CM21 postcode area · East Hertfordshire
The CM21 postcode district spans 4 neighbourhoods (MSOAs) in East Hertfordshire, Epping Forest, Harlow. Area Scores range from 68 to 89 across them. Every full CM21 postcode falls within one of the neighbourhoods below.
In summary
Within the CM21 district, Sawbridgeworth is the strongest performer at 89 out of 100 (#725 of 6,856 nationally); Much Hadham & Hunsdon is the weakest at 69. All 4 rank in the least-deprived third of England. Median prices range from £410,000 in Old Harlow & Newhall to £490,000 in Much Hadham & Hunsdon. Note that the district straddles 3 local authorities — East Hertfordshire, Epping Forest and Harlow — so its neighbourhoods answer to different councils.
Living here
Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.
House prices in the CM21 district
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| SawbridgeworthEast Hertfordshire | 725 | 89 | £452,500 |
| Old Harlow & NewhallHarlow | 2,027 | 70 | £410,000 |
| North Weald, Matching & SheeringEpping Forest | 2,082 | 70 | £462,500 |
| Much Hadham & HunsdonEast Hertfordshire | 2,144 | 69 | £490,000 |
People living in CM21 Census 2021
Age
Tenure
Households
Work (top occupations)
Professional 20% · Managers & directors 18% · Associate professional 15%
All occupation groups
| Professional | 20% |
| Managers & directors | 18% |
| Associate professional | 15% |
| Administrative | 12% |
| Skilled trades | 10% |
| Caring & leisure | 8% |
| Elementary | 7% |
| Sales & customer service | 6% |
| Process & plant | 5% |
Ethnic group
Religion & identity
Christian 49% · No religion 41% · Muslim 2%
Born outside the UK: 9%
Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.
Nearby areas
Postcode districts around CM21.
A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.