House prices in Mountain Ash
Median value — June 2026
£148,686
Modelled from 1 property Stede tracks in Mountain Ash
Market snapshot
£148,686
Median value
£148,686
Average value
0
Sales in the last 12 months
+6%
Change over the past year
Value over time
- Modelled value
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £36,737 |
| 2001 | £38,206 |
| 2002 | £49,715 |
| 2003 | £64,903 |
| 2004 | £89,161 |
| 2005 | £94,265 |
| 2006 | £100,669 |
| 2007 | £105,155 |
| 2008 | £96,942 |
| 2009 | £95,675 |
| 2010 | £94,826 |
| 2011 | £96,720 |
| 2012 | £93,865 |
| 2013 | £90,884 |
| 2014 | £96,426 |
| 2015 | £96,298 |
| 2016 | £102,429 |
| 2017 | £105,574 |
| 2018 | £107,408 |
| 2019 | £114,103 |
| 2020 | £121,817 |
| 2021 | £131,101 |
| 2022 | £145,770 |
| 2023 | £146,313 |
| 2024 | £140,345 |
| 2025 | £142,486 |
| 2026 | £148,686 |
Property types
- Semi-detached house100%£148,686
Areas and streets in Mountain Ash
About this area
Mountain Ash, in Gwynedd, is a town. Stede can model 1 property there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of June 2026, Mountain Ash has a median estimated value of £148,686 and an average of £148,686.
Modelled values in Mountain Ash are +6% over the past year and +16% over five years.
The market here is mostly semi-detached houses, which make up 100% of the properties Stede tracks in Mountain Ash.
Common questions
What is the average house price in Mountain Ash?
As of June 2026, the average estimated value is £148,686 and the median is £148,686 across 1 properties Stede tracks in Mountain Ash. This is not a formal market valuation.
Are house prices in Mountain Ash going up or down?
Modelled values in Mountain Ash are +6% over the past year and +16% over five years, based on the UK House Price Index.
What types of property are in Mountain Ash?
100% of the properties Stede tracks in Mountain Ash are semi-detached houses.
How many properties are in Mountain Ash?
Stede can model 1 property in Mountain Ash, with 0 recorded sales in the past 12 months.
How does Stede calculate house prices for Mountain Ash?
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 →