CM21 0LB maps, stats, and open data
CM21 0LB lies on High Wych in Sawbridgeworth. CM21 0LB is located in the Much Hadham 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 0LB maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM21 0LB geodata
| Easting | 544897 |
| Northing | 215322 |
| Latitude | 51.817747 |
| Longitude | 0.100765 |
Where is CM21 0LB?
| Street | High Wych |
| Town/City | Sawbridgeworth |
| Country | England |
| Postcode District | CM21 |
CM21 0LB Elevation
Elevation or altitude of CM21 0LB as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 70m | 230ft |
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 | Much Hadham |
|---|---|
| Constituency | Hertford And Stortford |
Transport
Nearest bus stops to CM21 0LB
| St Elizabeth's School & Home (Nether Street) | South End | 1,778m |
| The Rising Sun Ph (High Wych Road) | High Wych | 1,918m |
Nearest railway stations to CM21 0LB
| Harlow Mill Station | 3.7km |
| Harlow Town Station | 4.1km |
| Sawbridgeworth Station | 4.1km |
Broadband
Broadband access in CM21 0LB (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 28.6% |
| Percentage of properties with Ultrafast Broadband | 28.6% |
| Percentage of properties with Full Fibre Broadband | 28.6% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in CM21 0LB (2019 data)
Download
| Median download speed | 3.0Mbps |
| Average download speed | 3.6Mbps |
| Maximum download speed | 6.45Mbps |
Upload
| Median upload speed | 0.8Mbps |
| Average upload speed | 0.7Mbps |
| Maximum upload speed | 1.10Mbps |
Broadband limitations in CM21 0LB (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 | 71.4% |
| Percentage of properties unable to receive 30Mbps | 71.4% |
CM21 0LB gas and electricity consumption
Estimated total energy consumption in CM21 0LB by fuel type, 2015.
Electricity
| Consumption (kWh) | 75,312 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 9,414 |
| Median (kWh/meter) | 8,420 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM21 0LB, for 2015.
- Meter count: The total number of meters in CM21 0LB.
- 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
71.9% of English postcodes are less deprived than CM21 0LB:Food Standards Agency
Three nearest food hygiene ratings to CM21 0LB (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM21 0LB
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Hoskins Farm | 16:20 | 07:45 | 661m |
| High Wych P.o. | 17:00 | 12:00 | 1,831m |
| The Convent | 17:15 | 10:00 | 1,903m |
CM21 0LB ITL and CM21 0LB 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 0LB:
| 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 0LB 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 0LB:
| Code | Name | |
|---|---|---|
| OA | E00119343 | |
| LSOA | E01023496 | East Hertfordshire 009C |
| MSOA | E02004886 | East Hertfordshire 009 |
Nearest postcodes to CM21 0LB
| CM21 0LA | 761m | |
| CM21 0LE | 806m | |
| CM21 0JZ | 936m | |
| CM21 0LP | Chandlers Lane | 1101m |
| CM21 0JY | Peace Cottages | 1142m |
| CM21 0LH | Noons Cottages | 1407m |
| CM21 0LF | Beanfield Cottages | 1454m |
| CM21 0LR | Slough Road | 1575m |
| CM21 0JR | High Wych Lane | 1578m |
| SG10 6EP | South End | 1580m |
- 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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