SL4 3HN maps, stats, and open data
SL4 3HN lies on Alma Road in Windsor. SL4 3HN is located in the Eton & Castle electoral ward, within the unitary authority of Windsor and Maidenhead and the English Parliamentary constituency of Windsor. The Sub Integrated Care Board (ICB) Location is NHS Frimley ICB - D4U1Y and the police force is Thames Valley. This postcode has been in use since January 1980.
SL4 3HN geodata
| Easting | 496216 |
| Northing | 176692 |
| Latitude | 51.481012 |
| Longitude | -0.615818 |
Where is SL4 3HN?
| Street | Alma Road |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 3HN Elevation
Elevation or altitude of SL4 3HN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 20m | 66ft |
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 | Eton & Castle |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 3HN
2007 31 AUG £750,000 |
2005 17 JUN £490,000 |
1997 31 OCT £60,000 |
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 SL4 3HN
| Alma Road (Clarence Road) | Windsor | 120m |
| Alma Road (Clarence Road) | Windsor | 136m |
| Vansittart Road (Clarence Road) | Windsor | 201m |
| Arthur Road | Windsor | 238m |
| Arthur Road | Windsor | 244m |
Nearest railway stations to SL4 3HN
| Windsor & Eton Central Station | 0.5km |
| Windsor & Eton Riverside Station | 0.8km |
| Datchet Station | 2.5km |
Broadband
Broadband access in SL4 3HN (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 | 90.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband limitations in SL4 3HN (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% |
SL4 3HN gas and electricity consumption
Estimated total energy consumption in SL4 3HN by fuel type, 2015.
Gas
| Consumption (kWh) | 118,852 |
|---|---|
| Meter count | 6 |
| Mean (kWh/meter) | 19,809 |
| Median (kWh/meter) | 20,468 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 3HN, for 2015.
- Meter count: The total number of meters in SL4 3HN.
- 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
17.4% of English postcodes are less deprived than SL4 3HN:Food Standards Agency
Three nearest food hygiene ratings to SL4 3HN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 3HN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Alma Road | 17:15 | 11:30 | 240m |
| Bachelors Acre | 17:15 | 11:45 | 378m |
| Saint Marks Road | 17:15 | 11:30 | 434m |
Environment
| Risk of SL4 3HN flooding from rivers and sea | Low |
SL4 3HN ITL and SL4 3HN 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 SL4 3HN:
| ITL 1 Code | Name |
|---|---|
| TLJ | South East (England) |
| ITL 2 Code | Name |
| TLJ1 | Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 Code | Name |
| TLJ11 | Berkshire |
| LAU 1 Code | Name |
| E06000040 | Windsor and Maidenhead |
SL4 3HN 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 SL4 3HN:
| Code | Name | |
|---|---|---|
| OA | E00083529 | |
| LSOA | E01016547 | Windsor and Maidenhead 012B |
| MSOA | E02003432 | Windsor and Maidenhead 012 |
Nearest postcodes to SL4 3HN
| SL4 3HL | Alma Road | 33m |
| SL4 3HW | Alma Road | 56m |
| SL4 5AH | Clarence Road | 71m |
| SL4 3SL | Hunters Mews | 75m |
| SL4 1TB | Christian Square | 103m |
| SL4 5AQ | Clarence Road | 104m |
| SL4 5BW | Clewer Fields | 130m |
| SL4 5AX | Clarence Road | 131m |
| SL4 5BX | Bexley Street | 134m |
| SL4 5BP | Bexley Street | 139m |
- 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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