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CM20 1

Postcode sector

161 live postcodes, all in Harlow.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Harlow. Open the map at CM20 1 for neighbourhoods and points. Open the map at CM20 1

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

3 of Harlow’s 58 neighbourhoods are in England’s most deprived 20%.

Harlow, the council that holds 100% of CM20 1

Average house price
£319,860
Up 4.4% in a year
HM Land Registry · Jul 2026
Median full-time pay
£38,380
170th lowest of 348
ONS earnings survey · 2025
House price to pay
8.3×
115th least affordable of 348
Worked out by Open Index
Deprivation score
21.7
116th most deprived of 296
MHCLG · England only

Everything about Harlow

Postcodes in CM20 1