| Postcode | SL4 1HX | 
|---|---|
| Post Town | Windsor | 
| Nearest station | Windsor and Eton Central (1 km) | 
| Bus stops | 
                       All Saints' Church (SW) 
William Street (W) 
William Street (E) 
Knights Place (NE) 
Charles Street (S) 
Alma Road (E) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 49 View | 
| Known addresses | 
                       Flat A, 29 St Leonards Avenue, Windsor 
                            Flat B, 29 St Leonards Avenue, Windsor 
                            3 St Leonards Avenue, Windsor 
                            4 St Leonards Avenue, Windsor 
                            5 St Leonards Avenue, Windsor 
                            6 St Leonards Avenue, Windsor 
                            7 St Leonards Avenue, Windsor 
                            8 St Leonards Avenue, Windsor 
                            9 St Leonards Avenue, Windsor 
                            11 St Leonards Avenue, Windsor 
                            12 St Leonards Avenue, Windsor 
                            13 St Leonards Avenue, Windsor 
                            14 St Leonards Avenue, Windsor 
                            15 St Leonards Avenue, Windsor 
                            16 St Leonards Avenue, Windsor 
                            17 St Leonards Avenue, Windsor 
                            18 St Leonards Avenue, Windsor 
                            19 St Leonards Avenue, Windsor 
                            20 St Leonards Avenue, Windsor 
                            21 St Leonards Avenue, Windsor 
                            22 St Leonards Avenue, Windsor 
                            23 St Leonards Avenue, Windsor 
                            24 St Leonards Avenue, Windsor 
                            25 St Leonards Avenue, Windsor 
                            26 St Leonards Avenue, Windsor 
                            27 St Leonards Avenue, Windsor 
                            28 St Leonards Avenue, Windsor 
                            29A St Leonards Avenue, Windsor 
                            29B St Leonards Avenue, Windsor 
                            30 St Leonards Avenue, Windsor 
                            31 St Leonards Avenue, Windsor 
                            33 St Leonards Avenue, Windsor 
                            36 St Leonards Avenue, Windsor 
                            38 St Leonards Avenue, Windsor 
                            40 St Leonards Avenue, Windsor 
                            44 46 And, 48 Clockhouse Road 
                            44 St Leonards Avenue, Windsor 
                            46 St Leonards Avenue, Windsor 
                            48 St Leonards Avenue, Windsor 
                            50 St Leonards Avenue, Windsor 
                            52A St Leonards Avenue, Windsor 
                       | 
                  
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.476967 | |
|---|---|---|
| Longitude | -0.61211 | |
| Easting | 496483 | |
| Northing | 176247 | |
| Grid reference | SU964762 | |
| UTM reference | 30U 665822 5705571 | |
| what3words | apples.kept.sleeps | |
| FixPhrase | cringe magenta stoppable tartar | |
| Plus code | 9C3XF9GQ+Q5 | |
| Altitude | 26 metres (87 feet) | |
| Sunrise (today) | 7:02 | |
| Sunset (today) | 16:32 | |
| Distance away | ||
| Distance to sea | 70.9 KMs (44.1 miles) | 
| Parish | Windsor and Maidenhead, unparished area | E43000259 | 
|---|---|---|
| Ward | Eton & Castle | E05012504 | 
| Unitary Authority | Windsor and Maidenhead | E06000040 | 
| County | Berkshire | E11000002 | 
| Constituency (2024) | Windsor | E14001588 | 
| MP | Jack Rankin | Conservative | 
| Police force | Thames Valley | |
| Water company | Thames Water | |
| NUTS/ITL 3 | Berkshire East | |
| NUTS/ITL 2 | Berkshire, Buckinghamshire and Oxfordshire | |
| NUTS/ITL 1 | South East | |
| Country | England | E92000001 | 
| Date introduced | January 1980 | 
|---|---|
| Last updated | September 2025 | 
| User type | Small (addresses receive less than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| Population (2011) | 93 | |
|---|---|---|
| Households (2011) | 41 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Windsor | E63012122 | 
| Census output area (2021) | E00083540 | |
| Census output area (2011) | 5A3 | |
| Lower layer super output area (2021) | Windsor and Maidenhead 015A | E01016546 | 
| Lower layer super output area (2011) | Windsor and Maidenhead 015A | E01016546 | 
| Middle layer super output area (2021) | Spital & Cranbourne Park | E02003435 | 
| Middle layer super output area (2011) | Spital & Cranbourne Park | E02003435 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 33 St Leonards Avenue, Windsor | Semi-detached (freehold) | Mar 2025 | £507,500 | 
| Semi-detached (freehold) | Nov 2004 | £249,999 | |
| Semi-detached (freehold) | Aug 1997 | £124,500 | |
| Semi-detached (freehold) | Aug 1996 | £145,000 | |
| 19 St Leonards Avenue, Windsor | Semi-detached (freehold) | Aug 2024 | £895,000 | 
| Semi-detached (freehold) | Feb 2000 | £298,500 | |
| 52A St Leonards Avenue, Windsor | Flat (leasehold) | Jul 2024 | £225,000 | 
| Flat (leasehold) | Nov 2011 | £157,500 | |
| 16 St Leonards Avenue, Windsor | Terraced (freehold) | May 2024 | £727,000 | 
| Terraced (freehold) | Dec 2002 | £325,000 | |
| 38 St Leonards Avenue, Windsor | Terraced (freehold) | Sep 2022 | £550,000 | 
| 20 St Leonards Avenue, Windsor | Terraced (freehold) | Mar 2022 | £675,000 | 
| 29B St Leonards Avenue, Windsor | Flat (leasehold) | Feb 2022 | £262,500 | 
| Flat (leasehold) | Sep 2014 | £240,000 | |
| 48 St Leonards Avenue, Windsor | Terraced (freehold) | Jan 2022 | £640,000 | 
| 22 St Leonards Avenue, Windsor | Terraced (freehold) | Sep 2021 | £895,000 | 
| 25 St Leonards Avenue, Windsor | Terraced (freehold) | Jun 2021 | £845,000 | 
| Terraced (freehold) | May 2004 | £438,000 | |
| Terraced (freehold) | Jan 1998 | £203,000 | |
| Terraced (freehold) | Jul 1997 | £127,000 |