N20 9LJ maps, stats, and open data
N20 9LJ lies on St Margarets Avenue in London. N20 9LJ is located in the Whetstone electoral ward, within the London borough of Barnet and the English Parliamentary constituency of Chipping Barnet. The Sub Integrated Care Board (ICB) Location is NHS North Central London ICB - 93C and the police force is Metropolitan Police. This postcode has been in use since January 1980.
N20 9LJ maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
N20 9LJ geodata
| Easting | 526287 |
| Northing | 194108 |
| Latitude | 51.631618 |
| Longitude | -0.176756 |
Where is N20 9LJ?
| Street | St Margarets Avenue |
| Town/City | London |
| Country | England |
| Postcode District | N20 |
N20 9LJ Elevation
Elevation or altitude of N20 9LJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 90m | 295ft |
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 | Whetstone |
|---|---|
| Constituency | Chipping Barnet |
House Prices
Sales of detached houses in N20 9LJ
36, ST MARGARETS AVENUE, LONDON, N20 9LJ 2001 11 JAN £187,000 |
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 N20 9LJ
| Athenaeum Road (Whetstone High Road) | Oakleigh Park | 111m |
| Athenaeum Road (Whetstone High Road) | Oakleigh Park | 131m |
| Totteridge & Whetstone | Whetstone | 134m |
| Totteridge & Whetstone (Totteridge Lane) | Whetstone | 171m |
| Oakleigh Gardens (Athenaeum Road) | Oakleigh Park | 172m |
Nearest underground/metro/tram to N20 9LJ
| Totteridge & Whetstone Underground Station | Whetstone | 204m |
Nearest railway stations to N20 9LJ
| Oakleigh Park Station | 1km |
| New Barnet Station | 1.9km |
| New Southgate Station | 3km |
Broadband
Broadband access in N20 9LJ (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 | 100.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in N20 9LJ (2019 data)
Download
| Median download speed | 59.7Mbps |
| Average download speed | 62.6Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 14.1Mbps |
| Average upload speed | 13.1Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in N20 9LJ (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% |
N20 9LJ gas and electricity consumption
Estimated total energy consumption in N20 9LJ by fuel type, 2015.
Gas
| Consumption (kWh) | 677,778 |
|---|---|
| Meter count | 36 |
| Mean (kWh/meter) | 18,827 |
| Median (kWh/meter) | 19,901 |
Electricity
| Consumption (kWh) | 146,734 |
|---|---|
| Meter count | 36 |
| Mean (kWh/meter) | 4,076 |
| Median (kWh/meter) | 3,219 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N20 9LJ, for 2015.
- Meter count: The total number of meters in N20 9LJ.
- 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
18.3% of English postcodes are less deprived than N20 9LJ:Food Standards Agency
Three nearest food hygiene ratings to N20 9LJ (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N20 9LJ
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Whetstone Post Office | 18:30 | 12:00 | 122m |
| Athenaeum Road | 17:30 | 12:00 | 186m |
| 54 Totteridge Lane | 17:30 | 12:00 | 202m |
N20 9LJ ITL and N20 9LJ 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 N20 9LJ:
| ITL 1 Code | Name |
|---|---|
| TLI | London |
| ITL 2 Code | Name |
| TLI7 | Outer London - West and North West |
| ITL 3 Code | Name |
| TLI71 | Barnet |
| LAU 1 Code | Name |
| E09000003 | Barnet |
N20 9LJ 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 N20 9LJ:
| Code | Name | |
|---|---|---|
| OA | E00001376 | |
| LSOA | E01000282 | Barnet 008E |
| MSOA | E02000031 | Barnet 008 |
Nearest postcodes to N20 9LJ
| N20 9LL | St Margarets Avenue | 41m |
| N20 9HR | High Road | 71m |
| N20 9HX | High Road | 88m |
| N20 9LH | Blakeney Close | 103m |
| N20 9HJ | High Road | 121m |
| N20 9HS | High Road | 124m |
| N20 9LD | St Margarets Avenue | 135m |
| N20 9QH | Totteridge Lane | 151m |
| N20 9EA | Grange View Road | 154m |
| N20 9LG | Manus Way | 157m |
- 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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