SL4 4LN lies on Dedworth Road in Windsor. SL4 4LN is located in the Bray electoral ward, within the unitary authority of Windsor and Maidenhead and the English Parliamentary constituency of Maidenhead. 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.
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Source: OS OpenMap – Local (Ordnance Survey)
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
| Easting | 493087 |
| Northing | 176461 |
| Latitude | 51.479459 |
| Longitude | -0.660924 |
GetTheData
Source: Open Postcode Geo
Licence: Open Government Licence
| Street | Dedworth Road |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
➜ See where SL4 is on a map ➜ Where is Oakley Green? | |
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Source: Land Registry Price Paid Data
Licence: Open Government Licence
Elevation or altitude of SL4 4LN 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.
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Source: Open Postcode Elevation
Licence: Open Government Licence
| Ward | Bray |
| Constituency | Maidenhead |
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Source: ONS Postcode Database
Licence: Open Government Licence
2021 29 JUN £909,500 |
2017 30 NOV £840,000 |
2004 12 MAR £400,000 |
2002 9 AUG £350,000 |
THE OLD MALT HOUSE, DEDWORTH ROAD, WINDSOR, SL4 4LN 2000 19 MAY £891,000 |
1999 25 JUN £312,500 |
WILLOW SIDE, DEDWORTH ROAD, WINDSOR, SL4 4LN 1999 22 JAN £265,000 |
GetTheData
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
| The Greene Oak (Dedworth Road) | Dedworth | 105m |
| The Greene Oak (Dedworth Road) | Dedworth | 139m |
| Guards Road (Dedworth Road) | Dedworth | 260m |
| Guards Road (Dedworth Road) | Dedworth | 400m |
| Martin Close (Ruddlesway) | Dedworth | 477m |
| Windsor & Eton Central Station | 3.5km |
| Windsor & Eton Riverside Station | 3.8km |
| Burnham (Berks) Station | 5km |
GetTheData
Source: NaPTAN
Licence: Open Government Licence
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 9.1% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Median download speed | 40.0Mbps |
| Average download speed | 41.1Mbps |
| Maximum download speed | 80.00Mbps |
| Median upload speed | 10.9Mbps |
| Average upload speed | 11.0Mbps |
| Maximum upload speed | 20.00Mbps |
| 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% |
GetTheData
Source: Ofcom
Licence: Ofcom Terms of Use (requires attribution)
Estimated total energy consumption in SL4 4LN by fuel type, 2015.
| Consumption (kWh) | 313,778 |
|---|---|
| Meter count | 12 |
| Mean (kWh/meter) | 26,148 |
| Median (kWh/meter) | 21,296 |
| Consumption (kWh) | 55,739 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 6,967 |
| Median (kWh/meter) | 5,076 |
GetTheData
Source: Postcode level gas estimates: 2015 (experimental)
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
GetTheData
Source: ONS Postcode Database
Licence: Open Government Licence
➜ Get more ratings from the Food Standards Agency
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Source: Food Standards Agency
Licence: FSA terms & conditions
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Hatch Lane | 17:30 | 11:45 | 2,058m |
| Clewer Hill Road | 17:30 | 11:45 | 2,364m |
| Cavalry Crescent | 16:45 | 11:30 | 2,854m |
GetTheData
Source: Dracos
Licence: Creative Commons Attribution-ShareAlike
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 4LN:
| 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 |
GetTheData
Source: ONS Postcode Directory
Licence: Open Government Licence
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SL4 4LN:
| Code | Name | |
|---|---|---|
| OA | E00083500 | |
| LSOA | E01016540 | Windsor and Maidenhead 009B |
| MSOA | E02003429 | Windsor and Maidenhead 009 |
GetTheData
Source: ONS Postcode Directory
Licence: Open Government Licence
| SL4 4PY | Oakley Green Road | 159m |
| SL4 5UP | Oakley Green Road | 204m |
| SL4 4LL | Dedworth Road | 262m |
| SL4 5UN | Bishops Farm Close | 277m |
| SL4 4LH | Dedworth Road | 281m |
| SL4 4US | The Limes | 301m |
| SL4 4LJ | Dedworth Road | 301m |
| SL4 5UL | Oakley Green Road | 356m |
| SL4 5SN | Newberry Crescent | 434m |
| SL4 5SP | Martin Close | 442m |
GetTheData
Source: Open Postcode Geo; Land Registry Price Paid Data
Licence: Open Government Licence
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