| Postcode | SL6 4AD | 
|---|---|
| Post Town | Maidenhead | 
| Nearest station | Maidenhead (1 km) | 
| Bus stops | Boyn Hill Avenue (NE) Windsor Castle PH (E) Kings Grove (S) Kings Grove (N) Castle Hill (SW) Windsor Castle PH (W) | 
| Roads in this postcode | |
| Number of UPRNs | 3 View | 
| Known addresses | Elva Lodge Hotel, Castle Hill, Maidenhead 17 Castle Hill, Maidenhead 19 Castle Hill, Maidenhead | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.522253 | |
|---|---|---|
| Longitude | -0.730455 | |
| Easting | 488177 | |
| Northing | 181134 | |
| Grid reference | SU881811 | |
| UTM reference | 30U 657449 5710345 | |
| what3words | pram.neck.hails | |
| FixPhrase | cringing magazine shelf uncertain | |
| Plus code | 9C3XG7C9+WR | |
| Altitude | 49 metres (160 feet) | |
| Sunrise (today) | 6:55 | |
| Sunset (today) | 16:39 | |
| Distance away | ||
| Distance to sea | 76.5 KMs (47.6 miles) | 
| Parish | Windsor and Maidenhead, unparished area | E43000259 | 
|---|---|---|
| Ward | Boyn Hill | E05012497 | 
| Unitary Authority | Windsor and Maidenhead | E06000040 | 
| County | Berkshire | E11000002 | 
| Constituency (2024) | Maidenhead | E14001348 | 
| MP | Mr Joshua Reynolds | Liberal Democrat | 
| Police force | Thames Valley | |
| Water company | South East Water | |
| Sewage 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) | 4 | |
|---|---|---|
| Households (2011) | 2 | |
| 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) | Maidenhead | E63012044 | 
| Census output area (2021) | E00083488 | |
| Census output area (2011) | 2C1 | |
| Lower layer super output area (2021) | Windsor and Maidenhead 005D | E01016536 | 
| Lower layer super output area (2011) | Windsor and Maidenhead 005D | E01016536 | 
| Middle layer super output area (2021) | Maidenhead Central | E02003425 | 
| Middle layer super output area (2011) | Maidenhead Central | E02003425 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Average property price in Slough | £515,972 | 
|---|---|
| Annual change | 0.1% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Elva Lodge Hotel, Castle Hill, Maidenhead | Other (freehold) | Sep 2016 | £2,250,000 | 
| Detached (freehold) | May 2002 | £680,000 | |
| 19 Castle Hill, Maidenhead | Detached (freehold) | Sep 2003 | £315,000 | 
| Detached (freehold) | Jul 1999 | £195,000 | |
| 17 Castle Hill, Maidenhead | Detached (freehold) | Jul 1999 | £460,000 |