SL4 5RW maps, stats, and open data
SL4 5RW lies on Testwood Road in Windsor. SL4 5RW is located in the Clewer & Dedworth West 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 5RW maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SL4 5RW geodata
| Easting | 493808 |
| Northing | 176773 |
| Latitude | 51.482143 |
| Longitude | -0.650479 |
Where is SL4 5RW?
| Street | Testwood Road |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 5RW Elevation
Elevation or altitude of SL4 5RW 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 | Clewer & Dedworth West |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 5RW
2020 24 MAR £580,000 |
2015 16 DEC £492,500 |
12, TESTWOOD ROAD, WINDSOR, SL4 5RW 2005 28 OCT £267,500 |
2005 8 JUL £307,500 |
2000 31 MAR £178,000 |
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 5RW
| Homer First School (Testwood Road) | Dedworth | 36m |
| Pierson Road (Testwood Road) | Dedworth | 45m |
| Homer First School (Testwood Road) | Dedworth | 86m |
| Lockets Close (Gallys Road) | Dedworth | 163m |
| Lockets Close (Gallys Road) | Dedworth | 171m |
Nearest railway stations to SL4 5RW
| Windsor & Eton Central Station | 2.8km |
| Windsor & Eton Riverside Station | 3.1km |
| Burnham (Berks) Station | 4.6km |
Broadband
Broadband access in SL4 5RW (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 5RW (2019 data)
Download
| Median download speed | 66.1Mbps |
| Average download speed | 58.9Mbps |
| Maximum download speed | 150.00Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 11.4Mbps |
| Maximum upload speed | 20.00Mbps |
Broadband limitations in SL4 5RW (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 5RW gas and electricity consumption
Estimated total energy consumption in SL4 5RW by fuel type, 2015.
Gas
| Consumption (kWh) | 451,107 |
|---|---|
| Meter count | 32 |
| Mean (kWh/meter) | 14,097 |
| Median (kWh/meter) | 13,794 |
Electricity
| Consumption (kWh) | 120,454 |
|---|---|
| Meter count | 33 |
| Mean (kWh/meter) | 3,650 |
| Median (kWh/meter) | 2,933 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 5RW, for 2015.
- Meter count: The total number of meters in SL4 5RW.
- 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
7.3% of English postcodes are less deprived than SL4 5RW:Food Standards Agency
Three nearest food hygiene ratings to SL4 5RW (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 5RW
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Hatch Lane | 17:30 | 11:45 | 1,460m |
| Clewer Hill Road | 17:30 | 11:45 | 1,905m |
| Cavalry Crescent | 16:45 | 11:30 | 2,364m |
SL4 5RW ITL and SL4 5RW 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 5RW:
| 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 5RW 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 5RW:
| Code | Name | |
|---|---|---|
| OA | E00083565 | |
| LSOA | E01016553 | Windsor and Maidenhead 013B |
| MSOA | E02003433 | Windsor and Maidenhead 013 |
Nearest postcodes to SL4 5RW
| SL4 5SX | Clifton Rise | 45m |
| SL4 5RL | Testwood Road | 55m |
| SL4 5TD | Clifton Rise | 79m |
| SL4 5RN | Andermans | 81m |
| SL4 5RJ | Pierson Road | 104m |
| SL4 5RQ | Pierson Road | 112m |
| SL4 5TE | Alden View | 124m |
| SL4 5RA | Gallys Road | 157m |
| SL4 5TB | Hayse Hill | 167m |
| SL4 5TA | Frymley View | 171m |
- 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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