Union Street - SA31 3DE
Key Street Insights
Union Street is a residential street with 42 addresses.
It ranks as the 381st largest and 134th most expensive of the 496 streets in the SA31 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 42 properties: 28 houses and 14 flats.
- Ave. Sale Price
- £157,847
- 10 Year change
- up 42.1%
- Ave. Rental Price
- £951pcm
- 10 Year change
- up 61.8%
- Ave. £ per ft²
- £155/ft²
- Ave. Gross Yield
- 7.2%/year/yr
Key Street Insights
Union Street is a residential street with 42 addresses.
It ranks as the 381st largest and 134th most expensive of the 496 streets in the SA31 area. The most common property type is a period house built between 1800 and 1911.
The street contains a total of 42 properties: 28 houses and 14 flats.
- Ave. Sale Price
- £157,847
- 10 Year change
- up 42.1%
- Ave. Rental Price
- £951pcm
- 10 Year change
- up 61.8%
- Ave. £ per ft²
- £155/ft²
- Ave. Gross Yield
- 7.2%/year/yr
Explore Propertieson Union Street, Carmarthen, SA31
- Chapel House
3 Bed Period House
- Hafan Deg
Building  |  4 Flats
- St. Marys Rc Retreat
Unknown
- 1 Union Street
Unknown
- 2 Union Street
4 Bed Period House
Sales Market Trends
The last sale on Union Street sold for £175,000 on 29th August 2025. Since then prices are up an average of 1.1%.
The current average value in the street is £157,847.
The Union Street Sales Market has increased by 42.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.5% | £157,847 |
| June 2025 | 3.7% | £155,549 |
| June 2024 | -0.4% | £150,008 |
| June 2023 | 2.5% | £150,652 |
| June 2022 | 14.4% | £146,971 |
| June 2021 | 9.5% | £128,468 |
| June 2020 | 1.8% | £117,314 |
| June 2019 | 6.9% | £115,213 |
| June 2018 | -1.6% | £107,766 |
| June 2017 | -1.4% | £109,544 |
| June 2016 | 7.2% | £111,059 |
| June 2015 | 0.2% | £103,575 |
| June 2014 | 1.5% | £103,414 |
| June 2013 | -0.5% | £101,929 |
| June 2012 | -1.8% | £102,397 |
| June 2011 | -4.8% | £104,295 |
| June 2010 | 0.1% | £109,525 |
| June 2009 | -5% | £109,404 |
| June 2008 | -1.6% | £115,197 |
| June 2007 | 0% | £117,067 |
Rental Market Trends
The current average rental value in the street is £951.
The Union Street Rental Market has increased by 61.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.4% | £951pcm |
| June 2025 | 4.2% | £920pcm |
| June 2024 | 6.7% | £884pcm |
| June 2023 | 6.6% | £828pcm |
| June 2022 | 13.7% | £777pcm |
| June 2021 | 8.4% | £683pcm |
| June 2020 | 1.5% | £630pcm |
| June 2019 | 2.4% | £621pcm |
| June 2018 | 0.3% | £606pcm |
| June 2017 | 2.7% | £604pcm |
| June 2016 | 2% | £588pcm |
| June 2015 | 0.9% | £576pcm |
| June 2014 | 1% | £571pcm |
| June 2013 | 0% | £566pcm |
| June 2012 | 1.1% | £566pcm |
| June 2011 | -1.5% | £560pcm |
| June 2010 | 1.7% | £568pcm |
| June 2009 | -6.7% | £559pcm |
| June 2008 | 3.9% | £599pcm |
| June 2007 | 0% | £576pcm |
Sales History
The last sale was on 29th August 2025 for £175,000 and since then the market in the area has increased by 1.1%. The street has had a total of 37 sales since 1995.
Union Street, Carmarthen, SA31 has seen 6 sales in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£175,000 | 3 Bed House22, Union Street, Carmarthen, SA31 3DE22, Union Street, Carmarthen, SA31 3DE
- Sold Jun 2024£142,500 | 3 Bed House11B, Union Street, Carmarthen, SA31 3DE11B, Union Street, Carmarthen, SA31 3DE
- Sold Aug 2023£135,000 | 4 Bed House24, Union Street, Carmarthen, SA31 3DE24, Union Street, Carmarthen, SA31 3DE
- Sold Jul 2023£167,500 | 4 Bed House11A, Union Street, Carmarthen, SA31 3DE11A, Union Street, Carmarthen, SA31 3DE
- Sold May 2023£130,000 | 4 Bed House17, Union Street, Carmarthen, SA31 3DE17, Union Street, Carmarthen, SA31 3DE
Top 3 Most Expensive Sales
- Sold Mar 2008£211,000 | 5 Bed House11, Union Street, Carmarthen, SA31 3DE11, Union Street, Carmarthen, SA31 3DE
- Sold Sep 2016£177,500 | 5 Bed House13A, Union Street, Carmarthen, SA31 3DE13A, Union Street, Carmarthen, SA31 3DE
- Sold Aug 2025£175,000 | 3 Bed House22, Union Street, Carmarthen, SA31 3DE22, Union Street, Carmarthen, SA31 3DE
Nearby Streets
Union Street, Carmarthen, SA31 is the 381st largest and the 134th most expensive street in the SA31 area.
- Picton Terrace, Carmarthen, SA3156 Addresses|69 m away
- Picton Place, Carmarthen, SA3139 Addresses|124 m away
- St. Nons Avenue, Carmarthen, SA3146 Addresses|165 m away
- Park Terrace, Carmarthen, SA3122 Addresses|178 m away
- Penllwyn Park, Carmarthen, SA3118 Addresses|180 m away
- Penbryn Avenue, Carmarthen, SA3119 Addresses|191 m away
Property Types
- 30 period houses built between 1800 and 1911
- 4 modern flats built after 1980
- 8 other addresses of unknown type
- period house (30)
- modern flat (4)
- Unknown (8)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 30 properties.
- The most common rating is D.
- A (0)
- E (10)
- B (0)
- F (2)
- C (4)
- G (0)
- D (14)
- No EPC (12)
Schools Nearby
Public Transport Nearby
The closest station to Union Street, Carmarthen, SA31 - SA31 3DE is Carmarthen station, which is 1.0 kilometres away.
- Carmarthen|1.0 km away
- Ferryside|10.4 km away
- Kidwelly|13.6 km away
