Town Profile 1 postcode area
Treharris
Merthyr Tydfil · 6,956 properties sold since 1995
Postcodes: CF46
Average Property Value
£168,136
↓ 1.1% YoY
£168,136
Average
£135,000
Median
£2k
Lowest
£1.6M
Highest
Price Trend
£134k £179k
Property Types
Terraced 48%
Semi-Detached 29%
Detached 21%
Other 2%
Flat 0%
6,956 total sales across 5 property types
Market Summary
£95k
Lower Quartile
£135k
Median
£210k
Upper Quartile
Price Distribution £2k – £1.6M
Yearly Price History
| Year | Average | Median | Sales | Change |
|---|---|---|---|---|
| 2026 (YTD) | £92,333 | £105,000 | 3 | ↓ 48.3% |
| 2025 | £178,697 | £141,000 | 179 | ↓ 1.1% |
| 2024 | £180,660 | £140,000 | 211 | ↑ 8.2% |
| 2023 | £166,899 | £133,500 | 202 | ↓ 9.1% |
| 2022 | £183,630 | £145,000 | 258 | ↑ 17.0% |
| 2021 | £156,979 | £130,000 | 301 | ↑ 11.8% |
| 2020 | £140,359 | £120,000 | 169 | ↑ 10.6% |
| 2019 | £126,914 | £110,000 | 240 | ↑ 0.6% |
| 2018 | £126,109 | £112,500 | 196 | ↓ 8.0% |
| 2017 | £137,089 | £115,000 | 251 | ↑ 2.2% |
| 2016 | £134,166 | £122,500 | 265 | ↑ 3.8% |
| 2015 | £129,289 | £120,000 | 245 | — |
Postcode Areas in Treharris
Treharris 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