CM1 3DU maps, stats, and open data
CM1 3DU lies on The Green in Writtle, Chelmsford. CM1 3DU is located in the Writtle electoral ward, within the local authority district of Chelmsford and the English Parliamentary constituency of Saffron Walden. 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.
CM1 3DU maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM1 3DU geodata
| Easting | 567734 |
| Northing | 206356 |
| Latitude | 51.730825 |
| Longitude | 0.427458 |
Where is CM1 3DU?
| Street | The Green |
| Locality | Writtle |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM1 |
CM1 3DU Elevation
Elevation or altitude of CM1 3DU as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 40m | 131ft |
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 | Writtle |
|---|---|
| Constituency | Saffron Walden |
House Prices
Sales of detached houses in CM1 3DU
2021 12 NOV £405,000 |
14, THE GREEN, WRITTLE, CHELMSFORD, CM1 3DU 2018 28 MAR £650,000 |
14, THE GREEN, WRITTLE, CHELMSFORD, CM1 3DU 2012 22 JUN £495,000 |
2009 17 NOV £1,200,000 |
2006 11 DEC £1,180,000 |
2002 18 JUL £752,500 |
2001 31 MAY £173,500 |
1996 29 MAR £63,000 |
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 CM1 3DU
| Writtle Green (The Green) | Writtle | 16m |
| Writtle Green (The Green) | Writtle | 82m |
| Prestons Garage (Ongar Road) | Writtle | 186m |
| Romans Place (Lodge Road) | Writtle | 212m |
| St John's Road (Bridge Street) | Writtle | 230m |
Nearest railway stations to CM1 3DU
| Chelmsford Station | 2.9km |
Broadband
Broadband access in CM1 3DU (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 | 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 CM1 3DU (2019 data)
Download
| Median download speed | 29.2Mbps |
| Average download speed | 42.5Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 8.3Mbps |
| Average upload speed | 9.6Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CM1 3DU (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% |
CM1 3DU gas and electricity consumption
Estimated total energy consumption in CM1 3DU by fuel type, 2015.
Gas
| Consumption (kWh) | 610,616 |
|---|---|
| Meter count | 27 |
| Mean (kWh/meter) | 22,615 |
| Median (kWh/meter) | 17,756 |
Electricity
| Consumption (kWh) | 132,638 |
|---|---|
| Meter count | 27 |
| Mean (kWh/meter) | 4,913 |
| Median (kWh/meter) | 3,832 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM1 3DU, for 2015.
- Meter count: The total number of meters in CM1 3DU.
- 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
4.7% of English postcodes are less deprived than CM1 3DU:Food Standards Agency
Three nearest food hygiene ratings to CM1 3DU (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM1 3DU
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Writtle P.o. | 17:30 | 12:00 | 124m |
| Lodge Road | 16:45 | 09:00 | 430m |
| Long Brandocks | 16:50 | 08:45 | 483m |
CM1 3DU ITL and CM1 3DU 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 CM1 3DU:
| 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 |
CM1 3DU 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 CM1 3DU:
| Code | Name | |
|---|---|---|
| OA | E00109901 | |
| LSOA | E01021633 | Chelmsford 011C |
| MSOA | E02004495 | Chelmsford 011 |
Nearest postcodes to CM1 3DU
| CM1 3DT | The Green | 117m |
| CM1 3EB | St Johns Road | 126m |
| CM1 3EG | Orchard Close | 139m |
| CM1 3DY | Chancery Place | 141m |
| CM1 3EF | Firs Drive | 149m |
| CM1 3DX | Green Close | 162m |
| CM1 3EE | Bruce Road | 173m |
| CM1 3DZ | St Johns Green | 177m |
| CM1 3ES | Comyns Place | 193m |
| CM1 3EH | Lordship Road | 195m |
- 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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