| Postcode | NN1 2JZ | 
|---|---|
| Post Town | Northampton | 
| Nearest station | Northampton (1 km) | 
| Bus stops | 
                       Regent Street (S) 
Arundel Street (SW) 
Arundel Street (NE) 
Gala Casino (NE) 
Gala Casino (SW) 
Northampton Bus Interchange () 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 64 View | 
| Known addresses | 
                       18 St Johns House, St Andrews Street, Northampton 
                            33 St Johns House, St Andrews Street, Northampton 
                       | 
                  
| Main property type | Flat | 
| Businesses | 
| Latitude | 52.241505 | |
|---|---|---|
| Longitude | -0.900756 | |
| Easting | 475155 | |
| Northing | 260938 | |
| Grid reference | SP751609 | |
| UTM reference | 30U 643329 5789975 | |
| what3words | cats.drip.spent | |
| FixPhrase | crispy machine sleet unmatched | |
| Plus code | 9C4X63RX+JM | |
| Altitude | 77 metres (254 feet) | |
| Sunrise (today) | 7:05 | |
| Sunset (today) | 16:31 | |
| Distance away | ||
| Distance to sea | 97.1 KMs (60.3 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 | 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) | 62 | |
|---|---|---|
| Households (2011) | 45 | |
| 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) | E00138145 | |
| Census output area (2011) | 3C1 | |
| Lower layer super output area (2021) | West Northamptonshire 032D | E01032978 | 
| Lower layer super output area (2011) | Northampton 021E | E01032978 | 
| 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 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 18 St Johns House, St Andrews Street, Northampton | Flat (leasehold) | Mar 2019 | £105,000 | 
| Flat (leasehold) | Jun 2014 | £86,000 | |
| 33 St Johns House, St Andrews Street, Northampton | Flat (leasehold) | Dec 2013 | £46,000 |