| Postcode | N3 1QS | 
|---|---|
| Post Town | London | 
| Nearest station | Finchley Central (0 km) | 
| Bus stops | Long Lane Finchley Central (S) Nether Street  West Finchley (S) Nether Street  West Finchley (N) Finchley Central (S) Chilvins Court (S) Eversleigh Road (N) | 
| London travel zone | 4 | 
| Roads in this postcode | |
| Number of UPRNs | 28 View | 
| Known addresses | First Floor Flat, 33 Grove Avenue, London Ground Floor Flat, 33 Grove Avenue, London 7 Grove Avenue, London 9 Grove Avenue, London 23 Grove Avenue, London 29 Grove Avenue, London 35 Grove Avenue, London | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.604896 | |
|---|---|---|
| Longitude | -0.191824 | |
| Easting | 525318 | |
| Northing | 191110 | |
| Grid reference | TQ253911 | |
| UTM reference | 30U 694457 5720831 | |
| what3words | shed.love.menu | |
| FixPhrase | crinkle magnesium scallion washbasin | |
| Plus code | 9C3XJR35+X7 | |
| Altitude | 90 metres (294 feet) | |
| Sunrise (today) | 6:53 | |
| Sunset (today) | 16:37 | |
| Distance away | ||
| Distance to sea | 44.9 KMs (27.9 miles) | 
| Parish | Barnet, unparished area | E43000193 | 
|---|---|---|
| Ward | West Finchley | E05013648 | 
| London Borough | Barnet | E09000003 | 
| County | Greater London | E11000009 | 
| Constituency (2024) | Finchley and Golders Green | E14001238 | 
| MP | Sarah Sackman | Labour | 
| Police force | Metropolitan Police | |
| Water company | Affinity Water | |
| Sewage company | Thames Water | |
| NUTS/ITL 3 | Barnet | |
| 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) | 49 | |
|---|---|---|
| Households (2011) | 18 | |
| 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) | Barnet | E63011868 | 
| Census output area (2021) | E00001449 | |
| Census output area (2011) | 4C3 | |
| Lower layer super output area (2021) | Barnet 023C | E01000296 | 
| Lower layer super output area (2011) | Barnet 023C | E01000296 | 
| Middle layer super output area (2021) | Church End | E02000046 | 
| Middle layer super output area (2011) | Church End | E02000046 | 
| Travel to work area | London | E30000234 | 
| Average property price in North London | £609,231 | 
|---|---|
| Annual change | -2.9% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 29 Grove Avenue, London | Semi-detached (freehold) | Aug 2021 | £1,120,000 | 
| Semi-detached (freehold) | Sep 2007 | £640,000 | |
| 35 Grove Avenue, London | Semi-detached (freehold) | Nov 2019 | £1,110,000 | 
| Semi-detached (freehold) | Jun 2007 | £650,000 | |
| Semi-detached (freehold) | Oct 2006 | £525,000 | |
| Semi-detached (freehold) | Jan 1999 | £227,000 | |
| 7 Grove Avenue, London | Semi-detached (freehold) | Feb 2018 | £1,192,500 | 
| First Floor Flat, 33 Grove Avenue, London | Flat (leasehold) | Jul 2016 | £450,000 | 
| Flat (leasehold) | May 1998 | £40,000 | |
| 23 Grove Avenue, London | Semi-detached (freehold) | Apr 2016 | £880,000 | 
| 9 Grove Avenue, London | Semi-detached (freehold) | Jun 2011 | £743,000 | 
| Ground Floor Flat, 33 Grove Avenue, London | Flat (leasehold) | Nov 2008 | £218,000 | 
| Flat (leasehold) | May 1998 | £56,000 |