| Postcode | SA20 0NX | 
|---|---|
| Post Town | Llandovery | 
| Nearest station | Llandovery (4 km) | 
| Bus stops | Post Office (SE) | 
| Number of UPRNs | 21 View | 
| Known addresses | Brynheulog, Myddfai Delglyn, Myddfai Ger Y Lan, Myddfai Holly Bush, Myddfai Myrtle Cottage, Myddfai The Manse, Myddfai Ty'r Graig, Myddfai 3 Dolwerdd, Myddfai 4 Dolwerdd, Myddfai | 
| Main property type | Terraced | 
| Businesses | 
                        No businesses found
                     | 
| Latitude | 51.956208 | |
|---|---|---|
| Longitude | -3.787259 | |
| Easting | 277282 | |
| Northing | 230145 | |
| Grid reference | SN772301 | |
| UTM reference | 30U 445901 5756460 | |
| what3words | shredder.snipe.moons | |
| FixPhrase | crisping lunchbox spill traverse | |
| Plus code | 9C3RX647+F3 | |
| Altitude | 116 metres (380 feet) | |
| Sunrise (today) | 7:09 | |
| Sunset (today) | 16:50 | |
| Distance away | ||
| Distance to sea | 33.5 KMs (20.8 miles) | 
| Parish | Myddfai | W04000548 | |
|---|---|---|---|
| Ward | Llangadog | W05001208 | |
| 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 | ||
| National park | Brecon Beacons National Park | W18000001 | |
| 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) | 23 | |
|---|---|---|
| Households (2011) | 14 | |
| 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) | W00003699 | |
| Census output area (2011) | 1C1 | |
| Lower layer super output area (2021) | Carmarthenshire 004C | W01000687 | 
| Lower layer super output area (2011) | Carmarthenshire 004C | W01000687 | 
| Middle layer super output area (2021) | Llandeilo, Llangadog & Maenordeilo | W02000145 | 
| Middle layer super output area (2011) | Llandeilo, Llangadog & Maenordeilo | W02000145 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| Holly Bush, Myddfai | Detached (freehold) | Oct 2024 | £229,250 | 
| Myrtle Cottage, Myddfai | Terraced (freehold) | Jun 2021 | £162,000 | 
| Terraced (freehold) | Feb 2011 | £159,000 | |
| Terraced (freehold) | Feb 2003 | £78,000 | |
| Terraced (freehold) | Jul 2001 | £50,000 | |
| Delglyn, Myddfai | Terraced (freehold) | Feb 2021 | £340,000 | 
| The Manse, Myddfai | Terraced (freehold) | Oct 2019 | £185,000 | 
| Brynheulog, Myddfai | Terraced (freehold) | Apr 2015 | £70,000 | 
| Ty'r Graig, Myddfai | Terraced (freehold) | Apr 2014 | £169,000 | 
| 3 Dolwerdd, Myddfai | Semi-detached (freehold) | Oct 2012 | £175,000 | 
| Semi-detached (freehold) | May 2004 | £128,500 | |
| Detached (freehold) | Jul 2000 | £59,750 | |
| Ger Y Lan, Myddfai | Semi-detached (freehold) | Feb 2004 | £93,000 | 
| 4 Dolwerdd, Myddfai | New build detached (freehold) | Apr 2003 | £38,430 |