TW7 4DW

a postcode in Hounslow

Introduced in January 1980

TW7 4DW	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 TW7 4DW

Sidmouth Avenue - 36 properties, USRN 21501020

Crawford Close - 1 property, USRN 21500320

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

Coordinates

Latitude: 51.4738 / 51°28'25"N

Longitude: -0.3411 / 0°20'27"W

UTM Reference: 30U 684656 5705867

OS Easting: 515313

OS Northing: 176285

OS Grid: TQ153762

Location Encoding

Mapcode Local: GBR 69.W4D

Mapcode Global: VHGR2.17K1

Open Location Code: 9C3XFMF5+GH

Maidenhead Locator System: IO91tl93

Demographics

Urban/Rural Indicator: A1

major urban conurbation
a very large city or conurbation

ONS Population Classification: 4b2

Low-Skilled Migrant and Student Communities
Established Multi- Ethnic Communities
European Skilled Workforce

Index of Multiple Deprivation (IMD): 14763 / 32844

5th decile
slightly more deprived

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

Sun and Moon Times for TW7 4DW on Thursday 11 June 2026

Nautical twilight begins (First light)	02:45
Civil twilight begins (Dawn)	03:57
Sunrise	04:44
Transit (sun is at its highest)	13:01
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 04:14
Moon Phase	Waning Crescent
Moon Rises	01:02
Moon sets	16:15

For a full sun and moon calendar for TW7 4DW, go to The Time and Place

Residential Property Sales in TW7 4DW

Date	Address	Property Type	Tenure	Price
23 February 2024	27 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£555,000
24 March 2023	23 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£585,000
9 December 2022	19 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£530,000
26 October 2022	12 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£740,000
20 May 2022	20 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£660,000
26 October 2021	3 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£530,000
29 June 2021	8 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£585,000
29 January 2021	2 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£560,000
18 September 2020	33 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£525,000
29 May 2020	18 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£460,000
1 August 2018	24 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£575,000
6 December 2016	6 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£520,000
12 October 2015	20 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£151,000
5 June 2015	15 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£420,000
4 November 2014	7 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£542,500
2 May 2014	4 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£405,000
28 February 2014	10 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Leasehold	£93,750
20 January 2014	14 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£400,000
28 November 2011	28 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£318,000
29 October 2008	29 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£250,000
21 December 2007	24 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£422,500
10 March 2006	8 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£260,000
26 July 2005	16 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£310,000
25 July 2005	36 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£274,000
27 June 2003	34 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£240,000
29 August 2002	35 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£199,950
3 September 2001	14 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£188,000
26 January 2001	4 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£171,000
10 October 2000	5 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£170,000
14 August 2000	7 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£195,000
24 July 1998	26 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£134,950
16 July 1998	21 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£155,000
14 November 1997	27 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£37,000
30 June 1997	24 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£90,000
27 June 1997	16 Sidmouth Avenue, Isleworth TW7 4DW	Terraced (including end-of-terrace)	Freehold	£125,000
25 October 1996	32 Sidmouth Avenue, Isleworth TW7 4DW	Semi-detached	Freehold	£80,000

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 TW7 4DW

United Kingdom Parliament

Constituency

Brentford and Isleworth

MP

Ruth Cadbury 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

Osterley & Spring Grove

Councillors

Tony Louki Labour

Unsa Chaudri Labour

Aftab Siddiqui Labour

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

Government Statistical Services (GSS) data for TW7 4DW

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00013302		Output Areas	Statistical Building Block	1 January 2009	ONS
E01002677	Hounslow 015E	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02000540	Hounslow 015	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E05013626	Osterley & Spring Grove	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
E14001124	Brentford and Isleworth	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000001	Metropolitan Police	Police Force Areas	Other	1 January 2009	Home Office
E30000266	Slough and Heathrow	Travel to Work Areas	Other	31 July 2015	ONS
E32000013	South West	London Assembly Constituencies	Electoral	6 May 2010	Greater London Authority
E33034598		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