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CM11 1RS

Castledon & Crouch · Basildon · England

Updated September 2026

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Location overview

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Ward
Castledon & Crouch
Local authority
Basildon
Constituency
Basildon and Billericay
Postcode district
CM11
Postcode sector
CM11 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM11 1RR 80 m
CM11 1RT 188 m
CM11 1RN 297 m
CM11 1PH 317 m
CM11 1RP 340 m
Complete postcode fields and official codes
Postcode
CM11 1RS
Status
Terminated
Introduced
1 February 1990
Terminated
1 December 1994
Postcode area
CM
Postcode district
CM11
Postcode sector
CM11 1
Latitude
51.620343
Longitude
0.483216
British National Grid easting
572,000
British National Grid northing
194,200

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Basildon · E07000066
Electoral ward
Castledon & Crouch · E05015640
Parish or community
E04003873
Westminster constituency
Basildon and Billericay · E14001077
Output area
E00107995
Lower layer super output area
Basildon 006A · E01021264
Middle layer super output area
Basildon 006 · E02004429

Postcode source versions

Explore CM11

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
34
Primary
24
Secondary
5

  1. Downham Church of England Voluntary Controlled Primary School

    Academy converter

    1.5 km

  2. Crays Hill Primary School

    Academy converter

    1.5 km

  3. Grange Primary School

    Community school

    2.3 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
73
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 25
  • Anti social behaviour 12
  • Other theft 10
  • Drugs 5
  • Burglary 5

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM11 1 residents
7,416

Age bands in CM11 1

Wider postcode sector
Age 0 to 14
17.3%

1,337 residents

Age 15 to 24
10.7%

826 residents

Age 25 to 44
19.4%

1,499 residents

Age 45 to 64
30.5%

2,354 residents

Age 65 and over
21.9%

1,691 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

12

within 5 km straight-line

  • LONDON ROAD SURGERY

    MARKET HOUSE, MARKET ROAD, WICKFORD, SS12 0AA

    ODS code F81041

    2.6 km

  • SWANWOOD PARTNERSHIP

    2 MARKET AVENUE, WICKFORD, SS12 0AG

    ODS code F81732

    2.7 km

  • MATCHING GREEN SURGERY

    49 MATCHING GREEN, FRYERNS, BASILDON, SS14 2PB

    ODS code F81729

    4.2 km

  • ROBERT FREW MEDICAL CENTRE

    SILVA ISLAND WAY, WICKFORD, SS12 9NR

    ODS code F81036

    4.2 km

  • DR SHARMA & PARTNERS

    NOAK BRIDGE MEDICAL CTR, BRIDGE STREET, NOAK BRIDGE, BASILDON, SS15 4EZ

    ODS code F81666

    4.3 km

  • THE BILLERICAY MEDICAL PRACTICE

    THE HEALTH CENTRE, STOCK ROAD, BILLERICAY, CM12 0BJ

    ODS code F81080

    4.4 km

  • THE NEW SURGERY

    27 STOCK ROAD, BILLERICAY, CM12 0AH

    ODS code F81045

    4.4 km

  • CHAPEL STREET SURGERY

    93 CHAPEL STREET, BILLERICAY, CM12 9LR

    ODS code F81104

    4.5 km

  • WESTERN ROAD SURGERY

    41 WESTERN ROAD, BILLERICAY, CM12 9DX

    ODS code F81013

    4.7 km

  • FRYERNS MEDICAL CENTRE

    PETERBOROUGH WAY, BASILDON, SS14 3SS

    ODS code F81707

    4.7 km

  • ARYAN MEDICAL CENTRE

    FELMORES END, BASILDON, SS13 1PN

    ODS code F81640

    4.9 km

  • FELMORES MEDICAL CENTRE

    THE FELMORES SURGERY, FELMORES END, BASILDON, SS13 1PN

    ODS code F81186

    4.9 km

Nearby transport

  • St Mary's Church

    BCT · Ramsden Bellhouse

    0.1 miles

  • St Mary's Church

    BCT · Ramsden Bellhouse

    0.1 miles

  • Orchard Avenue

    BCT · Ramsden Bellhouse

    0.2 miles

  • Glebe Road

    BCT · Ramsden Bellhouse

    0.2 miles

  • Glebe Road

    BCT · Ramsden Bellhouse

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Basildon 006A, 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

23,081 of 33,755

Income
9 of 10
Employment
9 of 10
Education and skills
3 of 10
Health and disability
9 of 10
Crime
7 of 10
Housing and services
2 of 10
Living environment
9 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

34 open schools are in scope, including 24 primary and 5 secondary schools. Downham Church of England Voluntary Controlled Primary School is the nearest published school at 0.9 miles.

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

Recorded crime

73 published events cover 12 months, averaging 6.083 events per published month. The largest recorded category is Violence and sexual offences with 25 events.

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