| Postcode | SA14 7DE | 
|---|---|
| Post Town | Llanelli | 
| Nearest station | Llandybie (7 km) | 
| Bus stops | Play Area (W) Heol Treventy (SW) Heol Treventy (NE) Heol y Parc (N) Y Fron (E) Cefneithin Farm (SW) | 
| Roads in this postcode | |
| Number of UPRNs | 61 View | 
| Known addresses | 1 Heol Y Parc, Cefneithin 2 Heol Y Parc, Cefneithin 3 Heol Y Parc, Cefneithin 5 Heol Y Parc, Cefneithin 6 Heol Y Parc, Cefneithin 7 Heol Y Parc, Cefneithin 9 Heol Y Parc, Cefneithin 10 Heol Y Parc, Cefneithin 12 Heol Y Parc, Cefneithin 15 Heol Y Parc, Cefneithin 16 Heol Y Parc, Cefneithin 17 Heol Y Parc, Cefneithin 19 Heol Y Parc, Cefneithin 20 Heol Y Parc, Cefneithin 21 Heol Y Parc, Cefneithin 22 Heol Y Parc, Cefneithin 24 Heol Y Parc, Cefneithin 24A Heol Y Parc, Cefneithin 25 Heol Y Parc, Cefneithin 27 Heol Y Parc, Cefneithin 28 Heol Y Parc, Cefneithin 29 Heol Y Parc, Cefneithin 30 Heol Y Parc, Cefneithin 32 Heol Y Parc, Cefneithin 34 Heol Y Parc, Cefneithin 36 Heol Y Parc, Cefneithin 45 Heol Y Parc, Cefneithin 47 Heol Y Parc, Cefneithin 49 Heol Y Parc, Cefneithin 49A Heol Y Parc, Cefneithin 51 Heol Y Parc, Cefneithin 53 Heol Y Parc, Cefneithin | 
| Main property type | Semi-detached | 
| Businesses | 
| Latitude | 51.804449 | |
|---|---|---|
| Longitude | -4.100116 | |
| Easting | 255299 | |
| Northing | 213843 | |
| Grid reference | SN552138 | |
| UTM reference | 30U 424148 5739861 | |
| what3words | promote.overpower.declines | |
| FixPhrase | crisped lumping scarce unfitted | |
| Plus code | 9C3QRV3X+QX | |
| Altitude | 162 metres (530 feet) | |
| Sunrise (today) | 7:10 | |
| Sunset (today) | 16:52 | |
| Distance away | ||
| Distance to sea | 11.9 KMs (7.4 miles) | 
| Parish | Gorslas | W04000504 | 
|---|---|---|
| Ward | Gorslas | W05001195 | 
| 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) | 122 | |
|---|---|---|
| Households (2011) | 47 | |
| Index of Multiple Deprivation (2019) | Most deprivedLeast deprived | |
| Average household income (2020) | Lowest (£22,200)
                        Highest (£108,100)
                       | |
| Rural/urban (2021) | Urban: Nearer to a major town or city | |
| Rural/urban (2011) | Urban city and town | |
| Built up area (2024) | Cefneithin | W45000960 | 
| Census output area (2021) | W00003568 | |
| Census output area (2011) | 8A1 | |
| Lower layer super output area (2021) | Carmarthenshire 016B | W01000663 | 
| Lower layer super output area (2011) | Carmarthenshire 016B | W01000663 | 
| Middle layer super output area (2021) | Glyn & Pontyberem | W02000157 | 
| Middle layer super output area (2011) | Glyn & Pontyberem | W02000157 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 34 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Mar 2025 | £153,500 | 
| Semi-detached (freehold) | Dec 2021 | £162,000 | |
| 6 Heol Y Parc, Cefneithin | Terraced (freehold) | May 2024 | £77,500 | 
| Terraced (freehold) | Mar 1998 | £37,500 | |
| 15 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Feb 2024 | £150,000 | 
| 32 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Jan 2024 | £175,000 | 
| Semi-detached (freehold) | Feb 2018 | £124,000 | |
| Semi-detached (freehold) | Jul 2015 | £50,000 | |
| 1 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Sep 2022 | £148,000 | 
| 53 Heol Y Parc, Cefneithin | Terraced (freehold) | Dec 2021 | £135,000 | 
| Terraced (freehold) | Nov 2005 | £135,000 | |
| Terraced (freehold) | Mar 2003 | £81,000 | |
| 22 Heol Y Parc, Cefneithin | Detached (freehold) | Jul 2021 | £150,000 | 
| Detached (freehold) | Nov 1995 | £40,000 | |
| 2 Heol Y Parc, Cefneithin | Detached (freehold) | Mar 2021 | £215,000 | 
| 17 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Dec 2020 | £180,000 | 
| Semi-detached (freehold) | Apr 2016 | £110,500 | |
| Semi-detached (freehold) | Sep 2005 | £98,000 | |
| 5 Heol Y Parc, Cefneithin | Semi-detached (freehold) | Jul 2020 | £155,000 | 
| Semi-detached (freehold) | May 2010 | £117,000 | |
| Semi-detached (freehold) | Mar 2004 | £77,500 |