| Postcode | SA15 4HP |
|---|---|
| Post Town | Llanelli |
| Nearest station | Llanelli (3 km) |
| Bus stops |
Lon-y-Dderwen (SW)
Danybanc (NE)
Danybanc (SW)
Llundain Fach (NE)
Post Office (SW)
Pentrepoeth Road Upper (NE)
|
| Roads in this postcode | |
| Number of UPRNs | 12 View |
| Known addresses |
4 Lon Y Dderwen, Llanelli
6 Lon Y Dderwen, Llanelli
12 Lon Y Dderwen, Llanelli
16 Lon Y Dderwen, Llanelli
18 Lon Y Dderwen, Llanelli
20 Lon Y Dderwen, Llanelli
|
| Main property type | Detached |
| Businesses |
| Latitude | 51.697489 | |
|---|---|---|
| Longitude | -4.156272 | |
| Easting | 251075 | |
| Northing | 202062 | |
| Grid reference | SN510020 | |
| UTM reference | 30U 420088 5728025 | |
| what3words | herb.minds.survey | |
| FixPhrase | crinkle lumping sushi uniformed | |
| Plus code | 9C3QMRWV+XF | |
| Altitude | 81 metres (267 feet) | |
| Sunrise (today) | 7:57 | |
| Sunset (today) | 18:06 | |
| Distance away | ||
| Distance to sea | 3.6 KMs (2.3 miles) |
| Parish | Llanelli Rural | W04000988 |
|---|---|---|
| Ward | Dafen and Felinfoel | W05001189 |
| 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 1993 |
|---|---|
| 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) | 32 | |
|---|---|---|
| Households (2011) | 10 | |
| 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 | |
| Census output area (2021) | W00003525 | |
| Census output area (2011) | 6B2 | |
| Lower layer super output area (2021) | Carmarthenshire 020C | W01000655 |
| Lower layer super output area (2011) | Carmarthenshire 020C | W01000655 |
| Middle layer super output area (2021) | Dafen & Felin-foel | W02000161 |
| Middle layer super output area (2011) | Dafen & Felin-foel | W02000161 |
| Travel to work area | Llanelli | W22000028 |
| Average property price in Swansea | £199,131 |
|---|---|
| Annual change | 2.4% |
| Address | Type | Date | Price |
|---|---|---|---|
| 12 Lon Y Dderwen, Llanelli | Detached (freehold) | Jun 2023 | £395,000 |
| 20 Lon Y Dderwen, Llanelli | Other (freehold) | Oct 2018 | £80,000 |
| 6 Lon Y Dderwen, Llanelli | Detached (freehold) | Dec 2004 | £240,000 |
| Detached (freehold) | Mar 2002 | £144,500 | |
| 18 Lon Y Dderwen, Llanelli | Detached (freehold) | Jan 2004 | £182,000 |
| 16 Lon Y Dderwen, Llanelli | Detached (freehold) | Aug 2002 | £160,000 |
| 4 Lon Y Dderwen, Llanelli | Detached (freehold) | Feb 1998 | £147,000 |