| Postcode | SA31 3QN | 
|---|---|
| Post Town | Carmarthen | 
| Nearest station | Carmarthen (2 km) | 
| Bus stops | Capel Elim (NW) Trevaughan (S) Trevaughan (NW) Parc-Gwyn (SE) Parc-Gwyn (NW) | 
| Roads in this postcode | |
| Number of UPRNs | 28 View | 
| Known addresses | Brig Y Coed, Trevaughan Coedmore, Trevaughan Rock House, Trevaughan 53 Trevaughan 61 Trevaughan 65 Trevaughan 67 Trevaughan | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.870208 | |
|---|---|---|
| Longitude | -4.324889 | |
| Easting | 240036 | |
| Northing | 221626 | |
| Grid reference | SN400216 | |
| UTM reference | 30U 408784 5747432 | |
| what3words | trips.voices.survey | |
| FixPhrase | crisped luminous static tribute | |
| Plus code | 9C3QVMCG+32 | |
| Altitude | 71 metres (232 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:53 | |
| Distance away | ||
| Distance to sea | 6 KMs (3.7 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) | 26 | |
|---|---|---|
| Households (2011) | 13 | |
| 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) | Rural hamlet and isolated dwellings in a sparse setting | |
| Built up area (2024) | Carmarthen | W45000937 | 
| Census output area (2021) | W00003458 | |
| Census output area (2011) | 1A2 | |
| Lower layer super output area (2021) | Carmarthenshire 006B | W01000644 | 
| Lower layer super output area (2011) | Carmarthenshire 006B | W01000644 | 
| 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 | 
|---|---|---|---|
| 67 Trevaughan | Semi-detached (freehold) | Mar 2021 | £115,000 | 
| 53 Trevaughan | Detached (freehold) | Jun 2017 | £84,950 | 
| 65 Trevaughan | Semi-detached (freehold) | Dec 2015 | £72,000 | 
| Semi-detached (freehold) | Feb 2007 | £145,000 | |
| Coedmore, Trevaughan | Detached (freehold) | Dec 2013 | £165,000 | 
| 61 Trevaughan | Detached (freehold) | Aug 2007 | £182,500 | 
| Detached (freehold) | Mar 1999 | £58,000 | |
| Rock House, Trevaughan | Detached (freehold) | Jul 2007 | £173,000 | 
| Brig Y Coed, Trevaughan | Detached (freehold) | Jul 2006 | £140,000 |