Property market
The five-year median is £230,000 from 1 recorded sale in SO21 1SY. 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.
SO21 1SY
Colden Common and Twyford · Winchester · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Winchester
- Local authority
- Winchester
- Constituency
- Winchester
- Postcode district
- SO21
- Postcode sector
- SO21 1
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SO21 1SY
- Status
- Current
- Introduced
- 1 March 2007
- Terminated
- Not published
- Postcode area
- SO
- Postcode district
- SO21
- Postcode sector
- SO21 1
- Latitude
- 50.991630
- Longitude
- -1.311931
- British National Grid easting
- 448,387
- British National Grid northing
- 121,585
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
- E04004658
- Westminster constituency
- Winchester · E14001587
- Output area
- E00118017
- Lower layer super output area
- Winchester 010B · E01023227
- 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
Property
16 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Dimon Cottages, 7, Church Lane, Colden Common, Winchester, SO21 1SY | 29 September 2022 | £230,000 |
| Dimon Cottages, 3, Church Lane, Colden Common, Winchester, SO21 1SY | 31 January 2020 | £255,000 |
| Dimon Cottages, 2, Church Lane, Colden Common, Winchester, SO21 1SY | 30 August 2019 | £274,250 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 31
- Primary
- 20
- Secondary
- 4
- 780 m
Colden Common Primary School
Community school
- 2.8 km
Stoke Park Infant School
Community school
- 2.9 km
Stoke Park Junior School
Community school
Recorded crime
Within 1 mile of this postcode
- Published events
- 170
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 76
- Other theft 23
- Criminal damage and arson 23
- Anti social behaviour 16
- Public order 8
Census 2021
Population and age profile
- Postcode residents
- 16
- Postcode households
- 7
- Residents per household
- 2.3
- SO21 1 residents
- 8,143
6 female, 10 male
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
This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SO21 1 sector, not people in this individual postcode.
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+
- 100%
- Ultrafast, 100 Mbit/s+
- 100%
- Ultrafast, 300 Mbit/s+
- 100%
- Gigabit-capable
- 100%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- 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
6
within 5 km straight-line
STOKEWOOD SURGERY
FAIR OAK ROAD, FAIR OAK, EASTLEIGH, SO50 8AU
ODS code J82018
3.0 km
TWYFORD SURGERY
HAZELEY ROAD, TWYFORD, WINCHESTER, SO21 1QY
ODS code J82116
3.1 km
EASTLEIGH MEDICAL PRACTICE
NEWTOWN ROAD, EASTLEIGH, SO50 9AG
ODS code J82020
3.7 km
BOYATT WOOD SURGERY
BOYATT SHOPPING CENTRE, SHAKESPEARE ROAD, EASTLEIGH, SO50 4QP
ODS code J82169
3.7 km
ST. ANDREW'S SURGERY
166 MARKET STREET, EASTLEIGH, SO50 5PT
ODS code J82071
4.1 km
THE FRYERN SURGERY
OAKMOUNT ROAD, CHANDLER'S FORD, EASTLEIGH, SO53 2LH
ODS code J82019
4.3 km
Nearby transport
- 0.0 miles
St Vigor Way
BCT · Colden Common
- 0.0 miles
St Vigor Way
BCT · Colden Common
- 0.1 miles
Holy Trinity Church
BCT · Colden Common
- 0.1 miles
Holy Trinity Church
BCT · Colden Common
- 0.2 miles
Vears Lane
BCT · Colden Common
Relative deprivation
English Indices of Deprivation 2025 for Winchester 010B, 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
25,482 of 33,755
- Income
- 7 of 10
- Employment
- 7 of 10
- Education and skills
- 8 of 10
- Health and disability
- 8 of 10
- Crime
- 8 of 10
- Housing and services
- 3 of 10
- Living environment
- 8 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
Schools
31 open schools are in scope, including 20 primary and 4 secondary schools. Colden Common Primary School is the nearest published school at 780 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
170 published events cover 12 months, averaging 14.167 events per published month. The largest recorded category is Violence and sexual offences with 76 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.