| Postcode | SA3 1AU | 
|---|---|
| Post Town | Swansea | 
| Nearest station | Llanelli (11 km) | 
| Bus stops | Old Vicarage (S) | 
| Roads in this postcode | |
| Number of UPRNs | 29 View | 
| Known addresses | Lake Farm, Llandewi Llandewi Castle Farm House, Llandewi Llandewi Villa, Llandewi The Lanches, Llandewi 1 St Davids View, Llandewi 2 St Davids View, Llandewi 3 St Davids View, Llandewi | 
| Main property type | Detached | 
| Businesses | 
| Latitude | 51.580099 | |
|---|---|---|
| Longitude | -4.223111 | |
| Easting | 246059 | |
| Northing | 189147 | |
| Grid reference | SS460891 | |
| UTM reference | 30U 415250 5715046 | |
| what3words | shook.chatters.memo | |
| FixPhrase | cringing lumpiness stream tile | |
| Plus code | 9C3QHQJG+2Q | |
| Altitude | 51 metres (166 feet) | |
| Sunrise (today) | 7:10 | |
| Sunset (today) | 16:53 | |
| Distance away | ||
| Distance to sea | 4 KMs (2.5 miles) | 
| Parish | Port Eynon | W04000591 | 
|---|---|---|
| Ward | Gower | W05001048 | 
| Unitary Authority | Swansea | W06000011 | 
| County | West Glamorgan | W11000008 | 
| Constituency (2024) | Gower | W07000097 | 
| MP | Tonia Antoniazzi | Labour | 
| Police force | South Wales | |
| Water company | Dwr Cymru Welsh Water | |
| NUTS/ITL 3 | Swansea | |
| 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) | 30 | |
|---|---|---|
| Households (2011) | 10 | |
| 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 | |
| Census output area (2021) | W00004168 | |
| Census output area (2011) | 1B3 | |
| Lower layer super output area (2021) | Swansea 030A | W01000775 | 
| Lower layer super output area (2011) | Swansea 030A | W01000775 | 
| Middle layer super output area (2021) | West Gower | W02000197 | 
| Middle layer super output area (2011) | West Gower | W02000197 | 
| Travel to work area | Swansea | W22000032 | 
| Average property price in Swansea | £199,131 | 
|---|---|
| Annual change | 2.4% | 
| Address | Type | Date | Price | 
|---|---|---|---|
| 2 St Davids View, Llandewi | Semi-detached (freehold) | May 2022 | £775,000 | 
| Semi-detached (freehold) | Nov 2018 | £540,000 | |
| New build semi-detached (freehold) | Aug 1998 | £65,000 | |
| 1 St Davids View, Llandewi | Semi-detached (freehold) | Dec 2020 | £474,175 | 
| Semi-detached (freehold) | Aug 2012 | £380,000 | |
| Semi-detached (freehold) | Sep 2000 | £83,000 | |
| New build semi-detached (freehold) | Sep 1998 | £65,000 | |
| Llandewi Castle Farm House, Llandewi | Detached (freehold) | Dec 2020 | £635,000 | 
| 3 St Davids View, Llandewi | Detached (freehold) | Aug 2017 | £510,000 | 
| Detached (freehold) | Mar 2012 | £510,000 | |
| New build detached (freehold) | Oct 1998 | £60,000 | |
| Lake Farm, Llandewi | Detached (freehold) | Aug 2013 | £628,000 | 
| The Lanches, Llandewi | Detached (freehold) | Jul 2003 | £163,000 | 
| Llandewi Villa, Llandewi | Detached (freehold) | Jun 2002 | £220,000 | 
| Detached (freehold) | Feb 2002 | £200,000 |