CO1 1DH maps, stats, and open data
CO1 1DH lies on High Street in Colchester. CO1 1DH 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 January 1980.
CO1 1DH 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 1DH geodata
| Easting | 599703 |
| Northing | 225202 |
| Latitude | 51.889587 |
| Longitude | 0.900648 |
Where is CO1 1DH?
| Street | High Street |
| Town/City | Colchester |
| Country | England |
| Postcode District | CO1 |
CO1 1DH Elevation
Elevation or altitude of CO1 1DH as distance above sea level:
| Metres | Feet |
|---|
| Elevation | 20m | 66ft |
|---|
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 1DH
| The George (High Street) | Colchester Town Centre | 25m |
| The George (High Street) | Colchester Town Centre | 27m |
| Angel Court (High Street) | Colchester Town Centre | 58m |
| Angel Court (High Street) | Colchester Town Centre | 65m |
| High Street | Colchester Town Centre | 232m |
Nearest railway stations to CO1 1DH
| Colchester Town Station | 0.4km |
| Colchester Station | 1.4km |
| Hythe (Essex) Station | 1.9km |
Deprivation
77.6% of English postcodes are less deprived than
CO1 1DH:
Food Standards Agency
Three nearest food hygiene ratings to CO1 1DH (metres)
German Doner Kebab
Red Lion Hotel
Roxi
➜ Get more ratings from the Food Standards Agency
Nearest post box to CO1 1DH
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Hippodrome High Street | 18:30 | 12:30 | 45m |
| Culver Street East | 18:30 | 12:30 | 102m |
| Culver Street East | 18:30 | 12:30 | 104m |
CO1 1DH ITL and CO1 1DH 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 1DH:
| 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 1DH 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 1DH:
| Code | Name |
|---|
| OA | E00109958 | |
|---|
| LSOA | E01021649 | Colchester 007D |
|---|
| MSOA | E02004512 | Colchester 007 |
|---|
Nearest postcodes to CO1 1DH