CO3
Postcode districtPostcode district covering Colchester, Lexden and Stanway, 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 CO3 postcode. How census figures are added up
Gigabit coverage by postcode district
Connected Nations (Ofcom) · January 2026
In CO3, 93.1% of homes and businesses could get gigabit-capable broadband in January 2026.
How CO3 compares
Each dot is a postcode district. The black line marks the middle one.
Is CO3 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in CO3 at a rate of 81.2 per 1,000 people.
That compares with 83.5 per 1,000 people across CO.
In August 2026 alone, 265 cases of crime and anti-social behaviour were recorded in CO3.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,109), other crime (508) and anti-social behaviour (327).
A year earlier, the recorded crime rate in CO3 was 66.3 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 CO3, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so CO3 has no single figure. Of its 20 neighbourhoods with a rank:
- Decile 4: 1 neighbourhood
- Decile 5: 2 neighbourhoods
- Decile 6: 2 neighbourhoods
- Decile 7: 3 neighbourhoods
- Decile 8: 3 neighbourhoods
- Decile 9: 5 neighbourhoods
- Decile 10 (England’s least deprived 10%): 4 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in CO3
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Colchester 003D | 1,769 | 54.9 per 1,000 | 7 | 97.4% |
| Colchester 007A | 2,122 | 136.6 per 1,000 | 8 | 73.5% |
| Colchester 009A | 1,442 | 32.6 per 1,000 | 10 | 94.7% |
| Colchester 009B | 1,408 | 103.5 per 1,000 | 4 | 92.5% |
| Colchester 009C | 1,345 | 41.6 per 1,000 | 9 | 96.6% |
| Colchester 009D | 1,629 | 49.5 per 1,000 | 9 | 92.2% |
| Colchester 010F | 2,686 | 118.1 per 1,000 | 7 | 84.3% |
| Colchester 012A | 1,868 | 162.5 per 1,000 | 6 | 96.3% |
| Colchester 012B | 1,597 | 61.6 per 1,000 | 8 | 97.0% |
| Colchester 012C | 1,612 | 79.9 per 1,000 | 5 | 100.0% |
| Colchester 012D | 1,978 | 67.7 per 1,000 | 8 | 82.7% |
| Colchester 012E | 2,557 | 59.1 per 1,000 | 7 | 93.2% |
| Colchester 013A | 2,443 | 224.2 per 1,000 | 6 | 85.7% |
| Colchester 013B | 1,570 | 28.8 per 1,000 | 9 | 98.8% |
| Colchester 013C | 1,330 | 63.1 per 1,000 | 10 | 98.0% |
| Colchester 014A | 1,505 | 74.2 per 1,000 | 5 | 98.4% |
| Colchester 014B | 1,304 | 18.0 per 1,000 | 9 | 97.7% |
| Colchester 014C | 1,559 | 38.9 per 1,000 | 9 | 93.7% |
| Colchester 014D | 1,424 | 59.2 per 1,000 | 10 | 99.2% |
| Colchester 014E | 1,706 | 72.9 per 1,000 | 10 | 96.4% |
MPs for CO3
- Pam CoxLabourMP for Colchester61% of CO3’s postcodes
- Priti PatelConservativeMP for Witham35% of CO3’s postcodes
- Sir Bernard JenkinConservativeMP for Harwich and North Essex4.5% of CO3’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 CO34
Postcode sectors in CO35
Council1
Towns in CO31
Postcode districts next to CO34
Nearest rail stations3
More in the CO postcode area2
CO3 in brief
CO3 is a postcode district covering Colchester, Lexden and Stanway, in Colchester.
About 33,671 people lived in CO3 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £360,000 in 2025 across 551 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 81.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in CO3 was £360,000 in 2025.
CO3 had 32,493 usual residents at the census.
In CO3, 93.1% of homes and businesses could get gigabit-capable broadband in January 2026.
In CO3, 2.5% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.