Union Street - CF45 3NY
Key Street Insights
Union Street is a residential street with 11 addresses.
It ranks as the 148th largest and most expensive of the 528 streets in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 11 properties: 11 houses.
- Ave. Sale Price
- £59,476
- 10 Year change
- up 81.7%
- Ave. Rental Price
- £441pcm
- 10 Year change
- up 78.0%
- Ave. £ per ft²
- £96/ft²
- Ave. Gross Yield
- 8.9%/year/yr
Key Street Insights
Union Street is a residential street with 11 addresses.
It ranks as the 148th largest and most expensive of the 528 streets in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 11 properties: 11 houses.
- Ave. Sale Price
- £59,476
- 10 Year change
- up 81.7%
- Ave. Rental Price
- £441pcm
- 10 Year change
- up 78.0%
- Ave. £ per ft²
- £96/ft²
- Ave. Gross Yield
- 8.9%/year/yr
Explore Propertieson Union Street, Mountain Ash, CF45
- Ty Bryn
House
- Woodbine Cottage
House
- 5 Union Street
House
- 7 Union Street
3 Bed Period House
- 8 Union Street
3 Bed Period House
Sales Market Trends
The last sale on Union Street sold for £90,000 on 24th October 2025. Since then prices are up an average of 86.2%.
The current average value in the street is £59,476.
The Union Street Sales Market has increased by 81.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4.2% | £59,476 |
| June 2025 | 6% | £57,052 |
| June 2024 | 2.2% | £53,820 |
| June 2023 | 0.1% | £52,639 |
| June 2022 | 17.9% | £52,589 |
| June 2021 | 13.4% | £44,602 |
| June 2020 | 7.3% | £39,319 |
| June 2019 | 5.5% | £36,644 |
| June 2018 | 3% | £34,729 |
| June 2017 | 3% | £33,722 |
| June 2016 | 3.4% | £32,739 |
| June 2015 | 2.7% | £31,653 |
| June 2014 | 2.9% | £30,809 |
| June 2013 | -2.3% | £29,948 |
| June 2012 | -2.6% | £30,653 |
| June 2011 | -1.4% | £31,471 |
| June 2010 | 0.9% | £31,927 |
| June 2009 | -11.3% | £31,649 |
| June 2008 | -2.6% | £35,686 |
| June 2007 | 0% | £36,650 |
Rental Market Trends
The current average rental value in the street is £441.
The Union Street Rental Market has increased by 78.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.3% | £441pcm |
| June 2025 | 5.2% | £427pcm |
| June 2024 | 6.7% | £406pcm |
| June 2023 | 9.1% | £380pcm |
| June 2022 | 13.9% | £349pcm |
| June 2021 | 9.7% | £306pcm |
| June 2020 | 4.2% | £279pcm |
| June 2019 | 2.8% | £268pcm |
| June 2018 | 3.2% | £260pcm |
| June 2017 | 1.8% | £252pcm |
| June 2016 | 4.4% | £248pcm |
| June 2015 | 1.4% | £237pcm |
| June 2014 | 1.2% | £234pcm |
| June 2013 | -0.5% | £232pcm |
| June 2012 | -0.8% | £233pcm |
| June 2011 | 2.3% | £235pcm |
| June 2010 | 1.5% | £229pcm |
| June 2009 | -5.1% | £226pcm |
| June 2008 | -1% | £238pcm |
| June 2007 | 0% | £240pcm |
Sales History
The last sale was on 24th October 2025 for £90,000 and since then the market in the area has increased by 86.2%. The street has had a total of 16 sales since 1995.
Union Street, Mountain Ash, CF45 has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Oct 2025£90,000 | 3 Bed House9, Union Street, Mountain Ash, CF45 3NY9, Union Street, Mountain Ash, CF45 3NY
- Sold Nov 2021£59,000 | 3 Bed House10, Union Street, Mountain Ash, CF45 3NY10, Union Street, Mountain Ash, CF45 3NY
- Sold Oct 2019£43,750 | 3 Bed House8, Union Street, Mountain Ash, CF45 3NY8, Union Street, Mountain Ash, CF45 3NY
- Sold Dec 2017£34,000 | 3 Bed House12, Union Street, Mountain Ash, CF45 3NY12, Union Street, Mountain Ash, CF45 3NY
- Sold Oct 2015£27,500 | 2 Bed House13, Union Street, Mountain Ash, CF45 3NY13, Union Street, Mountain Ash, CF45 3NY
Top 3 Most Expensive Sales
- Sold Oct 2025£90,000 | 3 Bed House9, Union Street, Mountain Ash, CF45 3NY9, Union Street, Mountain Ash, CF45 3NY
- Sold Oct 2007£75,000 | 3 Bed House11, Union Street, Mountain Ash, CF45 3NY11, Union Street, Mountain Ash, CF45 3NY
- Sold Feb 2006£61,000 | 2 Bed House13, Union Street, Mountain Ash, CF45 3NY13, Union Street, Mountain Ash, CF45 3NY
Nearby Streets
Union Street, Mountain Ash, CF45 is the 148th largest and the most expensive street in the CF45 area.
- Pryce Street, Mountain Ash, CF4519 Addresses|42 m away
- Commercial Street, Mountain Ash, CF4531 Addresses|81 m away
- Graig Street, Mountain Ash, CF4511 Addresses|89 m away
- Chancery Lane, Mountain Ash, CF4511 Addresses|100 m away
- Fountain Street, Mountain Ash, CF456 Addresses|119 m away
- Duffryn Street, Mountain Ash, CF4593 Addresses|132 m away
Property Types
- 7 period houses built between 1800 and 1911
- 1 house of an unknown age
- 3 other addresses of unknown type
- period house (7)
- house (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 7 properties.
- The most common rating is D.
- A (0)
- E (0)
- B (0)
- F (0)
- C (3)
- G (0)
- D (4)
- No EPC (4)
Schools Nearby
Public Transport Nearby
The closest station to Union Street, Mountain Ash, CF45 - CF45 3NY is Mountain Ash station, which is 400 metres away.
- Mountain Ash|400 m away
- Fernhill|1.1 km away
- Penrhiwceiber|2.1 km away
