Amy Croft Labour

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

Government Statistical Services (GSS) data for W4 3XN

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00012826		Output Areas	Statistical Building Block	1 January 2009	ONS
E01002576	Hounslow 008A	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02000533	Hounslow 008	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E05013611	Chiswick Riverside	Electoral Wards/Divisions	Administrative/Electoral	5 May 2022	DLUHC
E09000018	Hounslow	London Boroughs	Administrative	1 January 2009	DLUHC
E12000007	London	Regions	Administrative	1 January 2009	DLUHC
E14001264	Hammersmith and Chiswick	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000001	Metropolitan Police	Police Force Areas	Other	1 January 2009	Home Office
E30000234	London	Travel to Work Areas	Other	31 July 2015	ONS
E33034563		Workplace Zones	Census	31 December 2011	ONS
E37000051	London	Local Enterprise Partnerships	Other	1 April 2020	BEIS
E38000256	NHS North West London ICB - W2U3Z	Sub Integrated Care Board Locations	Health	1 July 2022	ODS
E40000003	London	NHS England Regions	Health	1 April 2013	ODS
E43000208	Hounslow, unparished area	Non-Civil Parished Areas	Census	31 December 2011	ONS
E54000027	North West London Health and Care Partnership	Integrated Care Boards	Health	1 April 2019	NHS
E56000021	North West and South West London	Cancer Alliances	Health	1 July 2019	NHS England
E63012107	Hounslow	Built Up Areas	Census	17 April 2024	OS
E65000001	England Non-National Park Area	England Non-National Park Area	Census	27 February 2023	ONS
E92000001	England	Country	Administrative	1 January 2009	ONS

The UK Postcode Database