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CM17 9BL

Church Langley South & Potter Street · Harlow · England

Updated September 2026

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Location overview

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Post town
Harlow
Ward
Church Langley South & Potter Street
Local authority
Harlow
Constituency
Harlow
Postcode district
CM17
Postcode sector
CM17 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
CM17 9BN 107 m
CM17 9BJ 128 m
CM17 9AN 141 m
CM17 9BD 159 m
CM17 9DB 159 m
Complete postcode fields and official codes
Postcode
CM17 9BL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CM
Postcode district
CM17
Postcode sector
CM17 9
Latitude
51.755833
Longitude
0.135619
British National Grid easting
547,499
British National Grid northing
208,506

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Harlow · E07000073
Electoral ward
Church Langley South & Potter Street · E05015682
Parish or community
E43000064
Westminster constituency
Harlow · E14001267
Output area
E00110933
Lower layer super output area
Harlow 008C · E01021835
Middle layer super output area
Harlow 008 · E02004551

Postcode source versions

Explore CM17

Property

View all property records
16 recorded sales at this postcode
Address Date Price
11, Sweyns, Harlow, CM17 9BL 21 January 2025 £311,000
12, The Sweyns, Harlow, CM17 9BL 11 September 2023 £381,000
10, The Sweyns, Harlow, CM17 9BL 27 January 2023 £360,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
43
Primary
31
Secondary
7

  1. Potter Street Academy

    Academy sponsor led

    467 m

  2. Passmores Academy

    Academy converter

    826 m

  3. Henry Moore Primary School

    Academy converter

    893 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,484
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 578
  • Shoplifting 139
  • Other theft 138
  • Drugs 108
  • Public order 108

Census 2021

Population and age profile

Postcode residents
26

14 female, 12 male

Postcode households
14
Residents per household
1.9
CM17 9 residents
16,991

Age bands in CM17 9

Wider postcode sector
Age 0 to 14
21.2%

3,609 residents

Age 15 to 24
10.6%

1,806 residents

Age 25 to 44
30.8%

5,261 residents

Age 45 to 64
25.4%

4,331 residents

Age 65 and over
12%

2,053 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider CM17 9 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

8

within 5 km

  • CHURCH LANGLEY MEDICAL PRACTICE

    CHURCH LANGLEY WAY, HARLOW, CM17 9TG

    ODS code F81078

    1.3 km

  • THE HAMILTON PRACTICE

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

    ODS code F81047

    1.5 km

  • THE ROSS PRACTICE

    KEATS HOUSE, BUSH FAIR, HARLOW, CM18 6LY

    ODS code F81106

    1.5 km

  • SYDENHAM HOUSE SURGERY

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

    ODS code F81619

    2.2 km

  • NUFFIELD HOUSE HEALTH CENTRE

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

    ODS code F81120

    2.6 km

  • LISTER MEDICAL CENTRE

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

    ODS code F81027

    3.1 km

  • OLD HARLOW HEALTH CENTRE

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

    ODS code F81056

    3.1 km

  • ADDISON HOUSE - HAQUE PRACTICE

    ADDISON HOUSE, HARLOW, CM20 1DS

    ODS code F81181

    3.6 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • The Red Lion

    BCT · Potter Street

    0.2 miles

  • The Red Lion

    BCT · Potter Street

    0.2 miles

  • The Red Lion

    BCT · Potter Street

    0.2 miles

  • Larkswood

    BCT · Potter Street

    0.3 miles

  • Park Avenue

    BCT · Potter Street

    0.3 miles

Relative deprivation

English Indices of Deprivation 2025 for Harlow 008C, 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

14,153 of 33,755

Income
4 of 10
Employment
4 of 10
Education and skills
4 of 10
Health and disability
4 of 10
Crime
4 of 10
Housing and services
7 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
9
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

Property market

The five-year median is £360,000 from 3 recorded sales in CM17 9BL. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Harlow is £313,338 in June 2026, up 1.7% year on year.

Schools

43 open schools are in scope, including 31 primary and 7 secondary schools. Potter Street Academy is the nearest published school at 467 m.

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

Recorded crime

1,484 published events cover 12 months, averaging 123.667 events per published month. The largest recorded category is Violence and sexual offences with 578 events.

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