SO23 9BL

St Michael · Winchester · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Winchester
Local authority
Winchester
Constituency
Winchester
Postcode district
SO23
Postcode sector
SO23 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
SO23 9AS 22 m
SO23 9LD 35 m
SO23 9EX 47 m
SO23 9EP 59 m
SO23 8AR 63 m
Complete postcode fields and official codes
Postcode
SO23 9BL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SO
Postcode district
SO23
Postcode sector
SO23 9
Latitude
51.062414
Longitude
-1.314250
British National Grid easting
448,151
British National Grid northing
129,455

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Winchester · E07000094
Parish or community
E43000074
Westminster constituency
Winchester · E14001587
Output area
E00118197
Lower layer super output area
Winchester 007D · E01023264
Middle layer super output area
Winchester 007 · E02004835

Postcode source versions

Explore SO23

10 recorded sales at this postcode
Address Date Price
30, High Street, Winchester, SO23 9BL 27 April 2023 £5,400,000
Fat Face, 28, High Street, Winchester, SO23 9BL 19 November 2021 £1,800,000
32, High Street, Winchester, SO23 9BL 6 April 2021 £1,462,794

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
29
Primary
15
Secondary
2
  1. Swanwick Lodge

    Secure units

    375 m
  2. The Pilgrims School

    Other independent school

    375 m
  3. Winchester College

    Other independent school

    464 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3,208
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,309
  • Shoplifting 478
  • Public order 260
  • Drugs 255
  • 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

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

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+
68.4%
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
68.4%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

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

GP practices

4

within 5 km

  • ST CLEMENTS PARTNERSHIP

    28 UPPER BROOK STREET, WINCHESTER, SO23 8DG

    ODS code J82035

    259 m

  • ST PAUL'S SURGERY

    ALISON WAY, WINCHESTER, SO22 5DD

    ODS code J82050

    637 m

  • FRIARSGATE PRACTICE

    STOCKBRIDGE ROAD, WEEKE, WINCHESTER, SO22 6EL

    ODS code J82130

    2.1 km

  • TWYFORD SURGERY

    HAZELEY ROAD, TWYFORD, WINCHESTER, SO21 1QY

    ODS code J82116

    4.8 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

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

Nearby transport

  • Upper Brook Street

    BCT · Winchester

    0.1 miles
  • Marks & Spencer

    BCT · Winchester

    0.1 miles
  • Jewry Street

    BCT · Winchester

    0.1 miles
  • Jewry Street

    BCT · Winchester

    0.1 miles
  • St. Thomas Church

    BCT · Winchester

    0.2 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
4
Medium risk addresses
3
Low risk addresses
2
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

Property market

The five-year median is £3,600,000 from 2 recorded sales in SO23 9BL. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Winchester is £471,136 in June 2026, up 4.6% year on year.

Schools

29 open schools are in scope, including 15 primary and 2 secondary schools. Swanwick Lodge is the nearest published school at 375 m.

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

Recorded crime

3,208 published events cover 12 months, averaging 267.333 events per published month. The largest recorded category is Violence and sexual offences with 1,309 events.

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