| Postcode | SA31 3JS | 
|---|---|
| Post Town | Carmarthen | 
| Nearest station | Carmarthen (0 km) | 
| Bus stops | Railway Station (NE) Bus Station () Council Offices (SW) Peacocks (W) Southern Terrace (SW) Market Way (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 40 View | 
| Known addresses | First And Second Floor, 22 Bridge Street, Carmarthen First Floor Flat, 15 Bridge Street, Carmarthen Gate House, 19 Bridge Street, Carmarthen 15 Bridge Street, Carmarthen 16 Bridge Street, Carmarthen 17 Bridge Street, Carmarthen 18 Bridge Street, Carmarthen 22 Bridge Street, Carmarthen 24 Bridge Street, Carmarthen 26 Bridge Street, Carmarthen | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.855465 | |
|---|---|---|
| Longitude | -4.306411 | |
| Easting | 241256 | |
| Northing | 219946 | |
| Grid reference | SN412199 | |
| UTM reference | 30U 410027 5745769 | |
| what3words | pink.sung.bulb | |
| FixPhrase | crisped luminous spied unifier | |
| Plus code | 9C3QVM4V+5C | |
| Altitude | 18 metres (59 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:53 | |
| Distance away | ||
| Distance to sea | 4.5 KMs (2.8 miles) | 
| Parish | Carmarthen | W04000494 | 
|---|---|---|
| Ward | Carmarthen Town North and South | W05001183 | 
| Unitary Authority | Carmarthenshire | W06000010 | 
| County | Dyfed | W11000002 | 
| Constituency (2024) | Caerfyrddin | W07000087 | 
| MP | Ms Ann Davies | Plaid Cymru | 
| Police force | Dyfed-Powys | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | South West Wales | |
| 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) | 12 | |
|---|---|---|
| Households (2011) | 11 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Further from a major town or city | |
| Rural/urban (2011) | Urban city and town in a sparse setting | |
| Built up area (2024) | Carmarthen | W45000937 | 
| Census output area (2021) | W00003450 | |
| Census output area (2011) | 7D3 | |
| Lower layer super output area (2021) | Carmarthenshire 008A | W01000641 | 
| Lower layer super output area (2011) | Carmarthenshire 008A | W01000641 | 
| Middle layer super output area (2021) | Carmarthen South & Llangynnwr | W02000149 | 
| Middle layer super output area (2011) | Carmarthen South & Llangynnwr | W02000149 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 26 Bridge Street, Carmarthen | Other (freehold) | Aug 2022 | £96,000 | 
| First And Second Floor, 22 Bridge Street, Carmarthen | Other (leasehold) | Apr 2021 | £45,000 | 
| 22 Bridge Street, Carmarthen | Terraced (freehold) | Aug 2010 | £70,000 | 
| 24 Bridge Street, Carmarthen | Terraced (freehold) | Oct 2005 | £65,000 | 
| Terraced (freehold) | Dec 2003 | £49,500 | |
| 18 Bridge Street, Carmarthen | Detached (freehold) | Jun 2005 | £115,000 | 
| Detached (freehold) | Jun 2001 | £55,500 | |
| First Floor Flat, 15 Bridge Street, Carmarthen | Flat (freehold) | Oct 2002 | £27,500 | 
| 16 Bridge Street, Carmarthen | Terraced (freehold) | Nov 2001 | £18,500 | 
| 15 Bridge Street, Carmarthen | Terraced (freehold) | Oct 2001 | £16,500 | 
| 17 Bridge Street, Carmarthen | Terraced (freehold) | Apr 2001 | £31,000 | 
| Terraced (freehold) | Mar 2000 | £25,000 | |
| Gate House, 19 Bridge Street, Carmarthen | Terraced (freehold) | Nov 2000 | £175,000 |