| Postcode | NN3 3DP | 
|---|---|
| Post Town | Northampton | 
| Nearest station | Northampton (5 km) | 
| Bus stops | Fir Tree Walk (NE) Moorland Close (NW) Fir Tree Walk (SW) Charnwood Avenue (SW) Moorland Close (SE) Charnwood Avenue (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 47 View | 
| Known addresses | 1 Grassmere Avenue, Northampton 2 Grassmere Avenue, Northampton 3 Grassmere Avenue, Northampton 5 Grassmere Avenue, Northampton 7 Grassmere Avenue, Northampton 8 Grassmere Avenue, Northampton 10 Grassmere Avenue, Northampton 11 Grassmere Avenue, Northampton 12 Grassmere Avenue, Northampton 14 Grassmere Avenue, Northampton 15 Grassmere Avenue, Northampton 17 Grassmere Avenue, Northampton 18 Grassmere Avenue, Northampton 20 Grassmere Avenue, Northampton 22 Grassmere Avenue, Northampton 26 Grassmere Avenue, Northampton 29 Grassmere Avenue, Northampton 30 Grassmere Avenue, Northampton 31 Grassmere Avenue, Northampton 32 Grassmere Avenue, Northampton 33 Grassmere Avenue, Northampton 35 Grassmere Avenue, Northampton 37 Grassmere Avenue, Northampton 39 Grassmere Avenue, Northampton 40 Grassmere Avenue, Northampton 43 Grassmere Avenue, Northampton 44 Grassmere Avenue, Northampton 45 Grassmere Avenue, Northampton 46 Grassmere Avenue, Northampton 47 Grassmere Avenue, Northampton 48 Grassmere Avenue, Northampton | 
| Main property type | Semi-detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 52.255973 | |
|---|---|---|
| Longitude | -0.838967 | |
| Easting | 479348 | |
| Northing | 262613 | |
| Grid reference | SP793626 | |
| UTM reference | 30U 647499 5791708 | |
| what3words | safely.leader.acted | |
| FixPhrase | crispy machinist spinner swoop | |
| Plus code | 9C4X7546+9C | |
| Altitude | 98 metres (323 feet) | |
| Sunrise (today) | 6:58 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 93.2 KMs (57.9 miles) | 
| Parish | Northampton | E04013033 | 
|---|---|---|
| Ward | Headlands | E05015993 | 
| Unitary Authority | West Northamptonshire | E06000062 | 
| County | Northamptonshire | E10000021 | 
| Constituency (2024) | Northampton North | E14001406 | 
| MP | Lucy Rigby | Labour | 
| Police force | Northamptonshire | |
| Water company | Anglian Water | |
| NUTS/ITL 3 | West Northamptonshire | |
| NUTS/ITL 2 | Leicestershire, Rutland and Northamptonshire | |
| NUTS/ITL 1 | East Midlands | |
| 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) | 104 | |
|---|---|---|
| Households (2011) | 44 | |
| 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) | Northampton | E63010463 | 
| Census output area (2021) | E00138282 | |
| Census output area (2011) | 6B1 | |
| Lower layer super output area (2021) | West Northamptonshire 018C | E01027181 | 
| Lower layer super output area (2011) | Northampton 010C | E01027181 | 
| Middle layer super output area (2021) | Westone | E02005659 | 
| Middle layer super output area (2011) | Westone | E02005659 | 
| Travel to work area | Northampton | E30000247 | 
| Average property price in Northampton | £276,963 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 14 Grassmere Avenue, Northampton | Semi-detached (freehold) | Oct 2024 | £200,000 | 
| 29 Grassmere Avenue, Northampton | Terraced (freehold) | Jan 2024 | £250,000 | 
| 3 Grassmere Avenue, Northampton | Terraced (freehold) | Jul 2023 | £300,000 | 
| 46 Grassmere Avenue, Northampton | Semi-detached (freehold) | Mar 2023 | £245,000 | 
| Semi-detached (freehold) | Jan 2015 | £152,500 | |
| 5 Grassmere Avenue, Northampton | Terraced (freehold) | Mar 2023 | £320,000 | 
| 22 Grassmere Avenue, Northampton | Semi-detached (freehold) | Sep 2022 | £237,500 | 
| 20 Grassmere Avenue, Northampton | Semi-detached (freehold) | May 2022 | £280,000 | 
| 47 Grassmere Avenue, Northampton | Semi-detached (freehold) | May 2022 | £375,000 | 
| Semi-detached (freehold) | Sep 2015 | £225,000 | |
| Semi-detached (freehold) | Oct 2002 | £156,750 | |
| 30 Grassmere Avenue, Northampton | Semi-detached (freehold) | Apr 2022 | £225,000 | 
| 8 Grassmere Avenue, Northampton | Semi-detached (freehold) | Nov 2021 | £225,000 |