CM1 3NB maps, stats, and open data
CM1 3NB lies on Purcell Cole in Writtle, Chelmsford. CM1 3NB 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 3NB maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM1 3NB geodata
| Easting | 567261 |
| Northing | 206229 |
| Latitude | 51.729825 |
| Longitude | 0.420555 |
Where is CM1 3NB?
| Street | Purcell Cole |
| Locality | Writtle |
| Town/City | Chelmsford |
| Country | England |
| Postcode District | CM1 |
CM1 3NB Elevation
Elevation or altitude of CM1 3NB as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 50m | 164ft |
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 3NB
2025 31 JUL £1,075,000 |
2025 10 JAN £700,000 |
19, PURCELL COLE, WRITTLE, CHELMSFORD, CM1 3NB 2024 15 NOV £600,000 |
2021 9 DEC £680,100 |
12, PURCELL COLE, WRITTLE, CHELMSFORD, CM1 3NB 2021 8 DEC £755,000 |
2021 27 APR £620,000 |
14, PURCELL COLE, WRITTLE, CHELMSFORD, CM1 3NB 2021 22 JAN £640,000 |
29, PURCELL COLE, WRITTLE, CHELMSFORD, CM1 3NB 2020 22 DEC £435,000 |
2018 1 FEB £630,000 |
22, PURCELL COLE, WRITTLE, CHELMSFORD, CM1 3NB 2017 1 MAR £470,000 |
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 3NB
| Purcell Cole (Ongar Road) | Writtle | 116m |
| Purcell Cole (Ongar Road) | Writtle | 172m |
| Prestons Garage (Ongar Road) | Writtle | 257m |
| The Ryle (Lodge Road) | Writtle | 312m |
| Prestons Garage (Ongar Road) | Writtle | 371m |
Nearest railway stations to CM1 3NB
| Chelmsford Station | 3.4km |
Broadband
Broadband access in CM1 3NB (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 3NB (2019 data)
Download
| Median download speed | 39.1Mbps |
| Average download speed | 39.0Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 9.8Mbps |
| Average upload speed | 7.6Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in CM1 3NB (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 3NB gas and electricity consumption
Estimated total energy consumption in CM1 3NB by fuel type, 2015.
Gas
| Consumption (kWh) | 632,724 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 19,173 |
| Median (kWh/meter) | 19,490 |
Electricity
| Consumption (kWh) | 178,595 |
|---|---|
| Meter count | 35 |
| Mean (kWh/meter) | 5,103 |
| Median (kWh/meter) | 3,181 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM1 3NB, for 2015.
- Meter count: The total number of meters in CM1 3NB.
- 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 3NB:Food Standards Agency
Three nearest food hygiene ratings to CM1 3NB (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM1 3NB
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Long Brandocks | 16:50 | 08:45 | 214m |
| Writtle P.o. | 17:30 | 12:00 | 557m |
| Lodge Road | 16:45 | 09:00 | 624m |
CM1 3NB ITL and CM1 3NB 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 3NB:
| 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 3NB 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 3NB:
| Code | Name | |
|---|---|---|
| OA | E00109902 | |
| LSOA | E01021633 | Chelmsford 011C |
| MSOA | E02004495 | Chelmsford 011 |
Nearest postcodes to CM1 3NB
| CM1 3LP | Millfields | 90m |
| CM1 3LR | Millfields | 138m |
| CM1 3ND | Ongar Road | 149m |
| CM1 3JH | Sawney Brook | 157m |
| CM1 3LF | Wellfield | 165m |
| CM1 3PD | Back Road | 192m |
| CM1 3JP | Long Brandocks | 196m |
| CM1 3NE | Longmeads Close | 200m |
| CM1 3LW | Millfields | 202m |
| CM1 3LH | Home Mead | 205m |
- 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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