SL4 3JB maps, stats, and open data
SL4 3JB lies on Bolton Avenue in Windsor. SL4 3JB is located in the Old Windsor 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 3JB maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
SL4 3JB geodata
| Easting | 496511 |
| Northing | 175870 |
| Latitude | 51.473572 |
| Longitude | -0.611812 |
Where is SL4 3JB?
| Street | Bolton Avenue |
| Town/City | Windsor |
| Country | England |
| Postcode District | SL4 |
SL4 3JB Elevation
Elevation or altitude of SL4 3JB 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 | Old Windsor |
|---|---|
| Constituency | Windsor |
House Prices
Sales of detached houses in SL4 3JB
2022 23 FEB £925,000 |
10, BOLTON AVENUE, WINDSOR, SL4 3JB 2021 23 JUN £1,800,000 |
2015 3 SEP £1,250,000 |
2014 16 MAY £999,000 |
2011 22 NOV £932,000 |
2003 16 JAN £598,000 |
2002 3 JUL £600,000 |
4, BOLTON AVENUE, WINDSOR, SL4 3JB 2002 21 MAR £840,000 |
2000 31 JUL £499,950 |
2000 30 JUN £515,000 |
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 3JB
| All Saints' Church (Frances Road) | Windsor | 164m |
| All Saints' Church (Frances Road) | Windsor | 219m |
| Knights Place (St Leonards Road) | Windsor | 233m |
| King Edward Vii Hospital (St Leonards Road) | Windsor | 244m |
| Osborne Road | Windsor | 247m |
Nearest railway stations to SL4 3JB
| Windsor & Eton Central Station | 1.1km |
| Windsor & Eton Riverside Station | 1.4km |
| Datchet Station | 2.5km |
Broadband
Broadband access in SL4 3JB (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 3JB (2019 data)
Download
| Median download speed | 40.0Mbps |
| Average download speed | 104.4Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 10.0Mbps |
| Average upload speed | 10.2Mbps |
| Maximum upload speed | 19.53Mbps |
Broadband limitations in SL4 3JB (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 3JB gas and electricity consumption
Estimated total energy consumption in SL4 3JB by fuel type, 2015.
Gas
| Consumption (kWh) | 247,338 |
|---|---|
| Meter count | 8 |
| Mean (kWh/meter) | 30,917 |
| Median (kWh/meter) | 30,761 |
Electricity
| Consumption (kWh) | 66,593 |
|---|---|
| Meter count | 9 |
| Mean (kWh/meter) | 7,399 |
| Median (kWh/meter) | 3,722 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in SL4 3JB, for 2015.
- Meter count: The total number of meters in SL4 3JB.
- 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
5.1% of English postcodes are less deprived than SL4 3JB:Food Standards Agency
Three nearest food hygiene ratings to SL4 3JB (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to SL4 3JB
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Frances Road | 16:45 | 11:30 | 236m |
| Bolton Avenue | 17:15 | 11:30 | 247m |
| Saint Leonards Road | 17:15 | 11:30 | 264m |
SL4 3JB ITL and SL4 3JB 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 3JB:
| 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 3JB 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 3JB:
| Code | Name | |
|---|---|---|
| OA | E00083785 | |
| LSOA | E01016596 | Windsor and Maidenhead 015C |
| MSOA | E02003435 | Windsor and Maidenhead 015 |
Nearest postcodes to SL4 3JB
| SL4 3JD | Bolton Avenue | 49m |
| SL4 3HS | Nightingale Walk | 62m |
| SL4 3SQ | Osborne Road | 93m |
| SL4 3EQ | Osborne Road | 98m |
| SL4 3SS | Osborne Road | 119m |
| SL4 3FE | Frances Road | 125m |
| SL4 3SG | Balmoral Gardens | 131m |
| SL4 3JA | Prospect Place | 154m |
| SL4 3JQ | Bolton Crescent | 163m |
| SL4 3EG | Osborne Road | 166m |
- 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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