SL4 4AD maps, stats, and open data
SL4 4AD lies on Harrington Close in Windsor. SL4 4AD is located in the Clewer & Dedworth 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 4AD maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SL4 4AD geodata
| Easting | 494897 |
| Northing | 175480 |
| Latitude | 51.470339 |
| Longitude | -0.635148 |
Where is SL4 4AD?
| Street | Harrington Close |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 4AD Elevation
Elevation or altitude of SL4 4AD 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 & Dedworth East |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 4AD
6, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2019 5 NOV £740,000 |
15, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2019 12 JUL £725,000 |
3, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2018 21 SEP £850,000 |
2018 10 AUG £930,000 |
2017 25 OCT £705,000 |
2012 30 OCT £482,500 |
17, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2010 26 JAN £550,000 |
2007 2 AUG £500,000 |
2, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2006 31 JAN £546,500 |
5, HARRINGTON CLOSE, WINDSOR, SL4 4AD 2004 22 OCT £525,000 |
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 4AD
| Woodland Avenue (Winkfield Road) | Clewer | 132m |
| St Leonards Hill (Winkfield Road) | Clewer | 242m |
| Hatch Lane (Clewer Hill Road) | Clewer | 243m |
| Prince Albert Ph (Winkfield Road) | Clewer | 247m |
| Hatch Lane (Clewer Hill Road) | Clewer | 251m |
Nearest railway stations to SL4 4AD
| Windsor & Eton Central Station | 2.2km |
| Windsor & Eton Riverside Station | 2.6km |
| Datchet Station | 4.1km |
Broadband
Broadband access in SL4 4AD (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 4AD (2019 data)
Download
| Median download speed | 78.1Mbps |
| Average download speed | 125.6Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 17.9Mbps |
| Average upload speed | 12.8Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SL4 4AD (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 4AD gas and electricity consumption
Estimated total energy consumption in SL4 4AD by fuel type, 2015.
Gas
| Consumption (kWh) | 383,294 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 22,547 |
| Median (kWh/meter) | 17,784 |
Electricity
| Consumption (kWh) | 109,215 |
|---|---|
| Meter count | 17 |
| Mean (kWh/meter) | 6,424 |
| Median (kWh/meter) | 5,603 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 4AD, for 2015.
- Meter count: The total number of meters in SL4 4AD.
- 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
14.9% of English postcodes are less deprived than SL4 4AD:Food Standards Agency
Three nearest food hygiene ratings to SL4 4AD (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 4AD
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Clewer Hill Road | 17:30 | 11:45 | 379m |
| Hatch Lane | 17:30 | 11:45 | 686m |
| Cavalry Crescent | 16:45 | 11:30 | 846m |
SL4 4AD ITL and SL4 4AD 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 4AD:
| 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 4AD 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 4AD:
| Code | Name | |
|---|---|---|
| OA | E00083788 | |
| LSOA | E01016595 | Windsor and Maidenhead 015B |
| MSOA | E02003435 | Windsor and Maidenhead 015 |
Nearest postcodes to SL4 4AD
| SL4 4AE | Sherbourne Drive | 110m |
| SL4 4BZ | Ellison Close | 150m |
| SL4 4HA | Perrycroft | 151m |
| SL4 4BJ | Kimber Close | 166m |
| SL4 4HJ | Perrycroft | 171m |
| SL4 4PU | Byron Court | 210m |
| SL4 4BG | Winkfield Road | 210m |
| SL4 4BA | Winkfield Road | 213m |
| SL4 4AG | Woodland Avenue | 216m |
| SL4 4BY | Clewer Hill Road | 222m |
- 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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