| Postcode | SA33 5LW | 
|---|---|
| Post Town | Carmarthen | 
| Nearest station | Ferryside (1 km) | 
| Bus stops | Llansteffan Tides Reach (NE) Llanstephan Bridge (SE) Llanstephan Bridge (NE) Church (NE) Church (W) | 
| Roads in this postcode | |
| Number of UPRNs | 80 View | 
| Known addresses | Arfon, Llansteffan Avondale, Llansteffan Beach House, Llansteffan Beachfront Cottage, Llansteffan Belle Vue, Llansteffan Brig Y Don, Llansteffan Bute Cottage, Llansteffan Croft House, Llansteffan Green Gables, Llansteffan Innisfree House, Llansteffan Ivy Cottage, Llansteffan Lanygorse, Llansteffan Maesgwyn, Llansteffan Oakdene, Llanstephan Pleasant View, Llansteffan Porthdy, Innisfree, Llansteffan Riverside, Llansteffan Swn Y Mor, Llansteffan The Old Bakery, Llansteffan The Saltings, Llansteffan Ty'r Ystrad, Llansteffan Waters Edge, Llansteffan Woodbine Cottage, Llansteffan Y Bwthyn Glanymor, Llansteffan 1 Innisfree Cottages, Llansteffan 2 Innisfree Cottages, Llansteffan 3 Innisfree Cottages, Llansteffan 3 Stratford Cottages, Llansteffan 4 Innisfree Cottages, Llansteffan 5 Innisfree Cottages, Llansteffan 5 Stratford Villas, Llansteffan 6 Innisfree Cottages, Llansteffan 7 Innisfree Cottages, Llansteffan 8 Innisfree Cottages, Llansteffan 9 Innisfree Cottages, Llansteffan 10 Innisfree, Llanstephan 11 Innisfree Cottages, Llansteffan 12 Innisfree Cottages, Llansteffan 14 Innisfree Cottages, Llansteffan 15 Innisfree Cottages, Llansteffan | 
| Main property type | Terraced | 
| Businesses | 
| Latitude | 51.770035 | |
|---|---|---|
| Longitude | -4.387384 | |
| Easting | 235369 | |
| Northing | 210626 | |
| Grid reference | SN353106 | |
| UTM reference | 30U 404270 5736371 | |
| what3words | cares.nylon.solo | |
| FixPhrase | crinkly luminous startling synthetic | |
| Plus code | 9C3QQJC7+22 | |
| Altitude | 6 metres (20 feet) | |
| Sunrise (today) | 7:11 | |
| Sunset (today) | 16:53 | |
| Distance away | ||
| Distance to sea | 0.2 KMs (0.1 miles) | 
| Parish | Llansteffan | W04000541 | 
|---|---|---|
| Ward | St Clears and Llansteffan | W05001221 | 
| 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 | 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) | 63 | |
|---|---|---|
| Households (2011) | 34 | |
| 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 village in a sparse setting | |
| Built up area (2024) | Llansteffan | W45000984 | 
| Census output area (2021) | W00003765 | |
| Census output area (2011) | 1B2 | |
| Lower layer super output area (2021) | Carmarthenshire 027G | W01000700 | 
| Lower layer super output area (2011) | Carmarthenshire 027G | W01000700 | 
| Middle layer super output area (2021) | Whitland, Laugharne & Llansteffan | W02000418 | 
| Middle layer super output area (2011) | Whitland, Laugharne & Llansteffan | W02000418 | 
| Travel to work area | Llanelli | W22000028 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 4 Innisfree Cottages, Llansteffan | Terraced (leasehold) | Oct 2024 | £221,000 | 
| Y Bwthyn Glanymor, Llansteffan | Detached (freehold) | Aug 2024 | £470,000 | 
| Detached (freehold) | Nov 2013 | £287,500 | |
| Beachfront Cottage, Llansteffan | Terraced (freehold) | Aug 2023 | £195,000 | 
| Terraced (freehold) | Dec 2021 | £250,000 | |
| Terraced (freehold) | Sep 2006 | £180,000 | |
| Terraced (freehold) | Apr 2001 | £52,000 | |
| Beach House, Llansteffan | Terraced (freehold) | Sep 2021 | £340,000 | 
| Terraced (freehold) | Apr 2012 | £242,500 | |
| Bute Cottage, Llansteffan | Semi-detached (freehold) | Sep 2021 | £500,000 | 
| Semi-detached (freehold) | Jul 2003 | £250,000 | |
| Semi-detached (freehold) | Sep 2002 | £90,000 | |
| Porthdy, Innisfree, Llansteffan | Other (leasehold) | Jul 2021 | £135,000 | 
| 6 Innisfree Cottages, Llansteffan | Terraced (leasehold) | Aug 2020 | £195,000 | 
| Terraced (leasehold) | Dec 1998 | £49,500 | |
| Terraced (leasehold) | Apr 1997 | £47,500 | |
| 9 Innisfree Cottages, Llansteffan | Other (leasehold) | Mar 2020 | £165,000 | 
| Flat (leasehold) | May 2008 | £153,000 | |
| 3 Innisfree Cottages, Llansteffan | Semi-detached (leasehold) | Feb 2019 | £180,000 | 
| Semi-detached (leasehold) | Mar 2007 | £163,000 | |
| 14 Innisfree Cottages, Llansteffan | Terraced (leasehold) | Jun 2018 | £112,000 |