Key Street Insights
Trethomas is a residential street with 20 addresses.
It ranks as the 515th largest and 497th most expensive of the 1,141 streets in the CF83 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 20 properties: 19 houses and 1 flat.
- Ave. Sale Price
- £230,022
- 10 Year change
- up 60.9%
- Ave. Rental Price
- £1,394pcm
- 10 Year change
- up 66.0%
- Ave. £ per ft²
- £177/ft²
- Ave. Gross Yield
- 7.3%/year/yr
Key Street Insights
Trethomas is a residential street with 20 addresses.
It ranks as the 515th largest and 497th most expensive of the 1,141 streets in the CF83 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 20 properties: 19 houses and 1 flat.
- Ave. Sale Price
- £230,022
- 10 Year change
- up 60.9%
- Ave. Rental Price
- £1,394pcm
- 10 Year change
- up 66.0%
- Ave. £ per ft²
- £177/ft²
- Ave. Gross Yield
- 7.3%/year/yr
Explore Propertieson Trethomas, Caerphilly, CF83
- 1 Tyn-Y-Wern Villas Caerphilly
5 Bed Early-century House
- 2 Central Houses Caerphilly
3 Bed Period House
- 3 Central Houses Caerphilly
3 Bed Period House
Sales Market Trends
The last sale on Trethomas sold for £205,000 on 10th April 2026. Since then prices are up an average of 0.8%.
The current average value in the street is £230,022.
The Trethomas Sales Market has increased by 60.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.6% | £230,022 |
| June 2025 | 3.9% | £226,476 |
| June 2024 | 3.6% | £218,035 |
| June 2023 | 1.6% | £210,412 |
| June 2022 | 12.8% | £207,045 |
| June 2021 | 9.2% | £183,477 |
| June 2020 | 3.8% | £168,001 |
| June 2019 | 2.8% | £161,848 |
| June 2018 | 5.6% | £157,405 |
| June 2017 | 4.2% | £148,997 |
| June 2016 | 2.1% | £142,997 |
| June 2015 | 3.2% | £140,064 |
| June 2014 | 6.9% | £135,676 |
| June 2013 | -0.3% | £126,873 |
| June 2012 | -0.1% | £127,289 |
| June 2011 | 0% | £127,443 |
| June 2010 | 4.9% | £127,442 |
| June 2009 | -12.7% | £121,449 |
| June 2008 | -2.1% | £139,181 |
| June 2007 | 0% | £142,223 |
Rental Market Trends
The current average rental value in the street is £1,394.
The Trethomas Rental Market has increased by 66.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.1% | £1,394pcm |
| June 2025 | 4.3% | £1,365pcm |
| June 2024 | 6.5% | £1,309pcm |
| June 2023 | 9.9% | £1,229pcm |
| June 2022 | 12.5% | £1,119pcm |
| June 2021 | 7.7% | £994pcm |
| June 2020 | 3.6% | £923pcm |
| June 2019 | 1.6% | £891pcm |
| June 2018 | 2.4% | £877pcm |
| June 2017 | 2% | £857pcm |
| June 2016 | 3.2% | £840pcm |
| June 2015 | 1.8% | £813pcm |
| June 2014 | 1.7% | £799pcm |
| June 2013 | 0.2% | £786pcm |
| June 2012 | 0.1% | £784pcm |
| June 2011 | 2.4% | £784pcm |
| June 2010 | 3.1% | £766pcm |
| June 2009 | -3.6% | £743pcm |
| June 2008 | -0.3% | £770pcm |
| June 2007 | 0% | £773pcm |
Sales History
The last sale was on 10th April 2026 for £205,000 and since then the market in the area has increased by 0.8%. The street has had a total of 24 sales since 1995.
Trethomas, Caerphilly, CF83 has seen 2 sales in the last three years and 2 sales in the last twelve months.
- Sold Apr 2026£205,000 | 3 Bed House2 Central Houses, Caerphilly, CF83 8BS2 Central Houses, Caerphilly, CF83 8BS
- Sold Aug 2025£215,000 | 4 Bed House6 Ystrad Buildings, Caerphilly, CF83 8BT6 Ystrad Buildings, Caerphilly, CF83 8BT
- Sold Dec 2021£162,000 | 4 Bed House3 Ystrad Buildings, Caerphilly, CF83 8BT3 Ystrad Buildings, Caerphilly, CF83 8BT
- Sold Jun 2021£150,000 | 3 Bed House3 Central Houses, Caerphilly, CF83 8BS3 Central Houses, Caerphilly, CF83 8BS
- Sold Feb 2020£145,000 | 3 Bed House2 Central Houses, Caerphilly, CF83 8BS2 Central Houses, Caerphilly, CF83 8BS
Top 3 Most Expensive Sales
- Sold Aug 2025£215,000 | 4 Bed House6 Ystrad Buildings, Caerphilly, CF83 8BT6 Ystrad Buildings, Caerphilly, CF83 8BT
- Sold Apr 2026£205,000 | 3 Bed House2 Central Houses, Caerphilly, CF83 8BS2 Central Houses, Caerphilly, CF83 8BS
- Sold Oct 2018£167,950 | 3 Bed House8 Central Houses, Caerphilly, CF83 8BS8 Central Houses, Caerphilly, CF83 8BS
Nearby Streets
Trethomas, Caerphilly, CF83 is the 515th largest and the 497th most expensive street in the CF83 area.
- St. Margarets Close, Trethomas, Caerphilly, CF8316 Addresses|61 m away
- The Avenue, Trethomas, Caerphilly, CF8320 Addresses|65 m away
- Greenacre Gardens, Trethomas, Caerphilly, CF834 Addresses|93 m away
- Heol Yr Ysgol, Trethomas, Caerphilly, CF838 Addresses|102 m away
- Newport Road, Trethomas, Caerphilly, CF8385 Addresses|116 m away
- Pantglas View, Trethomas, Caerphilly, CF8310 Addresses|121 m away
Sections of this street
There are 4 postcodes on Trethomas, Caerphilly, CF83.
- House prices in CF83 8BS8 Addresses
- House prices in CF83 8FQ4 Addresses
- House prices in CF83 8BT7 Addresses
- House prices in CF83 8FN1 Addresses
Property Types
- 9 period houses built between 1800 and 1911
- 1 period flat built between 1800 and 1911
- 1 house of an unknown age
- 2 early-century houses built between 1912 and 1935
- 7 other addresses of unknown type
- period house (9)
- period flat (1)
- house (1)
- early-century house (2)
- Unknown (7)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 12 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (2)
- G (0)
- D (8)
- No EPC (8)
Schools Nearby
Public Transport Nearby
The closest station to Trethomas, Caerphilly, CF83 is Energlyn & Churchill Park station, which is 3.5 kilometres away.
- Energlyn & Churchill Park|3.5 km away
- Llanbradach|3.6 km away
- Caerphilly|3.6 km away
