← CM18 area guide Side by side

CM18 or CM20?

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.

The short version
CM18
Harlow
CM20
Harlow
Median home sale nearby £307,500
from 96 sales
£300,000
from 128 sales
Average sold price £459,237
Area price growth (YoY) +1.7% (Harlow) +1.7% (Harlow)
Dwelling type Mid-terrace house Semi-detached bungalow
Floor area 66 m² 42 m²
Built Before 1900 1983–1990
Energy rating C C
Heating cost (EPC est.) £652/yr £442/yr
Flood zone Zone 1 (low probability) Zone 1 (low probability)
Crime nearby 414 recorded 499 recorded
Deprivation decile 5 of 10 5 of 10

Common questions

Is CM18 or CM20 cheaper?

CM20 is the cheaper of the two. Homes around CM18 sell for about £307,500 and around CM20 for about £300,000, from HM Land Registry records of what actually changed hands.

Which has less crime, CM18 or CM20?

CM18 recorded fewer crimes in the same period (414 in CM18 against 499 in CM20, Police.uk). Busier places record more, so read this alongside how built-up each area is rather than on its own.

Is CM18 or CM20 the more affluent area?

On the Index of Multiple Deprivation, CM18 sits in decile 5 of 10 and CM20 in decile 5, where 10 is the least deprived.

Should I buy in CM18 or CM20?

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.