CM21 0BX maps, stats, and open data
CM21 0BX lies on Chalks Avenue in Sawbridgeworth. CM21 0BX is located in the Sawbridgeworth electoral ward, within the local authority district of East Hertfordshire and the English Parliamentary constituency of Hertford and Stortford. The Sub Integrated Care Board (ICB) Location is NHS Hertfordshire and West Essex ICB - 06K and the police force is Hertfordshire. This postcode has been in use since January 1980.
CM21 0BX geodata
| Easting | 547853 |
| Northing | 215126 |
| Latitude | 51.815213 |
| Longitude | 0.143535 |
Where is CM21 0BX?
| Street | Chalks Avenue |
| Town/City | Sawbridgeworth |
| Country | England |
| Postcode District | CM21 |
CM21 0BX Elevation
Elevation or altitude of CM21 0BX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 60m | 197ft |
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 | Sawbridgeworth |
|---|---|
| Constituency | Hertford And Stortford |
House Prices
Sales of detached houses in CM21 0BX
5, CHALKS AVENUE, SAWBRIDGEWORTH, CM21 0BX 2024 3 MAY £550,000 |
2021 29 JAN £575,000 |
6, CHALKS AVENUE, SAWBRIDGEWORTH, CM21 0BX 2013 18 JUL £380,000 |
2005 21 OCT £299,950 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to CM21 0BX
| White Lion Ph (London Road) | Sawbridgeworth | 355m |
| Station Road (Cambridge Road) | Sawbridgeworth | 373m |
| Station Road (Cambridge Road) | Sawbridgeworth | 373m |
| White Lion Ph (London Road) | Sawbridgeworth | 387m |
| Springhall Road (London Road) | Sawbridgeworth | 547m |
Nearest railway stations to CM21 0BX
| Sawbridgeworth Station | 1.2km |
| Harlow Mill Station | 2.9km |
| Harlow Town Station | 5.1km |
Broadband
Broadband access in CM21 0BX (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 | 100.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM21 0BX (2019 data)
Download
| Median download speed | 100.0Mbps |
| Average download speed | 125.0Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 15.4Mbps |
| Average upload speed | 12.0Mbps |
| Maximum upload speed | 19.56Mbps |
Broadband limitations in CM21 0BX (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% |
CM21 0BX gas and electricity consumption
Estimated total energy consumption in CM21 0BX by fuel type, 2015.
Gas
| Consumption (kWh) | 146,565 |
|---|---|
| Meter count | 9 |
| Mean (kWh/meter) | 16,285 |
| Median (kWh/meter) | 15,317 |
Electricity
| Consumption (kWh) | 44,054 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 5,507 |
| Median (kWh/meter) | 5,762 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM21 0BX, for 2015.
- Meter count: The total number of meters in CM21 0BX.
- 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
1.6% of English postcodes are less deprived than CM21 0BX:Food Standards Agency
Three nearest food hygiene ratings to CM21 0BX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM21 0BX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| West Road | 17:15 | 12:00 | 324m |
| Gilders | 17:30 | 11:45 | 335m |
| Cambridge Road | 17:30 | 11:45 | 346m |
CM21 0BX ITL and CM21 0BX 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 CM21 0BX:
| ITL 1 Code | Name |
|---|---|
| TLH | East |
| ITL 2 Code | Name |
| TLH2 | Bedfordshire and Hertfordshire |
| ITL 3 Code | Name |
| TLH23 | Hertfordshire CC |
| LAU 1 Code | Name |
| E07000242 | East Hertfordshire |
CM21 0BX 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 CM21 0BX:
| Code | Name | |
|---|---|---|
| OA | E00119380 | |
| LSOA | E01023501 | East Hertfordshire 011C |
| MSOA | E02004888 | East Hertfordshire 011 |
Nearest postcodes to CM21 0BX
| CM21 0DA | Coney Gree | 39m |
| CM21 0BU | Roseacres | 72m |
| CM21 0BT | Stoneleigh | 145m |
| CM21 0BN | West Road | 163m |
| CM21 0BY | White Post Field | 167m |
| CM21 0BL | West Road | 180m |
| CM21 0BZ | White Post Field | 201m |
| CM21 0ED | Sayesbury Avenue | 203m |
| CM21 0DH | Nursery Fields | 215m |
| CM21 0BS | Atherton End | 218m |
- Contains OS data © Crown copyright and database right (2025)
- Contains Royal Mail data © Royal Mail copyright and Database right (2025)
- Contains National Statistics data © Crown copyright and database right (2025)
- Data produced by Land Registry © Crown copyright (2025)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2025)
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