| Postcode | IP4 5JB | 
|---|---|
| Post Town | Ipswich | 
| Nearest station | Derby Road (Ipswich) (1 km) | 
| Bus stops | 
                       Starfield Close (N) 
Cowper Street (E) 
Starfield Close (S) 
Crabbe Street (W) 
Parliament Road (W) 
Parliament Road (E) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 25 View | 
| Known addresses | 
                       15 Cowper Street, Ipswich 
                            21 Cowper Street, Ipswich 
                            21A Cowper Street, Ipswich 
                            23 Cowper Street, Ipswich 
                            25 Cowper Street, Ipswich 
                            26 Cowper Street, Ipswich 
                            28 Cowper Street, Ipswich 
                            29 Cowper Street, Ipswich 
                            30 Cowper Street, Ipswich 
                            32 Cowper Street, Ipswich 
                            35 Cowper Street, Ipswich 
                            41 Cowper Street, Ipswich 
                            48 Cowper Street, Ipswich 
                            50 Cowper Street, Ipswich 
                            52 Cowper Street, Ipswich 
                            62 Cowper Street, Ipswich 
                            62A Cowper Street, Ipswich 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
                     
                        No businesses found
                     
                   | 
                
| Latitude | 52.057707 | |
|---|---|---|
| Longitude | 1.186406 | |
| Easting | 618543 | |
| Northing | 244717 | |
| Grid reference | TM185447 | |
| UTM reference | 31U 375660 5769008 | |
| what3words | driven.nurses.bound | |
| FixPhrase | crisply majority splashy unwound | |
| Plus code | 9F43355P+3H | |
| Altitude | 43 metres (143 feet) | |
| Sunrise (today) | 6:56 | |
| Sunset (today) | 16:23 | |
| Distance away | ||
| Distance to sea | 3.3 KMs (2 miles) | 
| Parish | Ipswich, unparished area | E43000134 | 
|---|---|---|
| Ward | St John's | E05007126 | 
| Local Authority District | Ipswich | E07000202 | 
| County Electoral Division | St. John's | E58001442 | 
| Local Authority | Suffolk | E10000029 | 
| County | Suffolk | E10000029 | 
| Constituency (2024) | Ipswich | E14001302 | 
| MP | Jack Abbott | Labour | 
| Police force | Suffolk | |
| Water company | Anglian Water | |
| NUTS/ITL 3 | Ipwich | |
| NUTS/ITL 2 | Suffolk | |
| NUTS/ITL 1 | East of England | |
| 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) | 61 | |
|---|---|---|
| Households (2011) | 25 | |
| 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) | Ipswich | E63010852 | 
| Census output area (2021) | E00152907 | |
| Census output area (2011) | 5A2 | |
| Lower layer super output area (2021) | Ipswich 008B | E01030003 | 
| Lower layer super output area (2011) | Ipswich 008B | E01030003 | 
| Middle layer super output area (2021) | California | E02006252 | 
| Middle layer super output area (2011) | California | E02006252 | 
| Travel to work area | Ipswich | E30000222 | 
| Average property price in Ipswich | £294,439 | 
|---|---|
| Annual change | -0.5% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 15 Cowper Street, Ipswich | Detached (freehold) | Jul 2022 | £540,000 | 
| 41 Cowper Street, Ipswich | Detached (freehold) | Jun 2022 | £475,000 | 
| Detached (freehold) | Jan 2013 | £320,000 | |
| 29 Cowper Street, Ipswich | Semi-detached (freehold) | Nov 2021 | £421,500 | 
| Semi-detached (freehold) | Jan 2006 | £227,000 | |
| 28 Cowper Street, Ipswich | Detached (freehold) | Aug 2019 | £340,000 | 
| 30 Cowper Street, Ipswich | Detached (freehold) | Aug 2017 | £340,000 | 
| Detached (freehold) | Feb 1996 | £76,000 | |
| 26 Cowper Street, Ipswich | Detached (freehold) | Feb 2016 | £292,000 | 
| Detached (freehold) | Aug 2002 | £162,500 | |
| 62 Cowper Street, Ipswich | Detached (freehold) | Jan 2015 | £235,000 | 
| 21A Cowper Street, Ipswich | Detached (freehold) | Sep 2014 | £250,000 | 
| Semi-detached (freehold) | Jul 2004 | £205,000 | |
| 48 Cowper Street, Ipswich | Detached (freehold) | Sep 2013 | £240,000 | 
| 21 Cowper Street, Ipswich | Semi-detached (freehold) | Aug 2013 | £125,000 | 
| Semi-detached (freehold) | Sep 2003 | £107,000 | |
| Semi-detached (freehold) | Sep 1998 | £50,000 |