Cymru Wales / Mid Glamorgan / Merthyr Tydfil
Treharris£153,813
Average price, last 12 months
−9.5% in a year
Compare house prices
How do I compare house prices between areas?
The average house price in Treharris is £153,813 over the last 12 months. Over the past year prices fell 9.5%.
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Where is this area?
Boundary outlines for this location, using the same colours as the rest of the page.
What does each type of home cost?
Average sale price by property type over the last 12 months.
Detached
- £358,083
Semi-detached
- £188,245
Terraced
- £119,285
What kinds of homes sell in each area?
Share of last 12 months' sales by property type.
- Detached
- Semi-detached
- Terraced
- Flats
Treharris
Mostly terraced houses
16%
19%
64%
How do all the numbers compare?
Every measure side by side. The highest value in each row is highlighted.
Latest 12-month average
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
£153,813
Change over 1 year
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
−£16,196
Change over ~10 years
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
+£40,073
Homes sold (last 12 months)
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
60
Homes sold vs previous 12 months
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
−39
Number of postcodes
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
186
Households (Census 2021)
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
2,725
Household density
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
871 per sq mi · Very High
Population (Census 2021)
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
6,294
Population density
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
2,011 per sq mi · Very High
Green space per resident
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
33 m² per resident · more than 54% of areas
Green space share of area
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
2.6%
Public parks
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
3
Peak month
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
AUG 2026 · £495,000
Most common price band
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
£100k – £150k · 56.7%
Detached average
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
£358,083
Semi-detached average
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
£188,245
Terraced average
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
£119,285
Flats average
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
—
Detached share of sales
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
16.4%
Semi-detached share of sales
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
19.3%
Terraced share of sales
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
64.3%
Flats share of sales
Treharris
Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris
0.0%
| Metric | Treharris Cymru Wales / Mid Glamorgan / Merthyr Tydfil / Treharris |
|---|---|
| Latest 12-month average | £153,813 |
| Change over 1 year | −£16,196 |
| Change over ~10 years | +£40,073 |
| Homes sold (last 12 months) | 60 |
| Homes sold vs previous 12 months | −39 |
| Number of postcodes | 186 |
| Households (Census 2021) | 2,725 |
| Household density | 871 per sq mi · Very High |
| Population (Census 2021) | 6,294 |
| Population density | 2,011 per sq mi · Very High |
| Green space per resident | 33 m² per resident · more than 54% of areas |
| Green space share of area | 2.6% |
| Public parks | 3 |
| Peak month | AUG 2026 · £495,000 |
| Most common price band | £100k – £150k · 56.7% |
| Detached average | £358,083 |
| Semi-detached average | £188,245 |
| Terraced average | £119,285 |
| Flats average | — |
| Detached share of sales | 16.4% |
| Semi-detached share of sales | 19.3% |
| Terraced share of sales | 64.3% |
| Flats share of sales | 0.0% |
Sold prices from HM Land Registry. Households and population from Census 2021. Green space from OS Open Greenspace, not counting golf courses; Contains OS data © Crown copyright and database right 2026.
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What to check before you buyContains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.