CM3 4NU maps, stats, and open data
CM3 4NU lies on Hay Green in Danbury, Chelmsford. CM3 4NU is located in the Little Baddow, Danbury and Sandon electoral ward, within the local authority district of Chelmsford and the English Parliamentary constituency of Maldon. The Sub Integrated Care Board (ICB) Location is NHS Mid and South Essex ICB - 06Q and the police force is Essex. This postcode has been in use since January 1980.
CM3 4NU maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM3 4NU geodata
| Easting | 578569 |
| Northing | 205609 |
| Latitude | 51.720772 |
| Longitude | 0.583804 |
Where is CM3 4NU?
| Street | Hay Green |
| Locality | Danbury |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM3 |
CM3 4NU Elevation
Elevation or altitude of CM3 4NU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 100m | 328ft |
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 | Little Baddow, Danbury And Sandon |
|---|---|
| Constituency | Maldon |
House Prices
Sales of detached houses in CM3 4NU
2026 6 MAR £917,500 |
4, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2022 5 JUL £875,000 |
2022 12 MAY £915,000 |
2017 16 NOV £740,000 |
3, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2015 7 AUG £670,000 |
10, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2013 29 NOV £550,000 |
2011 20 OCT £610,000 |
15, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2010 17 DEC £347,500 |
1, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2010 8 NOV £445,000 |
11, HAY GREEN, DANBURY, CHELMSFORD, CM3 4NU 2010 5 JUL £460,000 |
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 CM3 4NU
| Hay Green (Little Baddow Road) | Danbury | 95m |
| Hay Green (Little Baddow Road) | Danbury | 134m |
| Wayside (The Ridge) | Danbury | 356m |
| Wayside (The Ridge) | Danbury | 368m |
| Eves Corner (Little Baddow Road) | Danbury | 430m |
Broadband
Broadband access in CM3 4NU (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 93.8% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM3 4NU (2019 data)
Download
| Median download speed | 32.2Mbps |
| Average download speed | 32.4Mbps |
| Maximum download speed | 50.66Mbps |
Upload
| Median upload speed | 6.0Mbps |
| Average upload speed | 4.6Mbps |
| Maximum upload speed | 7.24Mbps |
Broadband limitations in CM3 4NU (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 | 6.3% |
CM3 4NU gas and electricity consumption
Estimated total energy consumption in CM3 4NU by fuel type, 2015.
Gas
| Consumption (kWh) | 372,573 |
|---|---|
| Meter count | 15 |
| Mean (kWh/meter) | 24,838 |
| Median (kWh/meter) | 25,156 |
Electricity
| Consumption (kWh) | 92,499 |
|---|---|
| Meter count | 13 |
| Mean (kWh/meter) | 7,115 |
| Median (kWh/meter) | 6,581 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM3 4NU, for 2015.
- Meter count: The total number of meters in CM3 4NU.
- 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
6.2% of English postcodes are less deprived than CM3 4NU:Food Standards Agency
Three nearest food hygiene ratings to CM3 4NU (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM3 4NU
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Hopping Jacks Lane | 16:30 | 08:15 | 269m |
| Wayside | 16:30 | 10:00 | 319m |
| The Bell | 16:00 | 09:00 | 329m |
CM3 4NU ITL and CM3 4NU 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 CM3 4NU:
| ITL 1 Code | Name |
|---|---|
| TLH | East |
| ITL 2 Code | Name |
| TLH3 | Essex |
| ITL 3 Code | Name |
| TLH36 | Heart of Essex |
| LAU 1 Code | Name |
| E07000070 | Chelmsford |
CM3 4NU 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 CM3 4NU:
| Code | Name | |
|---|---|---|
| OA | E00109568 | |
| LSOA | E01021570 | Chelmsford 016D |
| MSOA | E02004500 | Chelmsford 016 |
Nearest postcodes to CM3 4NU
| CM3 4PP | Hopkirk Close | 102m |
| CM3 4PR | Fairleads | 113m |
| CM3 4NT | Little Baddow Road | 132m |
| CM3 4PS | The Leeway | 136m |
| CM3 4PW | Armstrong Close | 138m |
| CM3 4PT | Simmonds Way | 151m |
| CM3 4PJ | Hopping Jacks Lane | 202m |
| CM3 4NZ | Runsell Lane | 207m |
| CM3 4NY | Runsell Lane | 208m |
| CM3 4PB | Nursery Lane | 221m |
- 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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