SL4 3NJ maps, stats, and open data
SL4 3NJ lies on Upcroft in Windsor. SL4 3NJ is located in the Clewer East 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 3NJ maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SL4 3NJ geodata
| Easting | 495559 |
| Northing | 175950 |
| Latitude | 51.474452 |
| Longitude | -0.625493 |
Where is SL4 3NJ?
| Street | Upcroft |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 3NJ Elevation
Elevation or altitude of SL4 3NJ as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 30m | 98ft |
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 | Clewer East |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 3NJ
2022 7 SEP £930,000 |
2020 24 NOV £575,000 |
2010 16 SEP £380,000 |
2009 17 JUL £285,000 |
2005 18 NOV £314,000 |
2004 7 MAY £285,500 |
67, UPCROFT, WINDSOR, SL4 3NJ 2003 28 NOV £232,000 |
1998 7 APR £118,000 |
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 3NJ
| Upcroft | Windsor | 86m |
| Upcroft | Windsor | 89m |
| Westmead | Windsor | 152m |
| Westmead | Windsor | 166m |
| Peel Close | Windsor | 198m |
Nearest railway stations to SL4 3NJ
| Windsor & Eton Central Station | 1.4km |
| Windsor & Eton Riverside Station | 1.8km |
| Datchet Station | 3.3km |
Broadband
Broadband access in SL4 3NJ (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 SL4 3NJ (2019 data)
Download
| Median download speed | 45.7Mbps |
| Average download speed | 54.6Mbps |
| Maximum download speed | 200.00Mbps |
Upload
| Median upload speed | 3.7Mbps |
| Average upload speed | 3.9Mbps |
| Maximum upload speed | 7.43Mbps |
Broadband limitations in SL4 3NJ (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 3NJ gas and electricity consumption
Estimated total energy consumption in SL4 3NJ by fuel type, 2015.
Gas
| Consumption (kWh) | 271,007 |
|---|---|
| Meter count | 19 |
| Mean (kWh/meter) | 14,264 |
| Median (kWh/meter) | 15,764 |
Electricity
| Consumption (kWh) | 89,232 |
|---|---|
| Meter count | 19 |
| Mean (kWh/meter) | 4,696 |
| Median (kWh/meter) | 3,655 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 3NJ, for 2015.
- Meter count: The total number of meters in SL4 3NJ.
- 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
2.1% of English postcodes are less deprived than SL4 3NJ:Food Standards Agency
Three nearest food hygiene ratings to SL4 3NJ (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 3NJ
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Hatch Lane | 17:30 | 11:45 | 476m |
| Clewer Hill Road | 17:30 | 11:45 | 493m |
| Cavalry Crescent | 16:45 | 11:30 | 570m |
SL4 3NJ ITL and SL4 3NJ 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 3NJ:
| 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 3NJ 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 3NJ:
| Code | Name | |
|---|---|---|
| OA | E00083549 | |
| LSOA | E01016548 | Windsor and Maidenhead 014A |
| MSOA | E02003434 | Windsor and Maidenhead 014 |
Nearest postcodes to SL4 3NJ
| SL4 3RU | Imperial Road | 64m |
| SL4 3NL | Westmead | 137m |
| SL4 3NN | Westmead | 152m |
| SL4 3NQ | Upcroft | 167m |
| SL4 3NP | Peel Close | 183m |
| SL4 3NG | Bulkeley Avenue | 185m |
| SL4 3NH | Upcroft | 200m |
| SL4 3NF | Bulkeley Avenue | 217m |
| SL4 3NA | Bulkeley Avenue | 228m |
| SL4 3TR | Longbourn | 242m |
- 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)
GetTheData.com is owned and operated by GetTheData Publishing Limited.
Company Number: 11075184 · Registered in England and Wales.
Registered Office: 3rd Floor, 86-90 Paul Street, London, England, EC2A 4NE
By accessing our site you agree to us using cookies, and sharing information about your use of our site, in accordance with our privacy policy.