| Postcode | HA3 9UX | 
|---|---|
| Post Town | Harrow | 
| Nearest station | Preston Road (1 km) | 
| Bus stops | John Perrin Place (E) Woodcock Hill (S) Woodcock Hill (NW) Sandy Lane (HA3) (S) Ravenscroft Avenue (N) Magnolia Court (E) | 
| London travel zone | 4 | 
| Roads in this postcode | |
| Number of UPRNs | 6 View | 
| Known addresses | 191 Preston Hill, Harrow | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.576825 | |
|---|---|---|
| Longitude | -0.293012 | |
| Easting | 518384 | |
| Northing | 187820 | |
| Grid reference | TQ183878 | |
| UTM reference | 30U 687567 5717445 | |
| what3words | clap.discrepancy.leaps | |
| FixPhrase | cringing magma stipulate vending | |
| Plus code | 9C3XHPG4+PQ | |
| Altitude | 46 metres (150 feet) | |
| Sunrise (today) | 6:54 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 50.6 KMs (31.4 miles) | 
| Parish | Brent, unparished area | E43000195 | 
|---|---|---|
| Ward | Kenton | E05013502 | 
| London Borough | Brent | E09000005 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Brent West | E14001123 | 
| MP | Barry Gardiner | Labour | 
| Police force | Metropolitan Police | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Brent | |
| 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) | 10 | |
|---|---|---|
| Households (2011) | 3 | |
| 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) | Brent | E63011958 | 
| Census output area (2021) | E00002346 | |
| Census output area (2011) | 4C2 | |
| Lower layer super output area (2021) | Brent 006C | E01000485 | 
| Lower layer super output area (2011) | Brent 006C | E01000485 | 
| Middle layer super output area (2021) | Barnhill The Avenue | E02000098 | 
| Middle layer super output area (2011) | Barnhill The Avenue | E02000098 | 
| Travel to work area | London | E30000234 | 
| Average property price in Harrow | £533,144 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 191 Preston Hill, Harrow | Detached (freehold) | Dec 2005 | £350,000 |