SO18 3BY

a postcode in Hampshire

Introduced in December 1994

SO18 3BY	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 SO18 3BY

Chalk Hill - 33 properties, USRN 13317057

Clifton Gardens - 1 property, USRN 13317669

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

Coordinates

Latitude: 50.9258 / 50°55'32"N

Longitude: -1.3444 / 1°20'39"W

UTM Reference: 30U 616357 5642873

OS Easting: 446176

OS Northing: 114238

OS Grid: SU461142

Location Encoding

Mapcode Local: GBR 87K.WFJ

Mapcode Global: FRA 862N.G30

Open Location Code: 9C2WWMG4+77

Maidenhead Locator System: IO90hw82

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 5b2

Ethnically Diverse Suburb-an Professionals
Suburban Professionals
Established Multi-Ethnic Suburbs

Index of Multiple Deprivation (IMD): 25295 / 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 SO18 3BY on Monday 29 June 2026

Nautical twilight begins (First light)	02:58
Civil twilight begins (Dawn)	04:08
Sunrise	04:54
Transit (sun is at its highest)	13:08
Sunset	21:23
Civil twilight ends (Dusk)	22:09
Nautical twilight ends (Nightfall)	23:18

Hours of daylight today	04:24 to 21:53
Hours of darkness tonight (lighting-up time)	21:53 to 04:25
Moon Phase	Full Moon
Moon Sets	02:35
Moon Rises	20:43

For a full sun and moon calendar for SO18 3BY, go to The Time and Place

Residential Property Sales in SO18 3BY

Date	Address	Property Type	Tenure	Price
28 June 2024	67 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£460,000
21 November 2023	29 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£420,000
21 December 2021	33 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£395,000
30 June 2021	57 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£400,000
12 October 2018	65 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£425,000
27 July 2018	79 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£500,000
18 May 2018	53 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£337,000
28 March 2018	79 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£535,000
13 January 2018	69 Chalk Hill, West End, Southampton SO18 3BY	Semi-detached	Freehold	£520,000
19 October 2017	81 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£663,500
22 November 2016	37 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£390,000
29 April 2015	57 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£355,000
28 May 2014	Beggars Roost, 41, Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£365,500
3 December 2013	31 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£280,000
4 November 2013	63 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£350,000
23 March 2012	31 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£242,500
31 January 2012	57 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£299,995
21 December 2011	59 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£418,000
1 December 2011	Beggars Roost, 41, Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£320,000
28 May 2010	51 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£267,500
31 March 2010	69 Chalk Hill, West End, Southampton SO18 3BY	Semi-detached	Freehold	£270,000
13 October 2008	73 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£460,000
9 October 2008	57 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£250,000
28 June 2007	81 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£545,000
7 June 2006	85 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£465,000
4 January 2006	29 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£247,000
29 August 2003	81 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£295,000
18 February 2003	73 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£270,000
14 February 2003	75 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£275,000
10 December 2001	51 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£183,000
25 September 2000	33 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£150,000
29 March 1999	83 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£181,000
17 October 1997	35 Chalk Hill, West End, Southampton SO18 3BY	Semi-detached	Freehold	£95,000
31 October 1996	25 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£76,000
24 October 1996	23 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£73,000
18 October 1996	83 Chalk Hill, West End, Southampton SO18 3BY	Detached	Freehold	£145,000

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 SO18 3BY

United Kingdom Parliament

Constituency

Eastleigh

MP

Liz Jarvis Liberal Democrat

Hampshire County Council

County council electoral division

Hedge End & West End South

Councillor

Tonia Craig Liberal Democrats

Eastleigh Borough Council

District council ward

West End South

Councillors

Barry Du-Crow Liberal Democrats

Janice Asman Liberal Democrats

SO18 3BY also falls within the Civil Parish of West End, 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 SO18 3BY

Code	Name	Data Type	Data Theme	Active Since	Data Owner
E00115471		Output Areas	Statistical Building Block	1 January 2009	ONS
E01022718	Eastleigh 009F	Lower layer Super Output Areas	Statistical Building Block	1 February 2004	ONS
E02004720	Eastleigh 009	Middle layer Super Output Areas	Statistical Building Block	1 August 2004	ONS
E04012910	West End	Civil Parishes	Administrative	1 April 2019	DLUHC
E05011200	West End South	Electoral Wards/Divisions	Administrative/Electoral	3 May 2018	DLUHC
E07000086	Eastleigh	Non-metropolitan Districts	Administrative	1 January 2009	DLUHC
E10000014	Hampshire	Counties	Administrative	1 January 2009	DLUHC
E12000008	South East	Regions	Administrative	1 January 2009	DLUHC
E14001220	Eastleigh	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
E33042092		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
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
E58000567	Hedge End & West End South ED	County Electoral Divisions	Electoral	4 May 2017	DLUHC
E63013503	West End (Eastleigh)	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