CO1
Postcode districtPostcode district covering Colchester and The Hythe, in Colchester.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an CO1 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In CO1, 78.5% of homes and businesses could get gigabit-capable broadband in January 2026.
How CO1 compares
Each dot is a postcode district. The black line marks the middle one.
Is CO1 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CO1 at a rate of 203.1 per 1,000 people.
That compares with 83.5 per 1,000 people across CO.
In August 2026 alone, 376 cases of crime and anti-social behaviour were recorded in CO1.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,679), other crime (657) and shoplifting (550).
A year earlier, the recorded crime rate in CO1 was 209.1 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in CO1, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so CO1 has no single figure. Of its 10 neighbourhoods with a rank:
- Decile 2: 2 neighbourhoods
- Decile 3: 3 neighbourhoods
- Decile 4: 3 neighbourhoods
- Decile 5: 1 neighbourhood
- Decile 6: 1 neighbourhood
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in CO1
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Colchester 007B | 2,318 | 96.3 per 1,000 | 6 | 87.1% |
| Colchester 007C | 2,371 | 207.6 per 1,000 | 4 | 76.0% |
| Colchester 007E | 2,188 | 163.5 per 1,000 | 5 | 80.5% |
| Colchester 007F | 1,194 | 420.0 per 1,000 | 2 | 60.1% |
| Colchester 007G | 1,117 | 1,202.5 per 1,000 | 3 | 47.0% |
| Colchester 011E | 1,841 | 136.4 per 1,000 | 4 | 97.5% |
| Colchester 011G | 1,576 | 188.5 per 1,000 | 2 | 78.5% |
| Colchester 011H | 1,309 | 85.2 per 1,000 | 3 | 96.9% |
| Colchester 011I | 1,486 | 80.2 per 1,000 | 3 | 96.3% |
| Colchester 022H | 1,364 | 91.9 per 1,000 | 4 | 97.7% |
MPs for CO1
- Pam CoxLabourMP for Colchester84% of CO1’s postcodes
- Sir Bernard JenkinConservativeMP for Harwich and North Essex9.4% of CO1’s postcodes
- Priti PatelConservativeMP for Witham6.4% of CO1’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in CO12
Postcode sectors in CO13
Council1
Towns in CO11
Postcode districts next to CO14
Nearest rail stations4
More in the CO postcode area2
CO1 in brief
CO1 is a postcode district covering Colchester and The Hythe, in Colchester.
About 19,701 people lived in CO1 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £245,000 in 2025 across 271 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 203.1 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CO1 was £245,000 in 2025.
CO1 had 18,519 usual residents at the census.
In CO1, 78.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In CO1, 4.8% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.