Town Profile 1 postcode area
Mountain Ash
Rhondda Cynon Taff · 8,746 properties sold since 1995
Postcodes: CF45
Average Property Value
£119,261
↑ 2.5% YoY
£119,261
Average
£99,950
Median
£100
Lowest
£5.3M
Highest
Price Trend
£81k £129k
Property Types
Terraced 76%
Semi-Detached 14%
Detached 7%
Other 2%
Flat 1%
8,746 total sales across 5 property types
Market Summary
£75k
Lower Quartile
£100k
Median
£135k
Upper Quartile
Price Distribution £100 – £5.3M
Yearly Price History
| Year | Average | Median | Sales | Change |
|---|---|---|---|---|
| 2026 (YTD) | £136,797 | £124,000 | 85 | ↑ 6.4% |
| 2025 | £128,533 | £115,000 | 294 | ↑ 2.5% |
| 2024 | £125,459 | £110,000 | 297 | ↑ 13.0% |
| 2023 | £111,006 | £99,000 | 247 | ↓ 12.0% |
| 2022 | £126,167 | £105,000 | 340 | ↑ 2.8% |
| 2021 | £122,765 | £90,000 | 414 | ↑ 33.8% |
| 2020 | £91,736 | £75,000 | 284 | ↓ 20.3% |
| 2019 | £115,098 | £80,000 | 416 | ↑ 22.9% |
| 2018 | £93,635 | £75,000 | 347 | ↓ 4.3% |
| 2017 | £97,886 | £71,000 | 258 | ↑ 20.5% |
| 2016 | £81,232 | £70,000 | 265 | ↑ 5.6% |
| 2015 | £76,930 | £64,000 | 257 | — |
Postcode Areas in Mountain Ash
Mountain Ash covers 1 postcode district. Click any area for detailed property data, schools, crime stats, and demographics.
Useful guides
Source: HM Land Registry Price Paid Data · Crown copyright 2026 · Open Government Licence v3.0