Schools
18 open schools are in scope, including 10 primary and 0 secondary schools. Twyford School is the nearest published school at 1.6 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SO21 1JA
Colden Common and Twyford · Winchester · England
Updated September 2026
Compare this postcodeLocation overview
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- Local authority
- Winchester
- Constituency
- Winchester
- Postcode district
- SO21
- Postcode sector
- SO21 1
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SO21 1JA
- Status
- Terminated
- Introduced
- 1 June 1998
- Terminated
- 1 December 1998
- Postcode area
- SO
- Postcode district
- SO21
- Postcode sector
- SO21 1
- Latitude
- 51.031138
- Longitude
- -1.279787
- British National Grid easting
- 450,600
- British National Grid northing
- 126,000
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- South East · E12000008
- Local authority district
- Winchester · E07000094
- Electoral ward
- Colden Common and Twyford · E05010999
- Parish or community
- E04004689
- Westminster constituency
- Winchester · E14001587
- Output area
- E00118023
- Lower layer super output area
- Winchester 010A · E01023226
- Middle layer super output area
- Winchester 010 · E02004838
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SO21
Schools
Within 3.1 miles of this postcode
- Open schools
- 18
- Primary
- 10
- Secondary
- 0
- 2.5 km
Twyford School
Other independent school
- 2.5 km
Owslebury Primary School
Community school
- 3.0 km
Twyford St Mary's Church of England Primary School
Voluntary controlled school
Recorded crime
Within 1 mile of this postcode
- Published events
- 2
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 2
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- SO21 1 residents
- 8,143
Age bands in SO21 1
Wider postcode sector- Age 0 to 14
- 19.2%
- Age 15 to 24
- 8.5%
- Age 25 to 44
- 20.7%
- Age 45 to 64
- 28.6%
- Age 65 and over
- 23%
1,521 residents
673 residents
1,644 residents
2,270 residents
1,820 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.
GP practices
3
within 5 km straight-line
TWYFORD SURGERY
HAZELEY ROAD, TWYFORD, WINCHESTER, SO21 1QY
ODS code J82116
2.7 km
ST CLEMENTS PARTNERSHIP
28 UPPER BROOK STREET, WINCHESTER, SO23 8DG
ODS code J82035
4.4 km
ST PAUL'S SURGERY
ALISON WAY, WINCHESTER, SO22 5DD
ODS code J82050
4.8 km
Nearby transport
- 0.3 miles
Hazeley Road
BCT · Morestead
- 0.3 miles
Hazeley Road
BCT · Morestead
- 0.7 miles
Hazeley Cottages
BCT · Morestead
- 0.7 miles
Hazeley Cottages
BCT · Morestead
- 1.1 miles
Old Pumping Station
BCT · Twyford
Relative deprivation
English Indices of Deprivation 2025 for Winchester 010A, 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
10 of 10
Overall England rank
31,190 of 33,755
- Income
- 9 of 10
- Employment
- 10 of 10
- Education and skills
- 10 of 10
- Health and disability
- 10 of 10
- Crime
- 10 of 10
- Housing and services
- 4 of 10
- Living environment
- 6 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.
Evidence in context
Recorded crime
2 published events cover 12 months, averaging 0.167 events per published month. The largest recorded category is Violence and sexual offences with 2 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.