| Postcode | SA31 3QL | 
|---|---|
| Post Town | Carmarthen | 
| Nearest station | Carmarthen (2 km) | 
| Bus stops | Trevaughan (NW) Derwen Fechan (SE) Capel Elim (NW) Capel Elim (SE) Fire Station (N) Fire Station (SE) | 
| Roads in this postcode | |
| Number of UPRNs | 46 View | 
| Known addresses | Arfron, Trevaughan Avalon, Trevaughan Broad Oaks, Trevaughan Salari, Trevaughan 9 Trevaughan 13 Trevaughan 13 Trevaughan Road, Carmarthen 15 Trevaughan 17 Trevaughan 19 Trevaughan 23 Trevaughan 29 Trevaughan 29A Trevaughan 33 Trevaughan 35 Trevaughan 39 Trevaughan 43 Trevaughan 45 Trevaughan 47 Trevaughan 49 Trevaughan 51 Trevaughan | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.86668 | |
|---|---|---|
| Longitude | -4.324111 | |
| Easting | 240077 | |
| Northing | 221232 | |
| Grid reference | SN400212 | |
| UTM reference | 30U 408831 5747038 | |
| what3words | gifts.crisp.pays | |
| FixPhrase | crisped luminous stagnate unwomanly | |
| Plus code | 9C3QVM8G+M9 | |
| Altitude | 40 metres (130 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:53 | |
| Distance away | ||
| Distance to sea | 5.6 KMs (3.5 miles) | 
| Parish | Carmarthen | W04000494 | 
|---|---|---|
| Ward | Carmarthen Town West | W05001184 | 
| 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 | August 1993 | 
|---|---|
| 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) | 88 | |
|---|---|---|
| Households (2011) | 34 | |
| 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) | W00010694 | |
| Census output area (2011) | 1B1 | |
| Lower layer super output area (2021) | Carmarthenshire 006C | W01000645 | 
| Lower layer super output area (2011) | Carmarthenshire 006C | W01000645 | 
| Middle layer super output area (2021) | Carmarthen West & Cynwyl Elfed | W02000147 | 
| Middle layer super output area (2011) | Carmarthen West & Cynwyl Elfed | W02000147 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 19 Trevaughan | Terraced (freehold) | Apr 2025 | £105,000 | 
| Terraced (freehold) | Feb 2021 | £77,500 | |
| Terraced (freehold) | Jul 2017 | £63,000 | |
| Terraced (freehold) | May 2001 | £33,500 | |
| Terraced (freehold) | Aug 1996 | £25,950 | |
| 51 Trevaughan | Terraced (freehold) | Dec 2024 | £120,000 | 
| Terraced (freehold) | Jul 2021 | £110,000 | |
| Terraced (freehold) | Jul 2015 | £92,000 | |
| 35 Trevaughan | Terraced (freehold) | Feb 2024 | £102,000 | 
| 39 Trevaughan | Terraced (freehold) | Oct 2023 | £160,000 | 
| 43 Trevaughan | Semi-detached (freehold) | Oct 2023 | £107,000 | 
| Semi-detached (freehold) | Feb 2008 | £107,000 | |
| Detached (freehold) | Oct 2001 | £35,000 | |
| 29A Trevaughan | Terraced (freehold) | Oct 2022 | £120,000 | 
| Terraced (freehold) | Apr 2018 | £80,000 | |
| Terraced (freehold) | Dec 2004 | £60,000 | |
| Broad Oaks, Trevaughan | Detached (freehold) | Oct 2022 | £475,000 | 
| Detached (freehold) | Oct 2021 | £375,000 | |
| Detached (freehold) | Dec 2017 | £290,000 | |
| Detached (freehold) | Mar 2003 | £172,000 | |
| Avalon, Trevaughan | Detached (freehold) | Mar 2022 | £270,000 | 
| Detached (freehold) | Sep 2006 | £220,000 | |
| 13 Trevaughan Road, Carmarthen | Terraced (freehold) | Mar 2022 | £115,000 | 
| Salari, Trevaughan | Detached (freehold) | Feb 2022 | £143,000 |