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House prices in Johnstown

Median value — November 2026

£249,000

Modelled from 577 properties Stede tracks in Johnstown

Market snapshot

£249,000

Median value

£252,463

Average value

27

Sales in the last 12 months

+1%

Change over the past year

Value over time

  • Modelled value
  • Projected
£0£100k£200k£300k20002002200420062008201020122014201620182020202220242026

Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled value
2000£58,235
2001£65,012
2002£81,720
2003£106,771
2004£141,417
2005£150,839
2006£168,100
2007£178,587
2008£152,541
2009£154,917
2010£150,962
2011£147,375
2012£139,067
2013£144,095
2014£151,687
2015£153,783
2016£160,963
2017£169,534
2018£174,657
2019£183,549
2020£198,782
2021£218,857
2022£251,059
2023£238,781
2024£244,583
2025£248,292
2026£249,000

Property types

  • Detached house55%£278,000
  • Semi-detached house27%£238,000
  • Mid-terrace house16%£173,000
  • Flat / Maisonette2%£134,000
  • Property0%£382,000

Recent sales

Addresses in Johnstown

About this area

Johnstown, in Carmarthen, is a village. Stede can model 577 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.

As of November 2026, Johnstown has a median estimated value of £249,000 and an average of £252,463.

Modelled values in Johnstown are +1% over the past year and +12% over five years.

The market here is mostly detached houses, which make up 55% of the properties Stede tracks in Johnstown.

27 sales were recorded in Johnstown over the past 12 months.

Common questions

What is the average house price in Johnstown?

As of November 2026, the average estimated value is £252,463 and the median is £249,000 across 577 properties Stede tracks in Johnstown. This is not a formal market valuation.

Are house prices in Johnstown going up or down?

Modelled values in Johnstown are +1% over the past year and +12% over five years, based on the UK House Price Index.

What types of property are in Johnstown?

55% of the properties Stede tracks in Johnstown are detached houses. semi-detached houses are next most common, at 27%.

How many properties are in Johnstown?

Stede can model 577 properties in Johnstown, with 27 recorded sales in the past 12 months.

How does Stede calculate house prices for Johnstown?

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.

How we calculate this

These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.

Read the full methodology and data sources →