
Detached
£337,500
126% above the Mountain Ash West average
7.9% of sales
The average house price in Mountain Ash West is £149,009, based on 51 homes sold in the 12 months to September 2026. Prices are up 25.3% (£30,110) on a year earlier.
Sold prices from HM Land Registry, not asking prices. How we calculate this
Average sold price by property type, and each type's share of recent sales.

£337,500
126% above the Mountain Ash West average
7.9% of sales

£163,541
10% above the Mountain Ash West average
19.1% of sales

£117,699
21% below the Mountain Ash West average
69.8% of sales

£100,500
33% below the Mountain Ash West average
3.2% of sales
House prices in Mountain Ash West are rising: up 25.3% (£30,110) over the past year. Over the past 10 years, prices are up 65.0% (£58,675).
+25.3%
+£30,110From £118,899 to £149,009
+65.0%
+£58,675From £90,334 to £149,009
9 key facts at a glance.
£206,666
51
Terraced houses
£100k - £150k
4,316
Population density is Very High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
1,945
Household density is Very High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
38 m² per resident
4.6% of the area · 2 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
101 crimes per 1,000 residents
Crime rate is Very High, on a scale from Very Low to Very High.
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
18th most expensive area of Rhondda Cynon Taf.
Compared with 39 areas
The highest recorded sale prices in Mountain Ash West, from HM Land Registry.
#1 Most expensive sale
£495,000
Sold October 2024
View house detailsMountain Ash West compared with the 6 nearest other areas in Rhondda Cynon Taf.
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There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyPrice information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:25 with the latest Land Registry data (September 2026). The Mountain Ash West dataset covers 119 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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