SL4 5AX maps, stats, and open data
SL4 5AX lies on Clarence Road in Windsor. SL4 5AX 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 5AX geodata
| Easting | 496096 |
| Northing | 176640 |
| Latitude | 51.480564 |
| Longitude | -0.617576 |
Where is SL4 5AX?
| Street | Clarence Road |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 5AX Elevation
Elevation or altitude of SL4 5AX 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 5AX
2011 28 APR £1,125,000 |
21A, CLARENCE ROAD, WINDSOR, SL4 5AX 2004 28 OCT £250,000 |
2001 5 JUL £530,000 |
2000 8 MAR £489,995 |
1999 25 NOV £130,000 |
1997 15 JAN £118,000 |
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 5AX
| Alma Road (Clarence Road) | Windsor | 36m |
| Vansittart Road (Clarence Road) | Windsor | 71m |
| Vansittart Road | Windsor | 130m |
| Vansittart Road (Clarence Road) | Windsor | 186m |
| Alma Road (Clarence Road) | Windsor | 228m |
Nearest railway stations to SL4 5AX
| Windsor & Eton Central Station | 0.6km |
| Windsor & Eton Riverside Station | 1km |
| Datchet Station | 2.7km |
Broadband
Broadband access in SL4 5AX (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 | 96.2% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SL4 5AX (2019 data)
Download
| Median download speed | 78.4Mbps |
| Average download speed | 88.4Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 20.0Mbps |
| Average upload speed | 17.1Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SL4 5AX (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 5AX gas and electricity consumption
Estimated total energy consumption in SL4 5AX by fuel type, 2015.
Gas
| Consumption (kWh) | 741,772 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 29,671 |
| Median (kWh/meter) | 28,844 |
Electricity
| Consumption (kWh) | 197,961 |
|---|---|
| Meter count | 24 |
| Mean (kWh/meter) | 8,248 |
| Median (kWh/meter) | 7,620 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 5AX, for 2015.
- Meter count: The total number of meters in SL4 5AX.
- 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 5AX:Food Standards Agency
Three nearest food hygiene ratings to SL4 5AX (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 5AX
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Alma Road | 17:15 | 11:30 | 207m |
| Saint Marks Road | 17:15 | 11:30 | 454m |
| Bachelors Acre | 17:15 | 11:45 | 504m |
Environment
| Risk of SL4 5AX flooding from rivers and sea | Low |
SL4 5AX ITL and SL4 5AX 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 5AX:
| 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 5AX 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 5AX:
| Code | Name | |
|---|---|---|
| OA | E00083529 | |
| LSOA | E01016547 | Windsor and Maidenhead 012B |
| MSOA | E02003432 | Windsor and Maidenhead 012 |
Nearest postcodes to SL4 5AX
| SL4 5AU | Clarence Road | 37m |
| SL4 5BX | Bexley Street | 74m |
| SL4 5BP | Bexley Street | 100m |
| SL4 5DQ | Vansittart Road | 113m |
| SL4 5DH | Vansittart Road | 130m |
| SL4 3HN | Alma Road | 131m |
| SL4 3HH | Alma Road | 146m |
| SL4 5DG | Vansittart Road | 147m |
| SL4 5DL | Vansittart Road | 152m |
| SL4 5BW | Clewer Fields | 155m |
- 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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