| Postcode | SA15 5BW | 
|---|---|
| Post Town | Llanelli | 
| Nearest station | Carmarthen (10 km) | 
| Bus stops | No nearby bus stops | 
| Number of UPRNs | 11 View | 
| Known addresses | Blaen Y Waun, Mynyddcerrig Bryn Tawel, Mynyddcerrig Long Acre, Mynyddcerrig Mountain Gate, Mynyddcerrig Ty Canol, Mynyddcerrig | 
| Main property type | Detached | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.801859 | |
|---|---|---|
| Longitude | -4.183021 | |
| Easting | 249575 | |
| Northing | 213723 | |
| Grid reference | SN495137 | |
| UTM reference | 30U 418428 5739662 | |
| what3words | tugging.madder.educates | |
| FixPhrase | crisped lumping sardine waking | |
| Plus code | 9C3QRR28+PQ | |
| Altitude | 183 metres (601 feet) | |
| Sunrise (today) | 7:10 | |
| Sunset (today) | 16:52 | |
| Distance away | ||
| Distance to sea | 9.5 KMs (5.9 miles) | 
| Parish | Llangyndeyrn | W04000532 | 
|---|---|---|
| Ward | Llangyndeyrn | W05001211 | 
| Unitary Authority | Carmarthenshire | W06000010 | 
| County | Dyfed | W11000002 | 
| Constituency (2024) | Llanelli | W07000098 | 
| MP | Dame Nia Griffith | Labour | 
| 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) | 16 | |
|---|---|---|
| Households (2011) | 8 | |
| 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 | |
| Census output area (2021) | W00003743 | |
| Census output area (2011) | 1A1 | |
| Lower layer super output area (2021) | Carmarthenshire 012C | W01000696 | 
| Lower layer super output area (2011) | Carmarthenshire 012C | W01000696 | 
| Middle layer super output area (2021) | Llanddarog, Llangyndeyrn & Ferryside | W02000153 | 
| Middle layer super output area (2011) | Llanddarog, Llangyndeyrn & Ferryside | W02000153 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Mountain Gate, Mynyddcerrig | Detached (freehold) | May 2024 | £248,000 | 
| Bryn Tawel, Mynyddcerrig | Other (freehold) | Jul 2022 | £252,500 | 
| Long Acre, Mynyddcerrig | Detached (freehold) | Jun 2019 | £367,500 | 
| Detached (freehold) | Apr 2013 | £240,000 | |
| Detached (freehold) | Oct 2009 | £242,000 | |
| Ty Canol, Mynyddcerrig | Detached (freehold) | Mar 2018 | £248,500 | 
| Detached (freehold) | Aug 2012 | £232,500 | |
| Detached (freehold) | Oct 2006 | £230,000 | |
| Detached (freehold) | Jun 2003 | £170,000 | |
| Blaen Y Waun, Mynyddcerrig | Detached (freehold) | Jan 2018 | £347,500 |