N3 1SN maps, stats, and open data
N3 1SN lies on St Marys Avenue in London. N3 1SN is located in the Finchley Church End electoral ward, within the London borough of Barnet and the English Parliamentary constituency of Finchley and Golders Green. 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.
N3 1SN geodata
| Easting | 524495 |
| Northing | 190312 |
| Latitude | 51.597906 |
| Longitude | -0.203955 |
Where is N3 1SN?
| Street | St Marys Avenue |
| Town/City | London |
| Country | England |
| Postcode District | N3 |
N3 1SN Elevation
Elevation or altitude of N3 1SN 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 | Finchley Church End |
|---|---|
| Constituency | Finchley And Golders Green |
House Prices
Sales of detached houses in N3 1SN
HEATHFIELD, ST MARYS AVENUE, LONDON, N3 1SN 2018 31 JAN £1,375,000 |
26, ST MARYS AVENUE, LONDON, N3 1SN 2017 7 FEB £1,125,000 |
HEATHFIELD, ST MARYS AVENUE, LONDON, N3 1SN 2016 17 MAY £1,180,000 |
2, ST MARYS AVENUE, LONDON, N3 1SN 2015 25 JUN £1,170,000 |
17, ST MARYS AVENUE, LONDON, N3 1SN 2010 12 NOV £880,000 |
ALBANY, ST MARYS AVENUE, LONDON, N3 1SN 2010 21 OCT £1,000,000 |
2, ST MARYS AVENUE, LONDON, N3 1SN 2007 9 NOV £685,000 |
ALBANY, ST MARYS AVENUE, LONDON, N3 1SN 2006 15 JUN £730,000 |
2, ST MARYS AVENUE, LONDON, N3 1SN 2006 31 JAN £495,000 |
FORMENTOR, ST MARYS AVENUE, LONDON, N3 1SN 2004 30 JUN £687,500 |
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 N3 1SN
| St Mary's Avenue Hendon Lane | Church End | 177m |
| St Mary's Avenue Hendon Lane | Church End | 205m |
| Arden Road | Church End | 249m |
| Arden Road | Church End | 337m |
| Gravel Hill (N3) (Gravel Hill) | Finchley | 366m |
Nearest underground/metro/tram to N3 1SN
| Finchley Central Underground Station | Finchley Central | 862m |
| Mill Hill East Underground Station | Mill Hill East | 1,222m |
| West Finchley Underground Station | West Finchley | 1,677m |
Nearest railway stations to N3 1SN
| Hendon Station | 3.1km |
| Mill Hill Broadway Station | 3.6km |
| Cricklewood Station | 4.4km |
Broadband
Broadband access in N3 1SN (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 | 96.6% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in N3 1SN (2019 data)
Download
| Median download speed | 64.3Mbps |
| Average download speed | 79.9Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 1.3Mbps |
| Average upload speed | 6.7Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in N3 1SN (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% |
N3 1SN gas and electricity consumption
Estimated total energy consumption in N3 1SN by fuel type, 2015.
Gas
| Consumption (kWh) | 1,313,945 |
|---|---|
| Meter count | 55 |
| Mean (kWh/meter) | 23,890 |
| Median (kWh/meter) | 23,276 |
Electricity
| Consumption (kWh) | 272,276 |
|---|---|
| Meter count | 58 |
| Mean (kWh/meter) | 4,694 |
| Median (kWh/meter) | 3,430 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N3 1SN, for 2015.
- Meter count: The total number of meters in N3 1SN.
- 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
22.3% of English postcodes are less deprived than N3 1SN:Food Standards Agency
Three nearest food hygiene ratings to N3 1SN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N3 1SN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Cyprus Avenue | 17:30 | 12:00 | 138m |
| Windsor Road | 17:30 | 12:00 | 182m |
| 37 Cyprus Road | 17:30 | 12:00 | 289m |
N3 1SN ITL and N3 1SN 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 N3 1SN:
| 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 |
N3 1SN 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 N3 1SN:
| Code | Name | |
|---|---|---|
| OA | E00000999 | |
| LSOA | E01000200 | Barnet 028B |
| MSOA | E02000051 | Barnet 028 |
Nearest postcodes to N3 1SN
| N3 1SW | St Marys Avenue | 39m |
| N3 1ST | Cyprus Avenue | 67m |
| N3 1SL | Hendon Lane | 115m |
| N3 1RZ | Hendon Lane | 117m |
| N3 1RR | Hendon Lane | 124m |
| N3 1SS | Cyprus Avenue | 129m |
| N3 1US | St Marys Avenue | 130m |
| N3 1UP | Freston Park | 134m |
| N3 1SE | Hendon Lane | 139m |
| N3 1SP | Cyprus Gardens | 151m |
- 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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