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SO23 3SX

POSTCODE

SO23 3SX is a postcode in St Michael.

Small user postcodeQuality indicator 1 (highest positional precision)Updated 2026-08-01
Coordinates
51.0611, -1.3113
OS grid SU483293 (448,358, 129,307)
IMD England
8/10
#24676
Crime · Aug '26
High · 14.7 per 1k
MoM -5% vs Jul '26
Plus Code
9C3W3M6Q+CF
Least deprived 20⁠–⁠30%
IMD England
High · 14.7 per 1k
Crime · Aug '26
South East
Region

Deprivation Index (IMD)

IMD England — Index of Multiple Deprivation
Measures deprivation across income, employment, health, education, crime, housing, barriers to housing and services, and living environment.
24676
Rank out of 33,755 LSOAs in England
1 - Most deprived10 - Least deprived
Rank 24676 out of 33,755 lower layer super output areas in England. N/A for Wales, Scotland and Northern Ireland as this postcode is in England.

Property sales (Land Registry)

England & Wales
See sold prices in SO23

Police Recorded Crime near SO23 3SX

England & Wales
Crime trends · near SO23 3SX

Counts are for St Michael electoral ward, not a 1-mile police.uk street search around this postcode.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26
Key categories · YoY
Violent Crime
32
YoY -81%
1729824
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
13
YoY —
22110
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
0
YoY —
740
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
1
YoY —
740
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
5
YoY —
1370
Sep '24Mar '25Sep '25Mar '26Aug '26
Other recorded crime
58
YoY +314%
844914
Sep '24Mar '25Sep '25Mar '26Aug '26
Notable spike detected in secondary categories
Drugs
23
YoY —
25130
Sep '24Mar '25Sep '25Mar '26Aug '26

1 of 6 key categories improving · other recorded crime rising

132
incidents · Aug '26

Demographics (LSOA 2021 context)

Ethnicity

Total residents: 1,773
White Brit.75.1%
Other White9.1%
Chinese3.9%
White & Asian3.3%
Other Asian2.6%
+ 2 other groups · 6.1%

Religion

Total residents: 1,773
Christian45.7%
No religion37.5%
Not answered11.7%
Buddhist1.8%
Hindu1.4%
+ 1 other religions · 1.9%

Age groups

Total residents: 1,772
10–1518.9%
50–6416.0%
16–1913.5%
35–4913.4%
25–3411.5%
+ 6 other age groups · 26.7%

Households

Total households: 698
One person: other28.9%
One person: aged 66+21.2%
Married or civil partnership couple: No children11.9%
Cohabiting couple family: No children9.5%
Married or civil partnership couple: Dependent children9.3%
+ 9 other households · 19.2%

Getting around

Straight-line distance from this postcode. Walking time is approximate.

Stations

  • Winchester Rail Station

    Rail · Entrance

    897 m straight lineabout 11 min

  • Shawford Rail Station

    Rail

    4.5 km straight lineabout 56 min

  • Chandlers Ford Rail Station

    Rail

    10.0 km straight lineabout 125 min

Bus stops

  • Broadway Guildhall

    Bus · o/s · north-west

    85 m straight lineabout 1 min

  • Bus Station

    Bus · Drop Off

    101 m straight lineabout 1 min

  • Broadway Guildhall

    Bus · Stand 4 · north-west

    108 m straight lineabout 1 min

  • Bus Station

    Bus · Stand A

    122 m straight lineabout 2 min

  • Bus Station

    Bus · Stand B

    128 m straight lineabout 2 min

Coordinates & Location for SO23 3SX

England
Country
Winchester
Local Authority
Hampshire
St Michael
Ward
Southampton
Travel to Work
TTWA
Postcode
SO23 3SX
Coordinates
51.0611, -1.3113
Grid reference
SU483293
Easting
448,358
Northing
129,307
Region
South East
Plus Code
9C3W3M6Q+CF
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Winchester
Travel to Work
Southampton
ITL Region
Winchester
National Park
Non-National Park

Flood zone

Flood Zone 1 at the postcode centre (EA Flood Map for Planning)

Flood Zone 1 at the postcode centre (EA Flood Map for Planning). This is the Environment Agency Flood Map for Planning zone at the ONS postcode centroid, not a property-level assessment. Source: Environment Agency flood map for planning, © Environment Agency copyright and/or database right, Open Government Licence v3.0.

Environment Agency flood map for planning · Open Government Licence v3.0

GOV.UK long-term flood risk checkerFlood map for planning

Administrative Information

Winchester
Local Authority
Council Area
Winchester E14001587
Constituency
E14001587
Hampshire
Police Force
England
Ward
St Michael
Constituency code
E14001587
EU Electoral Region
South East
Parish
Winchester, unparished area
International Territorial Level
Winchester

Health & NHS

South Central
Health Authority
Serving Hampshire
NHS England
Wessex
Cancer Alliance
National
Health Authority
South Central
NHS Region
South East
Integrated Care Board
NHS Hampshire and Isle of Wight Integrated Care Board
Primary Care Org
Hampshire
Sub ICB Location
NHS Hampshire and Isle of Wight ICB - D9Y0V
Cancer Alliance
Wessex

Statistical Areas

LSOA 2021
Super Output Area
Winchester 007D E01023264
E01023264
MSOA 2021
Mid Super Output
Winchester 007 E02004835
E02004835
LSOA 2011
Super Output Area
Winchester 007D E01023264
E01023264
MSOA 2011
Mid Super Output
Winchester 007 E02004835
E02004835
Urban: Nearer to a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Urban ≥ 10k – less sparse: OA falls within urban settlements with a population of 10,000 or more and the wider surrounding area is less sparsely populated 5
2011 Classification
(England/Wales) Urban city and town C1
2021 Classification
Urban: Nearer to a major town or city UN1

Sun & Time Information

7:38 AM6:01 PM
7:38 AM
Sunrise
6:01 PM
Sunset
10 hours 23 minutes of daylight today
Sunrise (today)
7:38 AM
Sunset (today)
6:01 PM
Daylight duration
10 hours 23 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

February 2005
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~21 years
Active Duration
2005 -> Present
February 2005 — Introduced
Postcode SO23 3SX introduced by Royal Mail.
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Urban city and town C1.
2021 — Census Update
2021 Census classification: Urban: Nearer to a major town or city UN1. LSOA E01023264 and MSOA E02004835 assigned.
2025 — Indices of Deprivation
IMD England rank: 24676
Present — Active
Postcode SO23 3SX is currently active and in use.
First introduced
February 2005
Usage ended
Not terminated
Active duration
~21 years
Last updated
2026-08-01
Current status
Live

School applications

We've matched the postcode to Hampshire.

You apply through this education local authority even if the school is in another council area.

Winchester is the district council. School applications go through Hampshire.

Last published allocation

None of the schools listed here has a published last-distance figure, so we cannot compare a postcode with last year's allocation. We do not draw catchment maps in this list; where we hold a council's map, it is on the school's page.

Apply for a primary place via Hampshire
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