| Postcode | NN1 2DN | 
|---|---|
| Post Town | Northampton | 
| Nearest station | Northampton (1 km) | 
| Bus stops | Northampton Bus Interchange (N) Northampton Bus Interchange () St Peters Walk (E) Coach Park (SE) Gala Casino (SW) Police Station (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 2 View | 
| Known addresses | 1 Market Square, Northampton | 
| Main property type | Other | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 52.238476 | |
|---|---|---|
| Longitude | -0.896993 | |
| Easting | 475417 | |
| Northing | 260605 | |
| Grid reference | SP754606 | |
| UTM reference | 30U 643596 5789646 | |
| what3words | vast.corner.bared | |
| FixPhrase | crispy machinist skimming unhitched | |
| Plus code | 9C4X64Q3+96 | |
| Altitude | 85 metres (278 feet) | |
| Sunrise (today) | 6:58 | |
| Sunset (today) | 16:38 | |
| Distance away | ||
| Distance to sea | 97.2 KMs (60.4 miles) | 
| Parish | Northampton | E04013033 | 
|---|---|---|
| Ward | Castle | E05015983 | 
| 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 | Large (addresses receive more than 25 items of mail per day) | 
| Quality | Within the building of the matched address closest to the postcode mean | 
| 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) | E00169259 | |
| Census output area (2011) | 2C1 | |
| Lower layer super output area (2021) | West Northamptonshire 032E | E01032979 | 
| Lower layer super output area (2011) | Northampton 021F | E01032979 | 
| Middle layer super output area (2021) | Town Centre & Semilong | E02005670 | 
| Middle layer super output area (2011) | Town Centre & Semilong | E02005670 | 
| Travel to work area | Northampton | E30000247 | 
| Average property price in Northampton | £276,963 | 
|---|---|
| Annual change | 0.3% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 1 Market Square, Northampton | Other (freehold) | Apr 2021 | £860,000 |