N21 3BX maps, stats, and open data
N21 3BX lies on Broad Walk in London. N21 3BX is located in the Winchmore Hill electoral ward, within the London borough of Enfield and the English Parliamentary constituency of Enfield, Southgate. 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.
N21 3BX maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
N21 3BX geodata
| Easting | 531071 |
| Northing | 194248 |
| Latitude | 51.631783 |
| Longitude | -0.107623 |
Where is N21 3BX?
| Street | Broad Walk |
| Town/City | London |
| Country | England |
| Postcode District | N21 |
N21 3BX Elevation
Elevation or altitude of N21 3BX as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 60m | 197ft |
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 | Winchmore Hill |
|---|---|
| Constituency | Enfield, Southgate |
House Prices
Sales of detached houses in N21 3BX
70, BROAD WALK, LONDON, N21 3BX 2025 22 DEC £2,300,000 |
2024 4 MAR £3,230,000 |
62, BROAD WALK, LONDON, N21 3BX 2021 26 MAR £1,000,000 |
2020 21 DEC £2,300,000 |
2018 20 DEC £1,850,000 |
2017 25 SEP £2,600,000 |
2015 17 FEB £2,500,000 |
2010 9 JUL £2,550,000 |
56, BROAD WALK, LONDON, N21 3BX 2009 4 JUN £2,650,000 |
68, BROAD WALK, LONDON, N21 3BX 2007 5 SEP £1,900,000 |
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 N21 3BX
| Winchmore Hill The Green | Winchmore Hill | 446m |
| Winchmore Hill The Green | Winchmore Hill | 456m |
| Highfield Road (Green Lanes) | Palmers Green | 743m |
| Church Hill | Winchmore Hill | 753m |
| Highfield Road (Green Lanes) | Palmers Green | 759m |
Nearest underground/metro/tram to N21 3BX
| Southgate Underground Station | Southgate | 1,399m |
Nearest railway stations to N21 3BX
| Winchmore Hill Station | 0.5km |
| Grange Park Station | 1.4km |
| Palmers Green Station | 1.5km |
Broadband
Broadband access in N21 3BX (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 N21 3BX (2019 data)
Download
| Median download speed | 100.0Mbps |
| Average download speed | 90.9Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 1.1Mbps |
| Average upload speed | 1.1Mbps |
| Maximum upload speed | 1.25Mbps |
Broadband limitations in N21 3BX (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% |
N21 3BX gas and electricity consumption
Estimated total energy consumption in N21 3BX by fuel type, 2015.
Gas
| Consumption (kWh) | 511,051 |
|---|---|
| Meter count | 10 |
| Mean (kWh/meter) | 51,105 |
| Median (kWh/meter) | 54,464 |
Electricity
| Consumption (kWh) | 100,757 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 12,595 |
| Median (kWh/meter) | 8,967 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N21 3BX, for 2015.
- Meter count: The total number of meters in N21 3BX.
- 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
23.3% of English postcodes are less deprived than N21 3BX:Food Standards Agency
Three nearest food hygiene ratings to N21 3BX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N21 3BX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Seaforth Gardens/Broad Walk | 17:30 | 12:00 | 145m |
| Woodlands Way N21 | 17:30 | 12:00 | 263m |
| 34 Oaklands | 17:30 | 12:00 | 391m |
N21 3BX ITL and N21 3BX 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 N21 3BX:
| ITL 1 Code | Name |
|---|---|
| TLI | London |
| ITL 2 Code | Name |
| TLI5 | Outer London - East and North East |
| ITL 3 Code | Name |
| TLI54 | Enfield |
| LAU 1 Code | Name |
| E09000010 | Enfield |
N21 3BX 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 N21 3BX:
| Code | Name | |
|---|---|---|
| OA | E00007756 | |
| LSOA | E01001568 | Enfield 022D |
| MSOA | E02000298 | Enfield 022 |
Nearest postcodes to N21 3BX
| N21 3BU | Broad Walk | 65m |
| N21 3QN | Woodcroft | 187m |
| N21 3QP | Woodcroft | 188m |
| N21 3PT | Downes Court | 193m |
| N21 3PY | Woodland Way | 194m |
| N21 3PS | Downes Court | 210m |
| N21 3PX | Woodland Way | 220m |
| N21 3BL | Broad Walk | 234m |
| N21 3BJ | Broad Walk | 238m |
| N21 3BY | Broad Walk | 267m |
- 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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