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Neighbourhood · Carmarthenshire

Swiss Valley & Llangennech: house prices and how the area is changing

Official figures for the Swiss Valley & Llangennech neighbourhood of Carmarthenshire, Wales (ONS area Carmarthenshire 019). Headline figures assembled 3 October 2026. Additional local information checked 13 October 2026. Postcodes SA14, SA4. Figures that read a point use the neighbourhood's centre, near SA14 8BJ.

A middle-income neighbourhood, showing clear signs of gentrification

Swiss Valley & Llangennech is a middle-income neighbourhood; it shows clear signs of gentrification against Carmarthenshire (3 of 17 signals rising, 1 falling). Houses here typically resell for £199,995 (median resale price, 2023-2025). The nearest railway station, Llangennech, is 2.3 km from the neighbourhood's centre.

The neighbourhood in brief, from the figures on this page. Summary updated 13 October 2026; source dates are shown below.

Typical house price

£199,995

Median resale price of houses in the neighbourhood, 2023-2025; +50% against 2017-2019.

Source: HM Land Registry Price Paid Data

Affluence today

Middle income

How well off the neighbourhood is now, from household income, home prices and deprivation.

Source: ONS, HM Land Registry, MHCLG Indices of Deprivation

Signs of gentrification

Clear signs

Weighted balance +0.23; 3 of 17 signals up, 1 down, against the borough.

Source: Official statistics on prices, incomes, benefits, businesses, schools and more (a full report shows every signal)

Average household income

£46,500

ONS estimate for the neighbourhood (modelled, with a margin of error).

Source: Office for National Statistics

Where Swiss Valley & Llangennech sits in Carmarthenshire

  • Typical house price: 11th highest of 25 neighbourhoods in Carmarthenshire
  • Average household income: 3rd highest of 25 neighbourhoods in Carmarthenshire

Ranked among the council's neighbourhoods by the figures on each one's own page, checked 13 October 2026: typical prices are HM Land Registry resale medians over the latest three-year window, household income the ONS's modelled estimate, with a margin of error, so neighbourhoods a place or two apart may not really differ.

Prices over time in Swiss Valley & Llangennech

House prices: Swiss Valley & Llangennech against Carmarthenshire: This neighbourhood £41k (1995) to £233k (2026); Carmarthenshire £37k (1995) to £200k (2026).£62k£207k2026202120162011200620011995This neighbourhood£233kCarmarthenshire£200k
Median resale price of houses each year here and across Carmarthenshire, 1995 to 2026 (HM Land Registry Price Paid Data: standard sales, new builds left out). Years with fewer than 10 sales here are left out. 2026 is the year so far (dashed).

Source: HM Land Registry Price Paid Data, held locally and checked 13 October 2026. Medians each year, not a valuation of any home.

How the area is changing, signal by signal

3 of 17 counted signals point towards rising affluence against Carmarthenshire, 1 the other way and 13 in line. A reading of official statistics against the borough, not a prediction; a full report shows every signal's figures and weight. Where this reading sits among every neighbourhood in England and Wales: the gentrification league table.

Rising against the borough

  • Resale prices
  • Homes selling
  • Benefit claims (DWP)

Falling behind the borough

  • Air quality

Stations nearby

Nearest station

  • Llangennech Railway station, 2.3 km from the neighbourhood's centre in a straight line. About 0.7 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Swansea (about 39 min).

Station locations: NaPTAN (Department for Transport). Trains: Network Rail's timetable for Tuesday 6 October 2026, with the timetabled minutes of direct trains; timetabled, not live running. Distances from the neighbourhood's centre in a straight line, walked at 4.8 km/h; the real route is longer.

Questions about Swiss Valley & Llangennech

What is the typical house price in Swiss Valley & Llangennech?

£199,995. Median resale price of houses in the neighbourhood, 2023-2025; +50% against 2017-2019.

How does Swiss Valley & Llangennech compare with the rest of Carmarthenshire?

Typical house price: 11th highest of 25 neighbourhoods in Carmarthenshire. Average household income: 3rd highest of 25 neighbourhoods in Carmarthenshire.

Is Swiss Valley & Llangennech an affluent area?

Middle income. How well off the neighbourhood is now, from household income, home prices and deprivation.

Is Swiss Valley & Llangennech gentrifying?

Clear signs. Weighted balance +0.23; 3 of 17 signals up, 1 down, against the borough.

What is the nearest station to Swiss Valley & Llangennech?

Llangennech. Railway station, 2.3 km from the neighbourhood's centre in a straight line. About 0.7 trains an hour leave between 07:00 and 19:00 on a weekday: Transport for Wales to Swansea (about 39 min).

Each answer repeats a figure shown above, with its source there.

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Neighbourhood 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. Contains public sector information (MHCLG, Police.uk, Ofsted, Department for Education) licensed under the Open Government Licence v3.0. Station locations from NaPTAN (Department for Transport), Open Government Licence v3.0. Trains: contains information of Network Rail Infrastructure Limited licensed under the Open Government Licence v3.0. Figures describe the area, not any home, and are not a valuation or a prediction.