Schools
5 open schools are in scope, including 5 primary and 0 secondary schools. Meadow Primary School is the nearest published school at 2.6 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
CB21 4XX
Balsham · South Cambridgeshire · England
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Balsham
- Local authority
- South Cambridgeshire
- Constituency
- South Cambridgeshire
- Postcode district
- CB21
- Postcode sector
- CB21 4
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- CB21 4XX
- Status
- Current
- Introduced
- 1 January 2015
- Terminated
- Not published
- Postcode area
- CB
- Postcode district
- CB21
- Postcode sector
- CB21 4
- Latitude
- 52.100058
- Longitude
- 0.352739
- British National Grid easting
- 561,245
- British National Grid northing
- 247,245
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- East of England · E12000006
- Local authority district
- South Cambridgeshire · E07000012
- Electoral ward
- Balsham · E05011282
- Parish or community
- E04001808
- Westminster constituency
- South Cambridgeshire · E14001481
- Output area
- E00091904
- Lower layer super output area
- South Cambridgeshire 016C · E01018220
- Middle layer super output area
- South Cambridgeshire 016 · E02003790
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 CB21
Schools
Within 3.1 miles of this postcode
- Open schools
- 5
- Primary
- 5
- Secondary
- 0
- 4.2 km
Meadow Primary School
Academy sponsor led
- 4.4 km
Linton Heights Junior School
Academy converter
- 4.5 km
Castle Camps Church of England (Controlled) Primary School
Voluntary controlled school
Recorded crime
Within 1 mile of this postcode
- Published events
- 19
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 9
- Anti social behaviour 5
- Burglary 2
- Public order 2
- Vehicle crime 1
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- CB21 4 residents
- 8,308
Age bands in CB21 4
Wider postcode sector- Age 0 to 14
- 15.5%
- Age 15 to 24
- 9.7%
- Age 25 to 44
- 19.2%
- Age 45 to 64
- 30.1%
- Age 65 and over
- 25.4%
1,291 residents
811 residents
1,600 residents
2,504 residents
2,116 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.
Nearby transport
- 2.3 miles
Research Park
BCT · Haverhill
- 2.4 miles
Research Park
BCT · Haverhill
- 2.5 miles
Notley Drive
BCT · Haverhill
- 2.8 miles
Whitensmere Farm
BCT · Ashdon
- 2.8 miles
Whitensmere Farm
BCT · Ashdon
Relative deprivation
English Indices of Deprivation 2025 for South Cambridgeshire 016C, 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
7 of 10
Overall England rank
22,217 of 33,755
- Income
- 8 of 10
- Employment
- 9 of 10
- Education and skills
- 9 of 10
- Health and disability
- 10 of 10
- Crime
- 7 of 10
- Housing and services
- 1 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
- 1
- 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
Recorded crime
19 published events cover 12 months, averaging 1.583 events per published month. The largest recorded category is Violence and sexual offences with 9 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.