CO1 1BU maps, stats, and open data
CO1 1BU is located in the Castle electoral ward, within the local authority district of Colchester and the English Parliamentary constituency of Colchester. The Sub Integrated Care Board (ICB) Location is NHS Suffolk and North East Essex ICB - 06T and the police force is Essex. This postcode has been in use since February 1984.
CO1 1BU maps


Source: OS Open Zoomstack (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026
Source: Open Postcode GeoLicence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026; Contains Royal Mail data © Royal Mail copyright and database right 2026; Source: Office for National Statistics licensed under the Open Government Licence v.3.0
CO1 1BU geodata
| Easting | 600142 |
| Northing | 226258 |
| Latitude | 51.898911 |
| Longitude | 0.907631 |
Where is CO1 1BU?
| Country | England |
| Postcode District | CO1 |
CO1 1BU Elevation
Elevation or altitude of CO1 1BU as distance above sea level:
| Metres | Feet |
|---|
| Elevation | 10m | 33ft |
|---|
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Castle |
|---|
| Constituency | Colchester |
|---|
Transport
Nearest bus stops to CO1 1BU
| Leisureworld (Cowdray Avenue) | Colchester | 187m |
| Leisure Centre (Leisure Centre Access Road) | Colchester | 221m |
| Leisure Centre (Leisure Centre Access Road) | Colchester | 229m |
| Dart Cowdray Avenue North (Mason Road) | Colchester | 277m |
| Colneview Retail Park (Cowdray Avenue) | Colchester | 282m |
Nearest railway stations to CO1 1BU
| Colchester Station | 1.1km |
| Colchester Town Station | 1.4km |
| Hythe (Essex) Station | 2km |
Deprivation
46.3% of English postcodes are less deprived than
CO1 1BU:
Food Standards Agency
Three nearest food hygiene ratings to CO1 1BU (metres)
Aldi
Colchester Leisure World
Tenpin
➜ Get more ratings from the Food Standards Agency
Nearest post box to CO1 1BU
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Cowdray Avenue | 18:30 | 12:00 | 116m |
| Cowdray Centre | 18:30 | 12:00 | 192m |
| Peto Avenue | 17:30 | 12:00 | 611m |
CO1 1BU ITL and CO1 1BU LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for CO1 1BU:
| ITL 1 Code | Name |
|---|
| TLH | East |
| ITL 2 Code | Name |
|---|
| TLH3 | Essex |
| ITL 3 Code | Name |
|---|
| TLH34 | Essex Haven Gateway |
| LAU 1 Code | Name |
|---|
| E07000071 | Colchester |
CO1 1BU census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for CO1 1BU:
| Code | Name |
|---|
| OA | E00176431 | |
|---|
| LSOA | E01021647 | Colchester 007B |
|---|
| MSOA | E02004512 | Colchester 007 |
|---|
Nearest postcodes to CO1 1BU