N21 3BL maps, stats, and open data
N21 3BL lies on Broad Walk in London. N21 3BL 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 3BL maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
N21 3BL geodata
| Easting | 531190 |
| Northing | 194450 |
| Latitude | 51.633570 |
| Longitude | -0.105829 |
Where is N21 3BL?
| Street | Broad Walk |
| Town/City | London |
| Country | England |
| Postcode District | N21 |
N21 3BL Elevation
Elevation or altitude of N21 3BL 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 3BL
39, BROAD WALK, LONDON, N21 3BL 2025 26 SEP £2,400,000 |
43, BROAD WALK, LONDON, N21 3BL 2025 25 JUL £2,720,000 |
45, BROAD WALK, LONDON, N21 3BL 2025 21 FEB £2,500,000 |
47, BROAD WALK, LONDON, N21 3BL 2004 30 JUL £715,000 |
39A, BROAD WALK, LONDON, N21 3BL 2000 8 JUN £550,000 |
2000 26 MAY £600,000 |
1996 15 NOV £415,000 |
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 3BL
| Winchmore Hill The Green | Winchmore Hill | 221m |
| Winchmore Hill The Green | Winchmore Hill | 232m |
| Church Hill | Winchmore Hill | 642m |
| Church Hill | Winchmore Hill | 649m |
| Station Road Green Lanes | Winchmore Hill | 706m |
Nearest railway stations to N21 3BL
| Winchmore Hill Station | 0.3km |
| Grange Park Station | 1.2km |
| Palmers Green Station | 1.7km |
Broadband
Broadband access in N21 3BL (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 | 88.9% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in N21 3BL (2019 data)
Download
| Median download speed | 19.1Mbps |
| Average download speed | 45.0Mbps |
| Maximum download speed | 100.00Mbps |
Upload
| Median upload speed | 1.0Mbps |
| Average upload speed | 4.6Mbps |
| Maximum upload speed | 19.53Mbps |
Broadband limitations in N21 3BL (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 3BL gas and electricity consumption
Estimated total energy consumption in N21 3BL by fuel type, 2015.
Gas
| Consumption (kWh) | 303,282 |
|---|---|
| Meter count | 7 |
| Mean (kWh/meter) | 43,326 |
| Median (kWh/meter) | 45,795 |
Electricity
| Consumption (kWh) | 77,327 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 9,666 |
| Median (kWh/meter) | 6,566 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in N21 3BL, for 2015.
- Meter count: The total number of meters in N21 3BL.
- 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 3BL:Food Standards Agency
Three nearest food hygiene ratings to N21 3BL (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to N21 3BL
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Seaforth Gardens/Broad Walk | 17:30 | 12:00 | 91m |
| Winchmore Hill Railway Station | 17:30 | 12:00 | 331m |
| Paulin Drive/Broadfields Ave | 17:30 | 12:00 | 402m |
N21 3BL ITL and N21 3BL 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 3BL:
| 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 3BL 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 3BL:
| Code | Name | |
|---|---|---|
| OA | E00007756 | |
| LSOA | E01001568 | Enfield 022D |
| MSOA | E02000298 | Enfield 022 |
Nearest postcodes to N21 3BL
| N21 3BJ | Broad Walk | 60m |
| N21 1HY | Yew Tree Close | 107m |
| N21 1HZ | Denleigh Gardens | 132m |
| N21 3PZ | Woodland Way | 157m |
| N21 1HU | The Green | 157m |
| N21 3PS | Downes Court | 158m |
| N21 3BN | Branscombe Gardens | 160m |
| N21 1LD | Uplands Court | 162m |
| N21 3BP | Branscombe Gardens | 163m |
| N21 3JP | Lynwood Grove | 167m |
- 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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