| Postcode | SA33 6RU | 
|---|---|
| Post Town | Carmarthen | 
| Nearest station | Whitland (16 km) | 
| Bus stops | 
                       Caerwenog (SW) 
Trelech Square (SE) 
Trelech Square (NW) 
Church (S) 
Church (N) 
                     | 
                  
| Roads in this postcode | |
| Number of UPRNs | 61 View | 
| Known addresses | 
                       Awelfa, Trelech 
                            Brynambor, Trelech 
                            Cartref, Trelech 
                            Erw Lon, Trelech 
                            Hafan Deg, 10 Caerwenog, Trelech 
                            Maes Yr Awel, Trelech 
                            Penlan, Trelech 
                            Rock Hall, Trelech 
                            Rock Villa, Trelech 
                            School House, Trelech 
                            Tafarn Beca, Trelech 
                            The Manse, Trelech 
                            Trelech Joinery Workshop, Blaenwaun Twr, Trelech 
                            Tresi Aur, Trelech 
                            Trewen, Trelech 
                            Yr Ydlan, Trelech 
                            2 Caerwenog, Trelech 
                            4 Caerwenog, Trelech 
                            5 Caerwenog, Trelech 
                            9 Caerwenog, Trelech 
                       | 
                  
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.945822 | |
|---|---|---|
| Longitude | -4.500232 | |
| Easting | 228255 | |
| Northing | 230434 | |
| Grid reference | SN282304 | |
| UTM reference | 30U 396886 5756075 | |
| what3words | bookings.camper.visual | |
| FixPhrase | crisping lumber smasher vibes | |
| Plus code | 9C3QWFWX+8W | |
| Altitude | 189 metres (621 feet) | |
| Sunrise (today) | 7:19 | |
| Sunset (today) | 16:46 | |
| Distance away | ||
| Distance to sea | 17.6 KMs (10.9 miles) | 
| Parish | Trelech | W04000558 | 
|---|---|---|
| Ward | Trelech | W05001223 | 
| 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) | 64 | |
|---|---|---|
| Households (2011) | 30 | |
| Index of Multiple Deprivation (2019) | 
                     Most deprivedLeast deprived 
                   | 
                |
| Average household income (2020) | 
                       Lowest (£22,200)
                        Highest (£108,100)
                       
                     | 
                  |
| Rural/urban (2021) | Smaller rural: Further from a major town or city | |
| Rural/urban (2011) | Rural hamlet and isolated dwellings in a sparse setting | |
| Census output area (2021) | W00003909 | |
| Census output area (2011) | 1A3 | |
| Lower layer super output area (2021) | Carmarthenshire 003D | W01000728 | 
| Lower layer super output area (2011) | Carmarthenshire 003D | W01000728 | 
| Middle layer super output area (2021) | Tre-lech, Cenarth & Llangeler | W02000144 | 
| Middle layer super output area (2011) | Tre-lech, Cenarth & Llangeler | W02000144 | 
| Travel to work area | Llanelli | W22000028 | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Tresi Aur, Trelech | Detached (freehold) | Jul 2024 | £215,000 | 
| Detached (freehold) | Feb 2013 | £172,500 | |
| Maes Yr Awel, Trelech | Detached (freehold) | Jun 2021 | £191,000 | 
| Trewen, Trelech | Detached (freehold) | Sep 2020 | £205,000 | 
| Rock Villa, Trelech | Detached (freehold) | Jun 2020 | £205,000 | 
| Detached (freehold) | Dec 2016 | £134,000 | |
| School House, Trelech | Other (freehold) | Jan 2020 | £95,000 | 
| 2 Caerwenog, Trelech | Semi-detached (freehold) | Aug 2019 | £107,000 | 
| Semi-detached (freehold) | Dec 2007 | £119,000 | |
| Semi-detached (freehold) | May 2005 | £89,000 | |
| Trelech Joinery Workshop, Blaenwaun Twr, Trelech | Other (leasehold) | Aug 2018 | £40,000 | 
| 4 Caerwenog, Trelech | Semi-detached (freehold) | Oct 2017 | £92,000 | 
| Semi-detached (freehold) | Mar 2002 | £42,500 | |
| Semi-detached (freehold) | Oct 1996 | £40,000 | |
| Erw Lon, Trelech | Detached (freehold) | Apr 2017 | £132,500 | 
| Yr Ydlan, Trelech | Detached (freehold) | Jul 2016 | £170,000 | 
| Detached (freehold) | Nov 2009 | £148,000 |