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CO6 1

Postcode sector

289 live postcodes: 161 in Colchester, 128 in Braintree.

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 Colchester, which holds 56% of CO6 1’s postcodes. Open the map at CO6 1 for neighbourhoods and points. Open the map at CO6 1

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Deprivation by neighbourhood

English Indices of Deprivation 2025

Most deprived 10%Least

11 of Colchester’s 117 neighbourhoods are in England’s most deprived 20%.

Colchester, the council that holds 56% of CO6 1

Average house price
£297,824
Down 0.5% in a year
HM Land Registry · Jul 2026
Median full-time pay
£39,353
153rd highest of 348
ONS earnings survey · 2025
House price to pay
7.6×
155th least affordable of 348
Worked out by Open Index
Deprivation score
17.3
126th least deprived of 296
MHCLG · England only

Everything about Colchester

Councils in CO6 1

Postcodes in CO6 1