CM20 or CM21?
Two neighbouring postcode districts compared on sold prices, energy, flood risk, crime and deprivation, all from the same official sources as every report on this site.
- Homes sell for about 29% less in CM20 than in CM21.
- CM21 recorded fewer crimes in the same period, though busier places always record more.
- CM21 is the less deprived of the two on the Index of Multiple Deprivation.
|
CM20
Harlow
|
CM21
East Hertfordshire
|
|
|---|---|---|
| Median home sale nearby | £298,000
from 122 sales |
£418,000
from 103 sales |
| Average sold price | — | £337,040 |
| Area price growth (YoY) | +1.7% (Harlow) | +4.0% (East Hertfordshire) |
| Dwelling type | Semi-detached bungalow | Detached house |
| Floor area | 42 m² | 174 m² |
| Built | 1983–1990 | 1967–1975 |
| Energy rating | C | C |
| Heating cost (EPC est.) | £442/yr | £1232/yr |
| Flood zone | Zone 1 (low probability) | Zone 1 (low probability) |
| Crime nearby | 499 recorded | 53 recorded |
| Deprivation decile | 5 of 10 | 9 of 10 |
Common questions
Is CM20 or CM21 cheaper?
CM20 is the cheaper of the two. Homes around CM20 sell for about £298,000 and around CM21 for about £418,000, from HM Land Registry records of what actually changed hands.
Which has less crime, CM20 or CM21?
CM21 recorded fewer crimes in the same period (499 in CM20 against 53 in CM21, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.
Is CM20 or CM21 the more affluent area?
On the Index of Multiple Deprivation, CM20 sits in decile 5 of 10 and CM21 in decile 9, where 10 is the least deprived.
Should I buy in CM20 or CM21?
That depends on what you need, and no dataset answers it. What this page gives you is the evidence side by side: what homes actually sell for, the energy ratings, the flood zone, recorded crime and deprivation, each traced to the body that published it.
A quick side-by-side snapshot only. Open each property's full report for the complete picture.