CM1 3SB maps, stats, and open data
CM1 3SB lies on Cow Watering Lane in Writtle, Chelmsford. CM1 3SB 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 3SB maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM1 3SB geodata
| Easting | 566923 |
| Northing | 207291 |
| Latitude | 51.739466 |
| Longitude | 0.416174 |
Where is CM1 3SB?
| Street | Cow Watering Lane |
| Locality | Writtle |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM1 |
CM1 3SB Elevation
Elevation or altitude of CM1 3SB 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 | Writtle |
|---|---|
| Constituency | Saffron Walden |
Transport
Nearest bus stops to CM1 3SB
| The Hickerage (Roxwell Road) | Writtle | 524m |
| The Hickerage (Roxwell Road) | Writtle | 528m |
| Reeds Farm (Roxwell Road) | Roxwell | 586m |
| Reeds Farm (Roxwell Road) | Roxwell | 721m |
| Lordship Road (Roxwell Road) | Writtle | 910m |
Nearest railway stations to CM1 3SB
| Chelmsford Station | 3.6km |
Broadband
Broadband access in CM1 3SB (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 50.0% |
| Percentage of properties with Ultrafast Broadband | 50.0% |
| Percentage of properties with Full Fibre Broadband | 50.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM1 3SB (2019 data)
Download
| Median download speed | 11.6Mbps |
| Average download speed | 10.4Mbps |
| Maximum download speed | 15.84Mbps |
Upload
| Median upload speed | 1.1Mbps |
| Average upload speed | 1.0Mbps |
| Maximum upload speed | 1.20Mbps |
Broadband limitations in CM1 3SB (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 | 12.5% |
| Percentage of properties unable to receive 30Mbps | 50.0% |
CM1 3SB gas and electricity consumption
Estimated total energy consumption in CM1 3SB by fuel type, 2015.
Electricity
| Consumption (kWh) | 36,132 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 6,022 |
| Median (kWh/meter) | 7,216 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM1 3SB, for 2015.
- Meter count: The total number of meters in CM1 3SB.
- 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
17.1% of English postcodes are less deprived than CM1 3SB:Food Standards Agency
Three nearest food hygiene ratings to CM1 3SB (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM1 3SB
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Long Brandocks | 16:50 | 08:45 | 1,324m |
| Writtle P.o. | 17:30 | 12:00 | 1,362m |
| Lodge Road | 16:45 | 09:00 | 1,622m |
CM1 3SB ITL and CM1 3SB 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 3SB:
| 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 3SB 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 3SB:
| Code | Name | |
|---|---|---|
| OA | E00109898 | |
| LSOA | E01021634 | Chelmsford 011D |
| MSOA | E02004495 | Chelmsford 011 |
Nearest postcodes to CM1 3SB
| CM1 3RZ | Roxwell Road | 564m |
| CM1 3RY | Roxwell Road | 797m |
| CM1 3SA | Roxwell Road | 878m |
| CM1 3PF | Blackthorn Close | 899m |
| CM1 3PE | Daws Close | 902m |
| CM1 3EL | Mayfield Road | 906m |
| CM1 3EJ | Mayfield Road | 957m |
| CM1 3PD | Back Road | 971m |
| CM1 3PA | Victoria Road | 974m |
| CM1 3SD | Cow Watering Lane | 980m |
- 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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