SO17 1SW

a postcode in Southampton

Introduced in December 1994

SO17 1SW	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 SO17 1SW

Welbeck Avenue - 7 properties, USRN 37011615

Hartley Avenue - 1 property, USRN 37010421

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

Coordinates

Latitude: 50.9323 / 50°55'56"N

Longitude: -1.3946 / 1°23'40"W

UTM Reference: 30U 612810 5643524

OS Easting: 442638

OS Northing: 114937

OS Grid: SU426149

Location Encoding

Mapcode Local: GBR RRZ.K2

Mapcode Global: FRA 76ZN.0HG

Open Location Code: 9C2WWJJ4+W5

Maidenhead Locator System: IO90hw23

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 5a1

Ethnically Diverse Suburb-an Professionals
Outer Suburbs
Outer Suburb Asian Mix

Index of Multiple Deprivation (IMD): 29394 / 32844

9th decile
much less deprived

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

Sun and Moon Times for SO17 1SW on Sunday 7 June 2026

Nautical twilight begins (First light)	03:00
Civil twilight begins (Dawn)	04:07
Sunrise	04:53
Transit (sun is at its highest)	13:04
Sunset	21:15
Civil twilight ends (Dusk)	22:01
Nautical twilight ends (Nightfall)	23:08

Hours of daylight today	04:23 to 21:45
Hours of darkness tonight (lighting-up time)	21:45 to 04:22
Moon Phase	Last Quarter
Moon Rises	00:13
Moon sets	10:52

For a full sun and moon calendar for SO17 1SW, go to The Time and Place

Residential Property Sales in SO17 1SW

Date	Address	Property Type	Tenure	Price
16 September 2019	5 Welbeck Avenue, Highfield, Southampton SO17 1SW	Detached	Freehold	£432,500
18 July 2014	3 Welbeck Avenue, Highfield, Southampton SO17 1SW	Flat/apartment	Leasehold	£187,250
16 October 2007	3 Welbeck Avenue, Southampton SO17 1SW	Flat/apartment	Leasehold	£170,000
30 January 2003	5 Welbeck Avenue, Southampton SO17 1SW	Detached	Freehold	£340,860
20 September 2002	3a Welbeck Avenue, Southampton SO17 1SW	Flat/apartment	Leasehold	£132,250
25 January 2002	5 Welbeck Avenue, Southampton SO17 1SW	Detached	Freehold	£265,000
30 November 1999	1 Welbeck Avenue, Southampton SO17 1SW	Detached	Leasehold	£215,000
1 September 1995	3a Welbeck Avenue, Southampton SO17 1SW	Flat/apartment	Leasehold	£52,000

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 SO17 1SW

United Kingdom Parliament

Constituency

Southampton Test

MP

Satvir Kaur Labour

Southampton City Council

Unitary Authority ward (UTW)

Swaythling

Councillors

Lorna Fielker Labour

Matthew Bunday Labour

Thomas Gravatt Liberal Democrats

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

Government Statistical Services (GSS) data for SO17 1SW

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00087024		Output Areas	Statistical Building Block	31 December 2011	ONS
E01017230	Southampton 009C	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E01032753	Southampton 009F	Lower layer Super Output Areas	Statistical Building Block	31 December 2011	ONS
E02003557	Southampton 009	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E05015504	Swaythling	Electoral Wards/Divisions	Administrative/Electoral	4 May 2023	DLUHC
E06000045	Southampton	Unitary Authorities	Administrative	1 January 2009	DLUHC
E12000008	South East	Regions	Administrative	1 January 2009	DLUHC
E14001500	Southampton Test	Westminster Parliamentary Constituencies	Electoral	4 July 2024	LGBC
E23000030	Hampshire	Police Force Areas	Other	1 January 2009	Home Office
E30000267	Southampton	Travel to Work Areas	Other	31 July 2015	ONS
E33040960		Workplace Zones	Census	31 December 2011	ONS
E37000055	Solent	Local Enterprise Partnerships	Other	1 April 2020	BEIS
E38000253	NHS Hampshire, Southampton and Isle of Wight CCG	Sub Integrated Care Board Locations	Health	1 April 2021	ODS
E40000005	South East	NHS England Regions	Health	1 April 2018	ODS
E43000036	Southampton, unparished area	Non-Civil Parished Areas	Census	31 December 2011	ONS
E54000042	NHS Hampshire and Isle of Wight Integrated Care Board	Integrated Care Boards	Health	1 July 2022	ODS
E56000016	Wessex	Cancer Alliances	Health	1 September 2016	NHS England
E63013524	Southampton	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