House prices in Treharris
Median value — June 2026
£228,539
Modelled from 1,161 properties Stede tracks in Treharris
Market snapshot
£228,539
Median value
£239,128
Average value
48
Sales in the last 12 months
+6%
Change over the past year
Value over time
- Modelled value
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £51,668 |
| 2001 | £54,397 |
| 2002 | £68,430 |
| 2003 | £88,059 |
| 2004 | £113,111 |
| 2005 | £123,625 |
| 2006 | £129,488 |
| 2007 | £135,556 |
| 2008 | £121,376 |
| 2009 | £119,290 |
| 2010 | £115,891 |
| 2011 | £122,375 |
| 2012 | £117,369 |
| 2013 | £119,212 |
| 2014 | £128,214 |
| 2015 | £130,738 |
| 2016 | £132,470 |
| 2017 | £142,373 |
| 2018 | £153,613 |
| 2019 | £156,378 |
| 2020 | £168,445 |
| 2021 | £189,394 |
| 2022 | £213,120 |
| 2023 | £210,291 |
| 2024 | £220,139 |
| 2025 | £222,646 |
| 2026 | £228,539 |
Property types
- Semi-detached house43%£236,360
- Mid-terrace house33%£163,457
- Detached house21%£347,680
- Property3%£229,783
- Flat / Maisonette0%£84,998
Areas and streets in Treharris
- StreetAbernant Cottages1 properties£187,532
- StreetAbernant Gardens1 properties£477,234
- StreetAshgrove Terrace39 properties£261,935
- StreetBeech Tree Way20 properties£253,822
- StreetBrooklands10 properties£226,110
- StreetBrooklands Cottages2 properties£179,600
- StreetBryncelyn48 properties£172,172
- StreetBrynteg1 properties£93,123
- StreetBwl Road7 properties£332,594
- StreetCae Llwyndu32 properties£350,058
- StreetCaer Gelynnen18 properties£398,828
- StreetCaerphilly Road19 properties£178,627
- StreetChurch Lane1 properties£141,259
- StreetClaremont Drive5 properties£289,509
- StreetClos Cae Pwll29 properties£324,448
- StreetClos Waun Ceffyl23 properties£298,301
- StreetCommercial Street20 properties£203,712
- StreetCwm Eithin2 properties£221,634
- StreetDonald Street11 properties£166,805
- StreetDynevor Terrace21 properties£164,934
- StreetEdwards Terrace1 properties£71,502
- StreetEfail Shingrig1 properties£228,415
- StreetEvan Street1 properties£104,165
- StreetFfos Close12 properties£226,061
- StreetFfos Y Cerridden49 properties£247,026
- StreetGreenhill Cottages1 properties£203,471
- StreetGwaun Llwyfen7 properties£356,782
- StreetHawthorn Road22 properties£260,612
- StreetHeol Bryn Fab13 properties£239,735
- StreetHeol Fawr55 properties£172,627
- StreetHeol Harry Lewis5 properties£392,848
- StreetHeol Isaf22 properties£240,216
- StreetHeol Llyswen4 properties£92,465
- StreetHeol Mabon6 properties£233,024
- StreetHeol Morien8 properties£221,435
- StreetHeol Tasker51 properties£232,549
- StreetHeol Uchaf12 properties£269,534
- StreetHigh Close25 properties£221,108
- StreetHigh Street87 properties£233,522
- StreetJohn Street1 properties£181,772
- StreetLan Y Parc5 properties£88,770
- StreetLlancaiach Cottages1 properties£542,557
- StreetLlancaiach View3 properties£262,960
- StreetLlanfabon Road14 properties£280,624
- StreetLlwyn Yr Eos18 properties£115,876
- StreetLlwyncelyn Terrace37 properties£196,189
- StreetLon Y Celyn35 properties£226,497
- StreetLon Y Dderwen12 properties£228,514
- StreetLon Y Llwyn9 properties£227,472
- StreetMaes Yr Onen8 properties£129,300
About this area
Treharris, in Caerphilly, is a town. Stede can model 1,161 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of June 2026, Treharris has a median estimated value of £228,539 and an average of £239,128.
Modelled values in Treharris are +6% over the past year and +27% over five years.
The market here is mostly semi-detached houses, which make up 43% of the properties Stede tracks in Treharris.
48 sales were recorded in Treharris over the past 12 months.
Common questions
What is the average house price in Treharris?
As of June 2026, the average estimated value is £239,128 and the median is £228,539 across 1,161 properties Stede tracks in Treharris. This is not a formal market valuation.
Are house prices in Treharris going up or down?
Modelled values in Treharris are +6% over the past year and +27% over five years, based on the UK House Price Index.
What types of property are in Treharris?
43% of the properties Stede tracks in Treharris are semi-detached houses. mid-terrace houses are next most common, at 33%.
How many properties are in Treharris?
Stede can model 1,161 properties in Treharris, with 48 recorded sales in the past 12 months.
How does Stede calculate house prices for Treharris?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →