SL4 4SY maps, stats, and open data
SL4 4SY lies on North Street in Winkfield, Windsor. SL4 4SY is located in the Winkfield & Warfield East electoral ward, within the unitary authority of Bracknell Forest 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 4SY maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SL4 4SY geodata
| Easting | 492614 |
| Northing | 172811 |
| Latitude | 51.446725 |
| Longitude | -0.668705 |
Where is SL4 4SY?
| Street | North Street |
| Locality | Winkfield |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 4SY Elevation
Elevation or altitude of SL4 4SY 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 | Winkfield & Warfield East |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 4SY
2025 17 APR £865,000 |
2023 2 JUN £1,175,000 |
BARBERRY HOUSE, NORTH STREET, WINKFIELD, WINDSOR, SL4 4SY 2022 24 AUG £785,000 |
1, NORTH STREET, WINKFIELD, WINDSOR, SL4 4SY 2022 24 MAY £540,000 |
WILLOWS, NORTH STREET, WINKFIELD, WINDSOR, SL4 4SY 2020 20 FEB £775,000 |
2019 27 NOV £815,000 |
2017 1 MAR £830,000 |
2016 10 JUN £1,100,000 |
3, HOMELANDS, NORTH STREET, WINKFIELD, WINDSOR, SL4 4SY 2015 13 MAR £870,000 |
2, HOMELANDS, NORTH STREET, WINKFIELD, WINDSOR, SL4 4SY 2014 22 DEC £815,000 |
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 SL4 4SY
| Crouch Lane (North Street) | Cranbourne | 211m |
| Squirrels (North Street) | Cranbourne | 240m |
| Crouch Lane (North Street) | Cranbourne | 245m |
| Squirrels (North Street) | Cranbourne | 259m |
| Mounts Hill | Woodend | 449m |
Nearest railway stations to SL4 4SY
| Ascot Station | 4.5km |
| Windsor & Eton Central Station | 5.7km |
| Martins Heron Station | 5.8km |
Broadband
Broadband access in SL4 4SY (2020 data)
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 97.4% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in SL4 4SY (2019 data)
Download
| Median download speed | 40.0Mbps |
| Average download speed | 45.9Mbps |
| Maximum download speed | 80.00Mbps |
Upload
| Median upload speed | 9.5Mbps |
| Average upload speed | 10.5Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SL4 4SY (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 | 2.6% |
SL4 4SY gas and electricity consumption
Estimated total energy consumption in SL4 4SY by fuel type, 2015.
Gas
| Consumption (kWh) | 564,316 |
|---|---|
| Meter count | 25 |
| Mean (kWh/meter) | 22,573 |
| Median (kWh/meter) | 18,848 |
Electricity
| Consumption (kWh) | 138,695 |
|---|---|
| Meter count | 38 |
| Mean (kWh/meter) | 3,650 |
| Median (kWh/meter) | 3,030 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 4SY, for 2015.
- Meter count: The total number of meters in SL4 4SY.
- 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
19.3% of English postcodes are less deprived than SL4 4SY:Food Standards Agency
Three nearest food hygiene ratings to SL4 4SY (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 4SY
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Brookside Post Office | 17:15 | 12:00 | 2,103m |
| Windsor Great Park Post Office | 16:15 | 08:45 | 2,861m |
| High Pines | 16:30 | 08:30 | 2,872m |
SL4 4SY ITL and SL4 4SY 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 4SY:
| 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 |
| E06000036 | Bracknell Forest |
SL4 4SY 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 4SY:
| Code | Name | |
|---|---|---|
| OA | E00082113 | |
| LSOA | E01016252 | Bracknell Forest 001C |
| MSOA | E02003352 | Bracknell Forest 001 |
Nearest postcodes to SL4 4SY
| SL4 4TF | North Street | 126m |
| SL4 4TB | North Street | 129m |
| SL4 4TG | Wesley Place | 150m |
| SL4 4SZ | Beaulah Place | 175m |
| SL4 4BD | Montague Park | 194m |
| SL4 4TA | North Street | 252m |
| SL4 4TP | Squirrel Lane | 308m |
| SL4 4TL | Crouch Lane | 348m |
| SL4 2FA | Mayfield Place | 430m |
| SL4 4FG | Drift Road | 449m |
- 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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