CO4 3UY maps, stats, and open data
CO4 3UY lies on Blackwater Avenue in Colchester. CO4 3UY is located in the St Anne's and St John's 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.
CO4 3UY maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CO4 3UY geodata
| Easting | 602375 |
| Northing | 226507 |
| Latitude | 51.900341 |
| Longitude | 0.940187 |
Where is CO4 3UY?
| Street | Blackwater Avenue |
| Town/City | Colchester |
| Country | England |
| Postcode District | CO4 |
CO4 3UY Elevation
Elevation or altitude of CO4 3UY as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 30m | 98ft |
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 | St Anne's And St John's |
|---|---|
| Constituency | Colchester |
House Prices
Sales of detached houses in CO4 3UY
2025 30 JAN £375,000 |
18, BLACKWATER AVENUE, COLCHESTER, CO4 3UY 2024 30 JUL £388,000 |
29, BLACKWATER AVENUE, COLCHESTER, CO4 3UY 2021 5 MAR £295,000 |
2018 5 APR £312,000 |
2, BLACKWATER AVENUE, COLCHESTER, CO4 3UY 2017 8 DEC £325,000 |
2016 26 SEP £295,000 |
2008 14 JAN £222,000 |
2006 31 AUG £250,000 |
14, BLACKWATER AVENUE, COLCHESTER, CO4 3UY 2006 28 JUN £235,000 |
2004 19 NOV £175,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to CO4 3UY
| St. John's Road (Parson's Heath) | Colchester | 168m |
| Welshwood Park (Parson's Heath) | Colchester | 181m |
| Parson's Heath (St. John's Road) | Colchester | 195m |
| St. John's Road (Parson's Heath) | Colchester | 198m |
| Parson's Heath (St. John's Road) | Colchester | 204m |
Nearest railway stations to CO4 3UY
| Hythe (Essex) Station | 1.9km |
| Colchester Town Station | 2.9km |
| Colchester Station | 3.3km |
Broadband
Broadband access in CO4 3UY (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CO4 3UY (2019 data)
Download
| Median download speed | 100.0Mbps |
| Average download speed | 111.4Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 6.4Mbps |
| Average upload speed | 4.7Mbps |
| Maximum upload speed | 6.86Mbps |
Broadband limitations in CO4 3UY (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |
CO4 3UY gas and electricity consumption
Estimated total energy consumption in CO4 3UY by fuel type, 2015.
Gas
| Consumption (kWh) | 467,569 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 14,169 |
| Median (kWh/meter) | 13,710 |
Electricity
| Consumption (kWh) | 146,491 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 4,439 |
| Median (kWh/meter) | 3,836 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CO4 3UY, for 2015.
- Meter count: The total number of meters in CO4 3UY.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
23.2% of English postcodes are less deprived than CO4 3UY:Food Standards Agency
Three nearest food hygiene ratings to CO4 3UY (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CO4 3UY
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Welshwood Park Road | 17:30 | 11:40 | 194m |
| St Johns Road | 17:30 | 11:30 | 416m |
| St Christopher Road | 17:30 | 11:30 | 733m |
CO4 3UY ITL and CO4 3UY 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 CO4 3UY:
| 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 |
CO4 3UY 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 CO4 3UY:
| Code | Name | |
|---|---|---|
| OA | E00110266 | |
| LSOA | E01021708 | Colchester 022A |
| MSOA | E02006922 | Colchester 022 |
Nearest postcodes to CO4 3UY
| CO4 3UX | Stour Walk | 66m |
| CO4 3HX | Parsons Heath | 107m |
| CO4 3UZ | Deben Road | 148m |
| CO4 3JD | The Glade | 152m |
| CO4 3YW | Orwell Close | 162m |
| CO4 3YN | Roach Vale | 169m |
| CO4 3HT | Parsons Heath | 207m |
| CO4 3JB | Welshwood Park Road | 219m |
| CO4 3HH | Roach Vale | 222m |
| CO4 0JW | St Johns Road | 233m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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