SN3 4XX

a postcode in Swindon

Introduced in September 1991

SN3 4XX	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 SN3 4XX

Ash Gardens - 11 properties, USRN 83875381

Ash Gardens - 1 property, USRN 40201187

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

Coordinates

Latitude: 51.5866 / 51°35'11"N

Longitude: -1.7254 / 1°43'31"W

UTM Reference: 30U 588305 5715834

OS Easting: 419122

OS Northing: 187567

OS Grid: SU191875

Location Encoding

Mapcode Local: GBR 4V4.GM4

Mapcode Global: VHC0X.1DQ1

Open Location Code: 9C3WH7PF+MR

Maidenhead Locator System: IO91do20

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 1c2

Retired Professionals
Established Mature Families
Burgeoning Mature Families

Index of Multiple Deprivation (IMD): 24169 / 32844

8th decile
less deprived

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

Sun and Moon Times for SN3 4XX on Thursday 2 July 2026

Nautical twilight begins (First light)	02:54
Civil twilight begins (Dawn)	04:07
Sunrise	04:54
Transit (sun is at its highest)	13:11
Sunset	21:27
Civil twilight ends (Dusk)	22:14
Nautical twilight ends (Nightfall)	23:27

Hours of daylight today	04:24 to 21:57
Hours of darkness tonight (lighting-up time)	21:57 to 04:25
Moon Phase	Waning Gibbous
Moon Sets	06:00
Moon Rises	22:07

For a full sun and moon calendar for SN3 4XX, go to The Time and Place

Residential Property Sales in SN3 4XX

Date	Address	Property Type	Tenure	Price
31 July 2017	4 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£495,000
23 June 2017	8 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£420,000
3 March 2017	3 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£483,500
29 October 2009	8 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£280,000
14 May 2004	3 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£347,500
8 October 2002	1 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£282,000
12 July 2002	8 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£230,000
21 June 2002	6 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£250,000
30 May 2001	10 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£212,500
29 July 1999	7 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£144,000
2 July 1999	8 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£151,500
30 November 1995	6 Ash Gardens, South Marston, Swindon SN3 4XX	Detached	Freehold	£112,000

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 SN3 4XX

United Kingdom Parliament

Constituency

Swindon North

MP

Will Stone Labour

Swindon Borough Council

Unitary Authority ward (UTW)

St Margaret and South Marston

Councillors

Tom Butcher Labour

Simon Shelley Labour

Matthew Vallender Conservative

SN3 4XX also falls within the Civil Parish of South Marston, which has its own parish council and parish councillors. These are not shown here.

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

Government Statistical Services (GSS) data for SN3 4XX

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00078252		Output Areas	Statistical Building Block	1 January 2009	ONS
E01015473	Swindon 008A	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02003219	Swindon 008	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E04012669	South Marston	Civil Parishes	Administrative	1 April 2017	DLUHC
E05008969	St Margaret and South Marston	Electoral Wards/Divisions	Administrative/Electoral	3 May 2012	DLUHC
E06000030	Swindon	Unitary Authorities	Administrative	1 January 2009	DLUHC
E12000009	South West	Regions	Administrative	1 January 2009	DLUHC
E14001536	Swindon North	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000038	Wiltshire	Police Force Areas	Other	1 January 2009	Home Office
E30000276	Swindon	Travel to Work Areas	Other	31 July 2015	ONS
E33045977		Workplace Zones	Census	31 December 2011	ONS
E37000033	Swindon and Wiltshire	Local Enterprise Partnerships	Other	21 July 2011	BEIS
E38000231	NHS Bath and North East Somerset, Swindon and Wiltshire ICB - 92G	Sub Integrated Care Board Locations	Health	1 July 2022	ODS
E40000006	South West	NHS England Regions	Health	1 April 2018	ODS
E54000040	Bath, Swindon and Wiltshire	Integrated Care Boards	Health	1 April 2016	NHS
E56000034	Thames Valley	Cancer Alliances	Health	1 July 2023	NHS England
E63011948	Stratton St Margaret	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