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CM19

Postcode district

Postcode district covering Harlow, Great Parndon and Katherines, in Harlow and Epping Forest.

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an CM19 postcode. How census figures are added up

Open in map

Radon Affected Area by postcode district

Worked out by Open Index · 2022

Under 1%90% or more

About 1% of people in CM19 live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£350,000
Joint 789th most expensive of 2,235
Worked out by Open Index
Population
20,801
1,348th least populated of 2,756
ONS Census 2021 · 2021
People in radon Affected Area squares
1%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
90.0%
UK 87.8%
Ofcom · Jan 2026

How CM19 compares

Each dot is a postcode district. The black line marks the middle one.

CM19Middle
Median sale price25 postcode districts, CM · 2025
Median sale price: every postcode district in CM25 areas from £315,000 to £690,000. The middle area is £437,500. CM19 is £350,000.
£350,0005th cheapest
Population27 postcode districts, CM · 2021
Population: every postcode district in CM27 areas from 318 to 69,073. The middle area is 23,555. CM19 is 20,801.
20,80112th least populated
People in radon Affected Area squares27 postcode districts, CM · 2022
People in radon Affected Area squares: every postcode district in CM27 areas from 0.0% to 75.0%. The middle area is 0.0%. CM19 is 1.0%.
1%6th most people in radon Affected Areas
Gigabit broadband coverage27 postcode districts, CM · Jan 2026
Gigabit broadband coverage: every postcode district in CM27 areas from 54.1% to 95.6%. The middle area is 88.2%. CM19 is 90.0%.
90.0%11th highest

Is CM19 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CM19 at a rate of 84.2 per 1,000 people.

That compares with 77.3 per 1,000 people across the CM postcode area.

In August 2026 alone, 210 cases of crime and anti-social behaviour were recorded in CM19.

In the 12 months to August 2026, the most common types were violence and sexual offences (731), other crime (308) and anti-social behaviour (259).

A year earlier, the recorded crime rate in CM19 was 72.0 per 1,000 people.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Deprivation in CM19, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so CM19 has no single figure. Of its 14 neighbourhoods with a rank:
  • Decile 3: 2 neighbourhoods
  • Decile 4: 6 neighbourhoods
  • Decile 5: 2 neighbourhoods
  • Decile 6: 2 neighbourhoods
  • Decile 8: 2 neighbourhoods

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in CM19

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Epping Forest 002E2,25067.9 per 1,000675.9%
Harlow 004C1,55557.3 per 1,000599.1%
Harlow 004D1,70979.0 per 1,000497.3%
Harlow 007A1,40184.1 per 1,000498.7%
Harlow 007G1,708140.7 per 1,000398.5%
Harlow 009A1,49362.1 per 1,000499.2%
Harlow 009B1,25947.7 per 1,000899.2%
Harlow 009C1,23662.6 per 1,000697.3%
Harlow 009D1,21091.4 per 1,000596.6%
Harlow 009E1,39698.7 per 1,000499.3%
Harlow 011B1,76675.1 per 1,000497.1%
Harlow 011C1,540156.2 per 1,000397.4%
Harlow 011D1,35130.2 per 1,000499.5%
Harlow 011E1,49492.2 per 1,000896.9%

MPs for CM19

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Middle areas in CM192

Postcode sectors in CM192

Councils CM19 covers2

Towns in CM191

Postcode districts next to CM197

Nearest rail stations4

More in the CM postcode area2

CM19 in brief

CM19 is a postcode district covering Harlow, Great Parndon and Katherines, in Harlow and Epping Forest.

About 21,225 people lived in CM19 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £350,000 in 2025 across 204 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 84.2 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in CM19 was £350,000 in 2025.

CM19 had 20,801 usual residents at the census.

About 1% of people in CM19 live in a 1 km square that the radon atlas marks as a radon Affected Area.

In CM19, 90.0% of homes and businesses could get gigabit-capable broadband in January 2026.