CM20 3LH maps, stats, and open data
CM20 3LH is located in the Netteswell electoral ward, within the local authority district of Harlow and the English Parliamentary constituency of Harlow. The Sub Integrated Care Board (ICB) Location is NHS Hertfordshire and West Essex ICB - 07H and the police force is Essex. This postcode has been in use since December 2001.
CM20 3LH maps


Source: OS Open Zoomstack (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026
Source: Open Postcode GeoLicence: Open Government Licence (requires attribution)
Attribution: Contains OS data © Crown copyright and database right 2026; Contains Royal Mail data © Royal Mail copyright and database right 2026; Source: Office for National Statistics licensed under the Open Government Licence v.3.0
CM20 3LH geodata
| Easting | 544937 |
| Northing | 210061 |
| Latitude | 51.770467 |
| Longitude | 0.099149 |
Where is CM20 3LH?
| Country | England |
| Postcode District | CM20 |
CM20 3LH Elevation
Elevation or altitude of CM20 3LH 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 | Netteswell |
|---|
| Constituency | Harlow |
|---|
Transport
Nearest bus stops to CM20 3LH
| College Grounds (Velizy Avenue) | Harlow Town Centre | 129m |
| Bus Station (Terminus Street) | Harlow Town Centre | 261m |
| Bus Station (Terminus Street) | Harlow Town Centre | 266m |
| Park Lane (First Avenue) | Harlow | 311m |
| The Dashes (Maddox Road) | Harlow | 357m |
Nearest railway stations to CM20 3LH
| Harlow Town Station | 1.2km |
| Harlow Mill Station | 3.2km |
| Roydon Station | 4.4km |
Deprivation
66.7% of English postcodes are less deprived than
CM20 3LH:
Food Standards Agency
Three nearest food hygiene ratings to CM20 3LH (metres)
Harlow College
BMAT STEM Academy Catering
Passmores Academy At The Downs Primary School & Nursery
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM20 3LH
| | Last Collection | |
|---|
| Location | Mon-Fri | Sat | Distance |
|---|
| Tanys Dell | 17:15 | 12:00 | 874m |
| River Mill | 17:15 | 12:00 | 949m |
| Rectory Wood | 17:15 | 12:00 | 1,102m |
CM20 3LH ITL and CM20 3LH 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 CM20 3LH:
| ITL 1 Code | Name |
|---|
| TLH | East |
| ITL 2 Code | Name |
|---|
| TLH3 | Essex |
| ITL 3 Code | Name |
|---|
| TLH35 | West Essex |
| LAU 1 Code | Name |
|---|
| E07000073 | Harlow |
CM20 3LH 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 CM20 3LH:
| Code | Name |
|---|
| OA | E00110997 | |
|---|
| LSOA | E01021849 | Harlow 003A |
|---|
| MSOA | E02004546 | Harlow 003 |
|---|
Nearest postcodes to CM20 3LH