CO1 1ZS maps, stats, and open data
CO1 1ZS lies on Chiltern Close in Colchester. CO1 1ZS 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 July 1990.
CO1 1ZS maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CO1 1ZS geodata
| Easting | 599118 |
| Northing | 226210 |
| Latitude | 51.898847 |
| Longitude | 0.892740 |
Where is CO1 1ZS?
| Street | Chiltern Close |
| Town/City | Colchester |
| Country | England |
| Postcode District | CO1 |
CO1 1ZS Elevation
Elevation or altitude of CO1 1ZS 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 |
House Prices
Sales of detached houses in CO1 1ZS
2022 4 NOV £361,000 |
2022 11 JUL £298,000 |
2012 6 JUL £195,000 |
2006 13 JAN £165,000 |
2002 18 JUN £135,000 |
2001 27 APR £115,000 |
13, CHILTERN CLOSE, COLCHESTER, CO1 1ZS 1998 26 JUN £55,500 |
1998 20 FEB £68,500 |
1997 5 SEP £60,000 |
1996 28 NOV £53,950 |
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 CO1 1ZS
| Railway Station Layby (Stationway) | Colchester | 170m |
| Railway Station Layby (Stationway) | Colchester | 173m |
| Railway Station Layby (Stationway (A134)) | Colchester | 189m |
| Colchester Railway Station (Station Forecourt) | Colchester | 195m |
| Colchester Railway Station (Station Forecourt) | Colchester | 195m |
Nearest railway stations to CO1 1ZS
| Colchester Station | 0.2km |
| Colchester Town Station | 1.6km |
| Hythe (Essex) Station | 2.8km |
Broadband
Broadband access in CO1 1ZS (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 | 48.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CO1 1ZS (2019 data)
Download
| Median download speed | 40.0Mbps |
| Average download speed | 56.4Mbps |
| Maximum download speed | 100.00Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 12.9Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CO1 1ZS (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% |
CO1 1ZS gas and electricity consumption
Estimated total energy consumption in CO1 1ZS by fuel type, 2015.
Gas
| Consumption (kWh) | 290,778 |
|---|---|
| Meter count | 27 |
| Mean (kWh/meter) | 10,770 |
| Median (kWh/meter) | 11,334 |
Electricity
| Consumption (kWh) | 73,859 |
|---|---|
| Meter count | 27 |
| Mean (kWh/meter) | 2,736 |
| Median (kWh/meter) | 2,435 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CO1 1ZS, for 2015.
- Meter count: The total number of meters in CO1 1ZS.
- 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
30.5% of English postcodes are less deprived than CO1 1ZS:Food Standards Agency
Three nearest food hygiene ratings to CO1 1ZS (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CO1 1ZS
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| North Station Down | 18:30 | 12:00 | 199m |
| Sepentine Walk | 18:30 | 12:00 | 338m |
| Clarendon Way | 18:30 | 12:00 | 375m |
CO1 1ZS ITL and CO1 1ZS 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 1ZS:
| 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 1ZS 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 1ZS:
| Code | Name | |
|---|---|---|
| OA | E00176386 | |
| LSOA | E01021650 | Colchester 007E |
| MSOA | E02004512 | Colchester 007 |
Nearest postcodes to CO1 1ZS
| CO1 1ZP | Essex Hall Road | 47m |
| CO1 1ZR | Wycliffe Grove | 66m |
| CO1 1ZY | Claremont Heights | 83m |
| CO1 1ZX | Claremont Heights | 109m |
| CO1 1XA | Belle Vue Road | 128m |
| CO1 1ZU | Claremont Heights | 147m |
| CO1 1UZ | North Station Road | 161m |
| CO1 1BG | North Station Road | 173m |
| CO1 1UU | Colne Bank Avenue | 179m |
| CO1 1UX | North Station Road | 186m |
- 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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