Mountain Ash - CF45
The average house price in Mountain Ash (CF45) was £143,975 in 2025, up 315% from £34,703 in 1995.
Over the last ten years, average prices have risen 99% (from £72,315 in 2015). The median sale price in 2025 was £125,000 across 197 sales. 8,004 transactions have been recorded in CF45 since 1995.
So far in 2026, 85 sales have been recorded at an average price of £144,917 (year to date).
2025 prices at a glance
| Property type | Average price | Median price | Sales |
|---|---|---|---|
| All types | £143,975 | £125,000 | 197 |
| Detached | £358,500 | £372,500 | 16 |
| Semi-detached | £168,982 | £160,998 | 30 |
| Terraced | £117,124 | £117,500 | 146 |
| Flats/maisonettes | £91,500 | £95,000 | 5 |
Price
Type
Average Price by Year
Median Price by Year
Transaction Volume by Year
Data source: UK Land Registry Price Paid Data. Inflation data: ONS CPI series D7BT. Real prices expressed in 2026 pounds.