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SO23 9DY

St Michael · Winchester · England

Updated September 2026

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Location overview

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Post town
Winchester
Ward
St Michael
Local authority
Winchester
Constituency
Winchester
Postcode district
SO23
Postcode sector
SO23 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SO23 9DT 24 m
SO23 9DR 32 m
SO23 9BX 34 m
SO23 9DZ 35 m
SO23 9BZ 40 m
Complete postcode fields and official codes
Postcode
SO23 9DY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SO
Postcode district
SO23
Postcode sector
SO23 9
Latitude
51.062745
Longitude
-1.317014
British National Grid easting
447,957
British National Grid northing
129,490

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Winchester · E07000094
Electoral ward
St Michael · E05011004
Parish or community
E43000074
Westminster constituency
Winchester · E14001587
Output area
E00118215
Lower layer super output area
Winchester 007D · E01023264
Middle layer super output area
Winchester 007 · E02004835

Postcode source versions

Explore SO23

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
3 recorded sales at this postcode
Address Date Price
3, Southgate Street, Winchester, SO23 9DY 23 September 2016 £720,000
1a, Southgate Street, Winchester, SO23 9DY 6 January 2016 £400,000
1a, Southgate Street, Winchester, SO23 9DY 25 May 2001 £240,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
28
Primary
14
Secondary
2

  1. Swanwick Lodge

    Secure units

    179 m

  2. The Pilgrims School

    Other independent school

    488 m

  3. St Bede Church of England Primary School

    Voluntary controlled school

    568 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3,187
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,306
  • Shoplifting 457
  • Public order 267
  • Drugs 249
  • Anti social behaviour 229

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SO23 9 residents
4,913

Age bands in SO23 9

Wider postcode sector
Age 0 to 14
16.5%

766 residents

Age 15 to 24
18.7%

871 residents

Age 25 to 44
20.3%

944 residents

Age 45 to 64
23.1%

1,075 residents

Age 65 and over
21.4%

997 residents

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

4

within 5 km

  • ST CLEMENTS PARTNERSHIP

    28 UPPER BROOK STREET, WINCHESTER, SO23 8DG

    ODS code J82035

    370 m

  • ST PAUL'S SURGERY

    ALISON WAY, WINCHESTER, SO22 5DD

    ODS code J82050

    471 m

  • FRIARSGATE PRACTICE

    STOCKBRIDGE ROAD, WEEKE, WINCHESTER, SO22 6EL

    ODS code J82130

    1.9 km

  • TWYFORD SURGERY

    HAZELEY ROAD, TWYFORD, WINCHESTER, SO21 1QY

    ODS code J82116

    4.8 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Jewry Street

    BCT · Winchester

    0.0 miles

  • St. Thomas Church

    BCT · Winchester

    0.1 miles

  • Jewry Street

    BCT · Winchester

    0.1 miles

  • St. Thomas Church

    BCT · Winchester

    0.1 miles

  • Westgate

    BCT · Winchester

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Winchester 007D, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

8 of 10

Overall England rank

24,676 of 33,755

Income
9 of 10
Employment
7 of 10
Education and skills
10 of 10
Health and disability
6 of 10
Crime
4 of 10
Housing and services
10 of 10
Living environment
3 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
0
Low risk addresses
0
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

28 open schools are in scope, including 14 primary and 2 secondary schools. Swanwick Lodge is the nearest published school at 179 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

3,187 published events cover 12 months, averaging 265.583 events per published month. The largest recorded category is Violence and sexual offences with 1,306 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.