| Postcode | SA31 3PW |
|---|---|
| Post Town | Carmarthen |
| Nearest station | Carmarthen (1 km) |
| Bus stops |
Cartref Cynnes (S)
Playing Fields (NW)
Llansteffan Road (SE)
Johnstown Depot (E)
Leisure Centre (NW)
Queen Elizabeth High School (SE)
|
| Roads in this postcode | |
| Number of UPRNs | 9 View |
| Known addresses |
2 Porth Y Plas, Johnstown
4 Porth Y Plas, Johnstown
5 Porth Y Plas, Johnstown
7 Porth Y Plas, Johnstown
8 Porth Y Plas, Johnstown
|
| Main property type | Detached |
| Businesses |
| Latitude | 51.847226 | |
|---|---|---|
| Longitude | -4.324735 | |
| Easting | 239965 | |
| Northing | 219070 | |
| Grid reference | SN399190 | |
| UTM reference | 30U 408748 5744876 | |
| what3words | served.notice.listed | |
| FixPhrase | crisped luminous smolder trickery | |
| Plus code | 9C3QRMWG+V4 | |
| Altitude | 12 metres (39 feet) | |
| Sunrise (today) | 8:02 | |
| Sunset (today) | 16:12 | |
| Distance away | ||
| Distance to sea | 3.5 KMs (2.1 miles) |
| Parish | Carmarthen | W04000494 |
|---|---|---|
| Ward | Carmarthen Town North and South | W05001183 |
| 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 | October 1987 |
|---|---|
| Last updated | November 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) | 13 | |
|---|---|---|
| Households (2011) | 8 | |
| 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) | Urban city and town in a sparse setting | |
| Built up area (2024) | Carmarthen | W45000937 |
| Census output area (2021) | W00003443 | |
| Census output area (2011) | 1C3 | |
| Lower layer super output area (2021) | Carmarthenshire 008B | W01000642 |
| Lower layer super output area (2011) | Carmarthenshire 008B | W01000642 |
| Middle layer super output area (2021) | Carmarthen South & Llangynnwr | W02000149 |
| Middle layer super output area (2011) | Carmarthen South & Llangynnwr | W02000149 |
| Travel to work area | Llanelli | W22000028 |
| Average property price in Swansea | £199,164 |
|---|---|
| Annual change | 2.0% |
| Address | Type | Date | Price |
|---|---|---|---|
| 5 Porth Y Plas, Johnstown | Detached (freehold) | Nov 2020 | £180,000 |
| Detached (freehold) | Sep 2011 | £160,000 | |
| 4 Porth Y Plas, Johnstown | Detached (freehold) | Nov 2018 | £172,500 |
| Detached (freehold) | Nov 2013 | £165,000 | |
| 7 Porth Y Plas, Johnstown | Detached (freehold) | May 2015 | £140,000 |
| Detached (freehold) | Oct 1997 | £56,000 | |
| 8 Porth Y Plas, Johnstown | Detached (freehold) | Oct 2014 | £141,950 |
| 2 Porth Y Plas, Johnstown | Detached (freehold) | Jul 2008 | £174,000 |
| Detached (freehold) | Nov 2003 | £143,000 | |
| Detached (freehold) | Sep 2001 | £86,000 | |
| Detached (freehold) | Jul 1996 | £67,000 |