Postcode district
SA4: house prices and neighbourhoods
The SA4 postcode district (Carmarthenshire, Swansea): 1,150 live postcodes across 11 neighbourhoods, with official figures as of 3 October 2026.
Typical house price
£230,000
Median of 111 resales of existing houses in SA4, Aug 2025 to Aug 2026.
Source: HM Land Registry Price Paid Data
Neighbourhoods in SA4
| Neighbourhood | Council | Typical house | Typical flat | Affluence today | Signs of gentrification |
|---|---|---|---|---|---|
| Llan-non, Cross Hands & Pen-y-groes | Carmarthenshire | £175,000 | – | Middle income | Some signs |
| Swiss Valley & Llangennech | Carmarthenshire | £199,995 | – | Middle income | Clear signs |
| Yr Hendy & Tŷ-croes | Carmarthenshire | £188,000 | – | Middle income | Few signs |
| Clydach & Mawr | Swansea | £169,995 | – | Below average income | Few signs |
| Gorseinon | Swansea | £182,000 | £95,000 | Below average income | Few signs |
| Gowerton | Swansea | £200,000 | – | Middle income | Moving the other way |
| Llangyfelach & Tircoed | Swansea | £235,000 | – | Affluent | Mixed signs |
| Llanmorlais & Three Crosses | Swansea | £272,500 | – | Affluent | Clear signs |
| Loughor | Swansea | £204,000 | – | Middle income | Mixed signs |
| Pontarddulais | Swansea | £195,000 | – | Middle income | Some signs |
| West Gower | Swansea | £421,250 | – | Among the most affluent | Moving the other way |
Each neighbourhood's figures are the median resale prices of houses and flats, Affluence today and the gentrification indication from its own page.
Thinking of buying in SA4?
A full report covers flood risk, schools, crime, your commute, energy, planning and how the area is changing, for the exact home.
Prepare a full report for a home See a sample reportNeighbourhood names: House of Commons Library, MSOA Names, Open Parliament Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Contains National Statistics data © Crown copyright and database right 2026. Figures describe the area, not any home, and are not a valuation or a prediction.
