CM20 3NL maps, stats, and open data
CM20 3NL lies on Long Ley in Harlow. CM20 3NL 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 January 1980.
CM20 3NL maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
CM20 3NL geodata
| Easting | 545977 |
| Northing | 209789 |
| Latitude | 51.767753 |
| Longitude | 0.114096 |
Where is CM20 3NL?
| Street | Long Ley |
| Town/City | Harlow |
| Country | England |
| Postcode District | CM20 |
CM20 3NL Elevation
Elevation or altitude of CM20 3NL 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 |
House Prices
Sales of detached houses in CM20 3NL
143, LONG LEY, HARLOW, CM20 3NL 2021 18 NOV £278,000 |
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 CM20 3NL
| Maddox Road (Howard Way) | Harlow | 134m |
| Long Ley (Maddox Road) | Harlow | 168m |
| Long Ley (Maddox Road) | Harlow | 170m |
| Heart And Club (Maddox Road) | Harlow | 197m |
| Quarry Spring (Momples Road) | Harlow | 206m |
Nearest railway stations to CM20 3NL
| Harlow Town Station | 2km |
| Harlow Mill Station | 2.8km |
Broadband
Broadband access in CM20 3NL (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 CM20 3NL (2019 data)
Download
| Median download speed | 29.4Mbps |
| Average download speed | 53.6Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 4.3Mbps |
| Average upload speed | 3.6Mbps |
| Maximum upload speed | 9.22Mbps |
Broadband limitations in CM20 3NL (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% |
CM20 3NL gas and electricity consumption
Estimated total energy consumption in CM20 3NL by fuel type, 2015.
Gas
| Consumption (kWh) | 598,436 |
|---|---|
| Meter count | 52 |
| Mean (kWh/meter) | 11,508 |
| Median (kWh/meter) | 11,648 |
Electricity
| Consumption (kWh) | 159,369 |
|---|---|
| Meter count | 52 |
| Mean (kWh/meter) | 3,065 |
| Median (kWh/meter) | 2,901 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in CM20 3NL, for 2015.
- Meter count: The total number of meters in CM20 3NL.
- 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
71.3% of English postcodes are less deprived than CM20 3NL:Food Standards Agency
Three nearest food hygiene ratings to CM20 3NL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to CM20 3NL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Pittmans Field | 17:45 | 12:00 | 1,092m |
| Five Acres | 17:30 | 12:15 | 1,724m |
| Tanys Dell | 17:15 | 12:00 | 1,948m |
CM20 3NL ITL and CM20 3NL 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 3NL:
| 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 3NL 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 3NL:
| Code | Name | |
|---|---|---|
| OA | E00111003 | |
| LSOA | E01021852 | Harlow 003D |
| MSOA | E02004546 | Harlow 003 |
Nearest postcodes to CM20 3NL
| CM20 3NN | Long Ley | 97m |
| CM20 3NJ | Long Ley | 102m |
| CM20 3NW | Long Ley | 130m |
| CM20 3HP | Quarry Spring | 170m |
| CM20 3NP | Long Ley | 193m |
| CM20 3HJ | Tunnmeade | 224m |
| CM20 3NH | Long Ley | 239m |
| CM20 3HR | Quarry Spring | 255m |
| CM20 3HT | Quarry Spring | 258m |
| CM20 3HL | Tunnmeade | 298m |
- 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)
GetTheData.com is owned and operated by GetTheData Publishing Limited.
Company Number: 11075184 · Registered in England and Wales.
Registered Office: 3rd Floor, 86-90 Paul Street, London, England, EC2A 4NE
By accessing our site you agree to us using cookies, and sharing information about your use of our site, in accordance with our privacy policy.