House prices in Trethomas
Median value — June 2026
£182,125
Modelled from 37 properties Stede tracks in Trethomas
Market snapshot
£182,125
Median value
£179,351
Average value
0
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 | £41,175 |
| 2001 | £43,349 |
| 2002 | £54,532 |
| 2003 | £70,175 |
| 2004 | £90,139 |
| 2005 | £98,518 |
| 2006 | £103,190 |
| 2007 | £108,026 |
| 2008 | £96,726 |
| 2009 | £95,063 |
| 2010 | £92,355 |
| 2011 | £97,522 |
| 2012 | £93,533 |
| 2013 | £95,001 |
| 2014 | £102,175 |
| 2015 | £104,186 |
| 2016 | £105,567 |
| 2017 | £113,458 |
| 2018 | £122,415 |
| 2019 | £124,619 |
| 2020 | £134,235 |
| 2021 | £150,930 |
| 2022 | £169,837 |
| 2023 | £167,583 |
| 2024 | £175,431 |
| 2025 | £177,429 |
| 2026 | £182,125 |
Property types
- Mid-terrace house59%£186,365
- Semi-detached house27%£214,446
- Flat / Maisonette11%£126,952
- Detached house3%£217,104
Recent sales
- 23 Mary Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8HN£18,900 · 1996£112,000
- 35 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA£46,500 · 1996£266,000
- 12 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DQ£32,000 · 1996£191,000
- Ty'n-Y-Wern Court, Flat 1, Heol Yr Ysgol, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FL£39,000 · 1995£161,000
- 58 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FX£7,500 · 1995£44,000
- 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA£23,000 · 1995£136,000
- 50 Coronation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DL£15,000 · 1995£86,000
- 37 The Bryn, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GP£36,000 · 1995£204,000
Addresses in Trethomas
- 1 Hazel Grove, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GU£40,000 · 1995£230,000
- 10 The Avenue, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8BW£30,000 · 1995£170,000
- 12 The Bryn, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GL£42,000 · 1995£236,000
- 12 Thomas Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DP£39,000 · 1995£221,000
- 12 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DQ£32,000 · 1996£191,000
- 16 Mary Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8HN£40,000 · 1995£224,000
- 18 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA£23,000 · 1995£136,000
- 18 Thomas Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DP£30,000 · 1995£168,000
- 2 Bevan Rise, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GQ£29,000 · 1995£166,000
- 22 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DQ£27,000 · 1995£149,000
- 23 Mary Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8HN£18,900 · 1996£112,000
- 23 The Bryn, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GL£32,500 · 1995£181,000
- 29 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DQ£36,000 · 1995£205,000
- 3 Coronation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DL£35,000 · 1995£196,000
- 32 Llanfabon Drive, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GW£18,000 · 1995£98,000
- 34 Coronation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DL£32,000 · 1995£182,000
- 35 Newport Road, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DA£46,500 · 1996£266,000
- 37 The Bryn, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8GP£36,000 · 1995£204,000
- 46 Thomas Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DP£39,000 · 1995£223,000
- 5 Navigation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DJ£39,000 · 1995£222,000
- 5 Ystrad Buildings, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8BT£36,000 · 1995£202,000
- 50 Coronation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DL£15,000 · 1995£86,000
- 50 Mary Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8HN£24,000 · 1995£140,000
- 58 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FX£7,500 · 1995£44,000
- 60 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FX£34,000 · 1995£193,000
- 7 Clos Pantglas, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8BX£41,500 · 1995£217,000
- 7 Standard Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DE£19,500 · 1995£109,000
- 78 William Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FX£34,000 · 1995£198,000
- 8 Clos Pantglas, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8BX£40,000 · 1995£225,000
- 8 Standard Villas, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DG£46,750 · 1995£268,000
- 9 Navigation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DJ£29,000 · 1995£166,000
- 92 James Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FY£31,000 · 1995£172,000
- Central Buildings, Flat 3, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8BU£54,500 · 1995£300,000
- Loxley Court, Flat 1, Navigation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DJ£33,000 · 1995£132,000
- Loxley Court, Flat 3, Navigation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DJ£30,000 · 1995£120,000
- Loxley Court, Flat 4, Navigation Street, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8DJ£30,600 · 1995£122,000
- Ty'n-Y-Wern Court, Flat 1, Heol Yr Ysgol, Trethomas, Caerphilly, Rhymney Valley, Mid Glamorgan, CF83 8FL£39,000 · 1995£161,000
About this area
Trethomas, in Caerphilly, is a village. Stede can model 37 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of June 2026, Trethomas has a median estimated value of £182,125 and an average of £179,351.
Modelled values in Trethomas are +6% over the past year and +27% over five years.
The market here is mostly mid-terrace houses, which make up 59% of the properties Stede tracks in Trethomas.
Common questions
What is the average house price in Trethomas?
As of June 2026, the average estimated value is £179,351 and the median is £182,125 across 37 properties Stede tracks in Trethomas. This is not a formal market valuation.
Are house prices in Trethomas going up or down?
Modelled values in Trethomas are +6% over the past year and +27% over five years, based on the UK House Price Index.
What types of property are in Trethomas?
59% of the properties Stede tracks in Trethomas are mid-terrace houses. semi-detached houses are next most common, at 27%.
How many properties are in Trethomas?
Stede can model 37 properties in Trethomas, with 0 recorded sales in the past 12 months.
How does Stede calculate house prices for Trethomas?
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 →