| Postcode | SA1 3JZ | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Swansea (1 km) | 
| Bus stops | Picton Arcade A (W) Argyle Street (SW) Christina Street B (NW) Christina Street A (NW) Christina Street (SE) Masonic (NE) | 
| Roads in this postcode | |
| Number of UPRNs | 51 View | 
| Known addresses | Ground Floor Flat, 155 Western Street, Swansea 1 Western Street, Swansea 4 Western Street, Swansea 6 Western Street, Swansea 8 Western Street, Swansea 10 Western Street, Swansea 11 Western Street, Swansea 15 Western Street, Swansea 18 Western Street, Swansea 21 Western Street, Swansea 22 Western Street, Swansea 23 Western Street, Swansea 155 Western Street, Swansea 156 Western Street, Swansea 157 Western Street, Swansea 158 Western Street, Swansea 161 Western Street, Swansea 162 Western Street, Swansea | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.617583 | |
|---|---|---|
| Longitude | -3.950428 | |
| Easting | 265063 | |
| Northing | 192776 | |
| Grid reference | SS650927 | |
| UTM reference | 30U 434198 5718933 | |
| what3words | land.cowboy.wanted | |
| FixPhrase | crinkle lunacy serpent unstopped | |
| Plus code | 9C3RJ29X+2R | |
| Altitude | 7 metres (24 feet) | |
| Sunrise (today) | 7:09 | |
| Sunset (today) | 16:52 | |
| Distance away | ||
| Distance to sea | 0.8 KMs (0.5 miles) | 
| Parish | Castle | W04001033 | 
|---|---|---|
| Ward | Castle | W05001041 | 
| Unitary Authority | Swansea | W06000011 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Swansea West | W07000108 | 
| MP | Torsten Bell | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Swansea | |
| NUTS/ITL 2 | Mid and South West Wales | |
| NUTS/ITL 1 | Wales | |
| Country | Wales | W92000004 | 
| 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) | 91 | |
|---|---|---|
| Households (2011) | 38 | |
| 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) | Swansea | W45001113 | 
| Census output area (2021) | W00003982 | |
| Census output area (2011) | 4A2 | |
| Lower layer super output area (2021) | Swansea 025B | W01000745 | 
| Lower layer super output area (2011) | Swansea 025B | W01000745 | 
| Middle layer super output area (2021) | Central Swansea | W02000192 | 
| Middle layer super output area (2011) | Central Swansea | W02000192 | 
| Travel to work area | Swansea | W22000032 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 23 Western Street, Swansea | Terraced (freehold) | Jul 2025 | £185,000 | 
| Terraced (freehold) | Jul 2025 | £185,000 | |
| Terraced (freehold) | Sep 2003 | £79,995 | |
| 156 Western Street, Swansea | Terraced (freehold) | Nov 2024 | £132,000 | 
| Terraced (freehold) | Jun 2017 | £115,000 | |
| Terraced (freehold) | Nov 2013 | £90,000 | |
| 162 Western Street, Swansea | Other (freehold) | Aug 2024 | £200,000 | 
| 158 Western Street, Swansea | Terraced (freehold) | Dec 2023 | £163,000 | 
| Terraced (freehold) | May 2010 | £117,500 | |
| Terraced (freehold) | Feb 2001 | £42,500 | |
| Terraced (freehold) | Jun 1995 | £39,950 | |
| 6 Western Street, Swansea | Terraced (freehold) | Jun 2023 | £171,500 | 
| Terraced (freehold) | Aug 2007 | £149,000 | |
| Terraced (freehold) | Sep 2006 | £85,000 | |
| 15 Western Street, Swansea | Terraced (freehold) | Sep 2022 | £170,000 | 
| Terraced (freehold) | May 2002 | £43,000 | |
| 1 Western Street, Swansea | Terraced (freehold) | Aug 2018 | £100,000 | 
| Terraced (freehold) | Dec 1999 | £27,000 | |
| 22 Western Street, Swansea | Terraced (freehold) | Jun 2016 | £114,000 | 
| 18 Western Street, Swansea | Terraced (freehold) | Jul 2015 | £80,000 | 
| 8 Western Street, Swansea | Terraced (freehold) | Feb 2015 | £117,000 | 
| Terraced (freehold) | Jan 2000 | £59,000 |