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CM20 3AU

Mark Hall · Harlow · England

Updated September 2026

Compare this postcode

Location overview

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Ward
Mark Hall
Local authority
Harlow
Constituency
Harlow
Postcode district
CM20
Postcode sector
CM20 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM20 3AX 43 m
CM20 3BS 43 m
CM20 3AF 55 m
CM20 3FF 75 m
CM20 3FG 75 m
Complete postcode fields and official codes
Postcode
CM20 3AU
Status
Terminated
Introduced
1 January 1980
Terminated
1 February 2023
Postcode area
CM
Postcode district
CM20
Postcode sector
CM20 3
Latitude
51.774744
Longitude
0.113246
British National Grid easting
545,894
British National Grid northing
210,564

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Harlow · E07000073
Electoral ward
Mark Hall · E05015686
Parish or community
E43000064
Westminster constituency
Harlow · E14001267
Output area
E00110969
Lower layer super output area
Harlow 002D · E01021847
Middle layer super output area
Harlow 002 · E02004545

Postcode source versions

Explore CM20

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
43
Primary
31
Secondary
7

  1. St Alban's Catholic Academy

    Academy converter

    358 m

  2. Burnt Mill Academy

    Academy converter

    430 m

  3. Cooks Spinney Primary Academy and Nursery

    Academy sponsor led

    434 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
4,411
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,642
  • Shoplifting 564
  • Public order 382
  • Criminal damage and arson 332
  • Anti social behaviour 299

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CM20 3 residents
11,736

Age bands in CM20 3

Wider postcode sector
Age 0 to 14
20.5%

2,426 residents

Age 15 to 24
11.5%

1,355 residents

Age 25 to 44
28.8%

3,401 residents

Age 45 to 64
24.3%

2,872 residents

Age 65 and over
15%

1,772 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

10

within 5 km straight-line

  • NUFFIELD HOUSE HEALTH CENTRE

    NUFFIELD HOUSE SURGERY, THE STOW, HARLOW, CM20 3AX

    ODS code F81120

    43 m

  • SYDENHAM HOUSE SURGERY

    SYDENHAM HOUSE, MONSWICK ROAD, LONG LEY, HARLOW, CM20 3NT

    ODS code F81619

    617 m

  • CHURCH LANGLEY MEDICAL PRACTICE

    CHURCH LANGLEY WAY, HARLOW, CM17 9TG

    ODS code F81078

    1.6 km

  • ADDISON HOUSE - HAQUE PRACTICE

    ADDISON HOUSE, HARLOW, CM20 1DS

    ODS code F81181

    1.7 km

  • OLD HARLOW HEALTH CENTRE

    JENNER HSE, GARDEN TCE RD, HARLOW, CM17 0AX

    ODS code F81056

    1.8 km

  • THE HAMILTON PRACTICE

    KEATS HOUSE, THE FAIRWAY, BUSHFAIR, HARLOW, CM18 6LY

    ODS code F81047

    2.0 km

  • THE ROSS PRACTICE

    KEATS HOUSE, BUSH FAIR, HARLOW, CM18 6LY

    ODS code F81106

    2.0 km

  • LISTER MEDICAL CENTRE

    LISTER HOUSE HEALTH CENTRE, ABERCROMBIE WAY, HARLOW, CM18 6YJ

    ODS code F81027

    2.8 km

  • GARDENS AND JACOBS MEDICAL PARTNERSHIP

    JACOBS & GARDENS NEUROLOGICAL CTRS, HIGH WYCH ROAD, SAWBRIDGEWORTH, CM21 0HH

    ODS code Y01924

    3.8 km

  • CENTRAL SURGERY

    BELL STREET, SAWBRIDGEWORTH, CM21 9AQ

    ODS code E82100

    4.8 km

Nearby transport

  • Minchen Road

    BCT · Mark Hall

    0.0 miles

  • The Stow Lower

    BCT · Harlow

    0.0 miles

  • Moot House

    BCT · Mark Hall

    0.1 miles

  • The Stow Lower

    BCT · Harlow

    0.1 miles

  • Moot House

    BCT · Mark Hall

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for Harlow 002D, 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

5 of 10

Overall England rank

13,538 of 33,755

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

43 open schools are in scope, including 31 primary and 7 secondary schools. St Alban's Catholic Academy is the nearest published school at 358 m.

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

Recorded crime

4,411 published events cover 12 months, averaging 367.583 events per published month. The largest recorded category is Violence and sexual offences with 1,642 events.

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