| Postcode | HA4 8LL | 
|---|---|
| Post Town | Ruislip | 
| Nearest station | Ruislip (0 km) | 
| Bus stops | Brickwall Lane (N) Midcroft (N) Ruislip (N) Ruislip (S) Chichester Avenue (E) The Oaks (S) | 
| London travel zone | 6 | 
| Roads in this postcode | |
| Number of UPRNs | 46 View | 
| Known addresses | 
                          No addresses found
                       | 
| Businesses | 
| Latitude | 51.573374 | |
|---|---|---|
| Longitude | -0.423698 | |
| Easting | 509336 | |
| Northing | 187233 | |
| Grid reference | TQ093872 | |
| UTM reference | 30U 678527 5716734 | |
| what3words | nest.farms.melt | |
| FixPhrase | cringing magical sternness underwire | |
| Plus code | 9C3XHHFG+8G | |
| Altitude | 53 metres (174 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 59.2 KMs (36.8 miles) | 
| Parish | Hillingdon, unparished area | E43000207 | 
|---|---|---|
| Ward | Ruislip | E05013577 | 
| London Borough | Hillingdon | E09000017 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Ruislip, Northwood and Pinner | E14001454 | 
| MP | David Simmonds | Conservative | 
| Police force | Metropolitan Police | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Harrow and Hillingdon | |
| NUTS/ITL 2 | Outer London - West and North West | |
| NUTS/ITL 1 | London | |
| 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) | 15 | |
|---|---|---|
| Households (2011) | 7 | |
| 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 major conurbation | |
| Built up area (2024) | Hillingdon | E63012034 | 
| Census output area (2021) | E00012637 | |
| Census output area (2011) | 2D1 | |
| Lower layer super output area (2021) | Hillingdon 007E | E01002535 | 
| Lower layer super output area (2011) | Hillingdon 007E | E01002535 | 
| Middle layer super output area (2021) | Ruislip | E02000500 | 
| Middle layer super output area (2011) | Ruislip | E02000500 | 
| Travel to work area | Slough and Heathrow | E30000266 | 
| Average property price in Harrow | £533,144 | 
|---|---|
| Annual change | 0.3% |