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BN21 3SY

Devonshire · Eastbourne · England

Updated September 2026

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Location overview

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Ward
Devonshire
Local authority
Eastbourne
Constituency
Eastbourne
Postcode district
BN21
Postcode sector
BN21 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
BN21 3QJ 64 m
BN21 4RD 66 m
BN21 3LX 74 m
BN21 4QU 77 m
BN21 4RE 79 m
Complete postcode fields and official codes
Postcode
BN21 3SY
Status
Terminated
Introduced
1 January 1980
Terminated
1 December 1991
Postcode area
BN
Postcode district
BN21
Postcode sector
BN21 3
Latitude
50.769144
Longitude
0.281846
British National Grid easting
561,000
British National Grid northing
99,100

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Eastbourne · E07000061
Electoral ward
Devonshire · E05011574
Parish or community
E43000055
Westminster constituency
Eastbourne · E14001219
Output area
E00106151
Lower layer super output area
Eastbourne 010B · E01020911
Middle layer super output area
Eastbourne 010 · E02004365

Postcode source versions

Explore BN21

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
33
Primary
18
Secondary
4

  1. Eastbourne College

    Other independent school

    747 m

  2. Bourne Primary School

    Community school

    801 m

  3. Gildredge House

    Free schools

    905 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
6,110
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,204
  • Anti social behaviour 912
  • Shoplifting 641
  • Public order 539
  • Criminal damage and arson 462

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
BN21 3 residents
6,243

Age bands in BN21 3

Wider postcode sector
Age 0 to 14
14.7%

921 residents

Age 15 to 24
13.4%

844 residents

Age 25 to 44
34.1%

2,139 residents

Age 45 to 64
22.3%

1,400 residents

Age 65 and over
15.5%

975 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

8

within 5 km straight-line

  • GROVE ROAD SURGERY

    59-63 GROVE ROAD, EASTBOURNE, BN21 4TX

    ODS code G81002

    276 m

  • ARLINGTON ROAD SURGERY

    1 ARLINGTON ROAD, EASTBOURNE, BN21 1DH

    ODS code G81050

    319 m

  • THE LIGHTHOUSE MEDICAL PRACTICE

    6 COLLEGE ROAD, EASTBOURNE, BN21 4HY

    ODS code G81003

    393 m

  • SEASIDE MEDICAL CENTRE

    18 SHEEN ROAD, EASTBOURNE, BN22 8DR

    ODS code G81017

    1.0 km

  • SOVEREIGN PRACTICE

    PRINCES PARK HEALTH CTR, 7 WARTLING ROAD, EASTBOURNE, BN22 7PG

    ODS code G81022

    2.0 km

  • VICTORIA MEDICAL CENTRE

    153A VICTORIA DRIVE, EASTBOURNE, BN20 8NH

    ODS code G81032

    2.1 km

  • PARK PRACTICE

    BROADWATER WAY, EASTBOURNE, BN22 9PQ

    ODS code G81104

    2.9 km

  • HARBOUR MEDICAL PRACTICE

    1 PACIFIC DRIVE, EASTBOURNE, BN23 6DW

    ODS code Y00080

    4.8 km

Nearby transport

  • Railway Station

    BCT · Eastbourne Town Centre

    0.0 miles

  • Eastbourne Rail Station

    RLY · Eastbourne

    0.0 miles

  • Gildredge Road

    BCT · Eastbourne Town Centre

    0.0 miles

  • Railway Station

    BCT · Eastbourne Town Centre

    0.1 miles

  • Railway Station

    BCT · Eastbourne Town Centre

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Eastbourne 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

1 of 10

Overall England rank

2,749 of 33,755

Income
1 of 10
Employment
2 of 10
Education and skills
2 of 10
Health and disability
2 of 10
Crime
1 of 10
Housing and services
7 of 10
Living environment
1 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

Schools

33 open schools are in scope, including 18 primary and 4 secondary schools. Eastbourne College is the nearest published school at 747 m.

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

Recorded crime

6,110 published events cover 12 months, averaging 509.167 events per published month. The largest recorded category is Violence and sexual offences with 2,204 events.

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