W4 3LL

a postcode in Hounslow

Introduced in January 1980

W4 3LL	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.

Streets Associated with W4 3LL

St Mary's Grove - 28 properties, USRN 21500988

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.4872 / 51°29'13"N

Longitude: -0.2745 / 0°16'28"W

UTM Reference: 30U 689219 5707523

OS Easting: 519897

OS Northing: 177878

OS Grid: TQ198778

Location Encoding

Mapcode Local: GBR 8T.1GD

Mapcode Global: VHGQX.6W6B

Open Location Code: 9C3XFPPG+V5

Maidenhead Locator System: IO91ul76

Demographics

Urban/Rural Indicator: A1

major urban conurbation
a very large city or conurbation

ONS Population Classification: 6c1

Baseline UK
Multicultural Inner Suburbs
Transient Communities

Index of Multiple Deprivation (IMD): 22012 / 32844

7th decile
somewhat less deprived

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

Sun and Moon Times for W4 3LL on Thursday 11 June 2026

Nautical twilight begins (First light)	02:44
Civil twilight begins (Dawn)	03:57
Sunrise	04:44
Transit (sun is at its highest)	13:00
Sunset	21:17
Civil twilight ends (Dusk)	22:04
Nautical twilight ends (Nightfall)	23:16

Hours of daylight today	04:14 to 21:47
Hours of darkness tonight (lighting-up time)	21:47 to 04:13
Moon Phase	Waning Crescent
Moon Rises	01:02
Moon sets	16:14

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

Residential Property Sales in W4 3LL

Date	Address	Property Type	Tenure	Price
1 May 2024	13 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,467,777
8 September 2022	4 St Marys Grove, London W4 3LL	Detached	Freehold	£2,118,500
22 November 2021	3 St Marys Grove, London W4 3LL	Semi-detached	Freehold	£1,636,000
30 June 2021	16 St Marys Grove, London W4 3LL	Detached	Freehold	£1,691,000
30 April 2021	13 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,335,000
19 November 2020	18 St Marys Grove, London W4 3LL	Flat/apartment	Leasehold	£560,250
9 April 2020	11 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,425,000
16 August 2018	18 St Marys Grove, London W4 3LL	Flat/apartment	Leasehold	£487,650
23 February 2017	4 St Marys Grove, London W4 3LL	Detached	Freehold	£1,444,740
13 December 2016	20 St Marys Grove, London W4 3LL	Detached	Freehold	£1,504,000
20 April 2016	8 St Marys Grove, London W4 3LL	Detached	Freehold	£1,550,000
19 June 2015	19 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,295,000
15 March 2013	17 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,050,000
30 November 2012	19 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,050,000
19 January 2012	14 St Marys Grove, London W4 3LL	Detached	Freehold	£1,040,000
2 September 2011	8 St Marys Grove, London W4 3LL	Detached	Freehold	£1,250,000
21 January 2011	11 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,020,000
12 August 2010	13 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£1,040,000
27 August 2009	18 St Marys Grove, London W4 3LL	Flat/apartment	Leasehold	£293,000
14 August 2009	3 St Marys Grove, London W4 3LL	Semi-detached	Freehold	£1,026,000
28 February 2008	6 St Marys Grove, London W4 3LL	Detached	Freehold	£1,130,000
17 December 2007	18a St Marys Grove, London W4 3LL	Flat/apartment	Leasehold	£425,000
8 October 2007	13 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£950,000
5 October 2007	19 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£800,000
27 May 2005	16 St Marys Grove, London W4 3LL	Detached	Freehold	£800,000
1 September 2004	16 St Marys Grove, London W4 3LL	Detached	Freehold	£600,000
27 February 2004	15 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£611,000
25 November 2003	8 St Marys Grove, London W4 3LL	Detached	Freehold	£487,500
2 August 2002	18 St Marys Grove, London W4 3LL	Flat/apartment	Leasehold	£195,000
24 March 2000	6 St Marys Grove, London W4 3LL	Detached	Freehold	£620,000
29 July 1998	23 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£297,000
29 January 1997	3 St Marys Grove, London W4 3LL	Semi-detached	Freehold	£275,000
16 December 1996	11 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£230,000
13 August 1996	11 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£150,000
10 August 1995	15 St Marys Grove, London W4 3LL	Terraced (including end-of-terrace)	Freehold	£243,000

Key to property sale icons:

	First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
	Subsequent sale of existing property.
	Standard sale at market value to private individual.
	Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for W4 3LL

United Kingdom Parliament

Constituency

Hammersmith and Chiswick

MP

Andrew Slaughter Labour

London Assembly

Assembly Constituency

South West

Assembly Member

Gareth Roberts Liberal Democrat

Londonwide Members

Assembly Members

Elly Baker Labour

Emma Best Conservative

Andrew Boff Conservative

Hina Bokhari Liberal Democrat

Zoë Garbett Green

Alessandro Georgiou Conservative

Susan Hall Conservative

Lord Bailey of Paddington Conservative

Zack Polanski Green

Caroline Russell Green

Alex Wilson Reform UK

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 3LL

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00012832		Output Areas	Statistical Building Block	1 January 2009	ONS
E01002582	Hounslow 008E	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
E32000013	South West	London Assembly Constituencies	Electoral	6 May 2010	Greater London Authority
E33034561		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
E61000001	Greater London Authority	Greater London Authority	Administrative	3 July 2000	ONS
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