House Prices in Mountain Ash
£118,000
Median Average Sales Price
(last 12 months)
£128,343
Mean Average Sales Price
(last 12 months)
905
Total Sales
(last 12 months)
+4.3%
Median vs previous
12 months
House prices in Mountain Ash: market summary
Mountain Ash recorded 905 home sales in the last 12 months, at a median price of £118,000 and a mean of £128,343. Comparing the 12 months to August 2026 with the 12 months before, the median price rose by 4.3% (from £115,000 to £120,000). Terraced homes were the most common sale (78% of sales), and detached homes averaged £307,960 against £86,442 for flats. Of the areas with at least five sales, Cefn Pennar had the highest average price (£225,200) and Ynysboeth the lowest (£90,740).
Properties in Mountain Ash had a mean average selling price of £128,343 and a median of £118,000 over the last 12 months based on 905 sales.
Sales by Property Type
Average Price & # Sales (Last 12 Months)
Breakdown by Locality
Average Price & # Sales (last 12 months). Areas with enough sales link to their own page.
| Locality | Avg Price | # Sales |
|---|---|---|
| Mountain Ash Centre | £123,827 | 622 |
| Abercynon | £149,232 | 234 |
| Cefn Pennar | £225,200 | 5 |
| Penrhiwceiber | £101,567 | 44 |
| Ynysboeth | £90,740 | 24 |
Recent sales in Mountain Ash
The latest 20 sales registered with HM Land Registry. For sales near a particular address, use sold prices near me.
| Address | Date | Type | Price |
|---|---|---|---|
| 8, Mount Pleasant Cottages CF45 3AH | 20 Aug 2026 | Terraced | £73,500 |
| Ty Haulwen Abercynon, CF45 4EN | 18 Aug 2026 | Detached | £136,274 |
| 21, Mount Pleasant Terrace CF45 3AN | 14 Aug 2026 | Terraced | £117,500 |
| 20, Greenfield Terrace Cefn Pennar, CF45 4EB | 13 Aug 2026 | Terraced | £86,000 |
| Mountain Ash Library, Ynysmeurig Road Abercynon, CF45 4SU | 12 Aug 2026 | Other | £202,000 |
| 5, Halswell Street CF45 4YN | 7 Aug 2026 | Terraced | £78,000 |
| 4, Monmouth Street CF45 3NJ | 4 Aug 2026 | Terraced | £125,000 |
| 56, Herbert Street Abercynon, CF45 4RG | 31 Jul 2026 | Terraced | £65,000 |
| 14, Cynon Terrace Penrhiwceiber, CF45 3SU | 31 Jul 2026 | Terraced | £127,500 |
| Glynview, 1, Brook Street CF45 3AR | 31 Jul 2026 | Semi-detached | £170,000 |
| 3, Monmouth Street CF45 3NJ | 31 Jul 2026 | Terraced | £119,000 |
| 40, High Street CF45 3PE | 30 Jul 2026 | Terraced | £135,000 |
| 5, Mount Pleasant Place CF45 3DA | 24 Jul 2026 | Terraced | £99,950 |
| 36, Rowan Close CF45 4LH | 24 Jul 2026 | Flat/maisonette | £79,000 |
| 29, Rowan Close CF45 4LH | 23 Jul 2026 | Flat/maisonette | £68,000 |
| 11, Morgan Street CF45 3YN | 17 Jul 2026 | Terraced | £110,000 |
| 19, Ffordd Y Glowyr CF45 4FD | 17 Jul 2026 | Terraced | £166,000 |
| 71, Clarence Street CF45 3BD | 17 Jul 2026 | Terraced | £120,000 |
| 10, Trem Y Mynydd CF45 4FF | 17 Jul 2026 | Detached | £285,000 |
| 3, Morris Avenue CF45 3TW | 16 Jul 2026 | Terraced | £105,000 |
Nearby towns
- Treharris house prices 5 km · median £165,000
- Ferndale house prices 6 km · median £90,000
- Aberdare house prices 8 km · median £142,000
- Merthyr Tydfil house prices 8 km · median £130,000
- Tonypandy house prices 8 km · median £120,000
- Pentre house prices 8 km · median £115,000
Postcode districts
More house prices
Mountain Ash house prices: questions answered
What is the average house price in Mountain Ash?
Over the last 12 months the median sold price in Mountain Ash was £118,000 and the mean (average) was £128,343, based on 905 sales recorded by HM Land Registry (excluding 'other' sales such as commercial property).
Are house prices in Mountain Ash going up or down?
In the 12 months to August 2026 the median sold price in Mountain Ash was £120,000, up 4.3% on the previous 12 months (£115,000). Medians also move with the mix of homes sold, so treat short-term changes with care.
How much do different types of home cost in Mountain Ash?
Average sold prices in Mountain Ash over the last 12 months: detached £307,960 (44 sales), semi-detached £153,927 (128 sales), terraced £114,074 (707 sales), flats £86,442 (26 sales).
What are the most and least expensive areas of Mountain Ash?
Among areas of Mountain Ash with at least five sales in the last 12 months, Cefn Pennar had the highest average sold price (£225,200) and Ynysboeth the lowest (£90,740).
How many homes have sold in Mountain Ash recently?
905 homes sold in Mountain Ash in the last 12 months. The most common were terraced homes (78% of sales).
Figures are calculated from HM Land Registry Price Paid Data and exclude sales recorded as "other" property types. They are not valuations.