Key Street Insights
Duffryn Street is a residential street with 93 addresses.
It ranks as the 501st largest and 91st 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 93 properties: 59 houses, 8 flats and 26 other properties.
- Ave. Sale Price
- £107,351
- 10 Year change
- up 71.4%
- Ave. Rental Price
- £738pcm
- 10 Year change
- up 68.2%
- Ave. £ per ft²
- £149/ft²
- Ave. Gross Yield
- 8.2%/year/yr
Key Street Insights
Duffryn Street is a residential street with 93 addresses.
It ranks as the 501st largest and 91st 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 93 properties: 59 houses, 8 flats and 26 other properties.
- Ave. Sale Price
- £107,351
- 10 Year change
- up 71.4%
- Ave. Rental Price
- £738pcm
- 10 Year change
- up 68.2%
- Ave. £ per ft²
- £149/ft²
- Ave. Gross Yield
- 8.2%/year/yr
Explore Properties on Duffryn Street, Mountain Ash, CF45
- Glancynon
Period Building | 8 Units
- 3 Duffryn Street
House
- 4 Duffryn Street
3 Bed Period House
- 5 Duffryn Street
3 Bed Period House
- 6 Duffryn Street
3 Bed Period House
Sales Market Trends
The last sale on Duffryn Street sold for £457,000 on 22nd December 2025. Since then prices are up an average of 3.1%.
The current average value in the street is £107,351.
The Duffryn Street Sales Market has increased by 71.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.6% | £107,351 |
| June 2025 | 5.3% | £103,590 |
| June 2024 | 2.2% | £98,374 |
| June 2023 | -0.1% | £96,301 |
| June 2022 | 16.7% | £96,386 |
| June 2021 | 12.2% | £82,621 |
| June 2020 | 7.2% | £73,663 |
| June 2019 | 4.9% | £68,741 |
| June 2018 | 2.1% | £65,542 |
| June 2017 | 2.5% | £64,165 |
| June 2016 | 2.3% | £62,619 |
| June 2015 | 2.6% | £61,185 |
| June 2014 | 2.9% | £59,632 |
| June 2013 | -2.1% | £57,949 |
| June 2012 | -2.4% | £59,186 |
| June 2011 | -2.1% | £60,654 |
| June 2010 | 1.1% | £61,942 |
| June 2009 | -11.4% | £61,264 |
| June 2008 | -2.1% | £69,139 |
| June 2007 | 0% | £70,608 |
Rental Market Trends
The current average rental value in the street is £738.
The Duffryn Street Rental Market has increased by 68.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.7% | £738pcm |
| June 2025 | 4.5% | £718pcm |
| June 2024 | 6.6% | £687pcm |
| June 2023 | 9.1% | £645pcm |
| June 2022 | 12.8% | £591pcm |
| June 2021 | 8.4% | £524pcm |
| June 2020 | 4.1% | £483pcm |
| June 2019 | 2.2% | £464pcm |
| June 2018 | 2.3% | £454pcm |
| June 2017 | 1.3% | £444pcm |
| June 2016 | 3.2% | £439pcm |
| June 2015 | 1.2% | £425pcm |
| June 2014 | 1.3% | £420pcm |
| June 2013 | -0.4% | £415pcm |
| June 2012 | -0.6% | £416pcm |
| June 2011 | 1.7% | £419pcm |
| June 2010 | 1.6% | £412pcm |
| June 2009 | -5% | £405pcm |
| June 2008 | -0.4% | £427pcm |
| June 2007 | 0% | £428pcm |
Sales History
The last recorded sale was on 22nd December 2025 for £457,000 and since then the market in the area has increased by 3.1%.
Duffryn Street, Mountain Ash, CF45 has had 3 sales since 1995, with 3 in the last three years and 2 in the last twelve months.
- Sold Dec 2025£457,000 | 2 Bed FlatFlat 6, Glancynon, Duffryn Street, Mountain Ash, CF45 3NLFlat 6, Glancynon, Duffryn Street, Mountain Ash, CF45 3NL
- Sold Nov 2025£115,000 | 3 Bed House81, Duffryn Street, Mountain Ash, CF45 3HR81, Duffryn Street, Mountain Ash, CF45 3HR
- Sold Jun 2025£95,000 | 3 Bed House33, Duffryn Street, Mountain Ash, CF45 3NU33, Duffryn Street, Mountain Ash, CF45 3NU
Top 3 Most Expensive Sales
- Sold Dec 2025£457,000 | 2 Bed FlatFlat 6, Glancynon, Duffryn Street, Mountain Ash, CF45 3NLFlat 6, Glancynon, Duffryn Street, Mountain Ash, CF45 3NL
- Sold Oct 2024£127,500 | 3 Bed House74, Duffryn Street, Mountain Ash, CF45 3HR74, Duffryn Street, Mountain Ash, CF45 3HR
- Sold Jun 2021£120,000 | 3 Bed House10, Duffryn Street, Mountain Ash, CF45 3NU10, Duffryn Street, Mountain Ash, CF45 3NU
Nearby Streets
Duffryn Street, Mountain Ash, CF45 is the 501st largest and the 91st most expensive street in the CF45 area.
- St. Davids Place, Mountain Ash, CF453 Addresses|31 m away
- Chancery Lane, Mountain Ash, CF4511 Addresses|39 m away
- High Street, Mountain Ash, CF45135 Addresses|56 m away
- Knight Street, Mountain Ash, CF454 Addresses|67 m away
- Quarry Road, Mountain Ash, CF4510 Addresses|86 m away
- Oxford Street, Mountain Ash, CF4541 Addresses|89 m away
Sections of this street
There are 3 postcodes on Duffryn Street, Mountain Ash, CF45.
- House prices in CF45 3NL27 Addresses
- House prices in CF45 3NU35 Addresses
- House prices in CF45 3HR31 Addresses
Property Types
- 57 period houses built between 1800 and 1911
- 8 period flats built between 1800 and 1911
- 2 houses of an unknown age
- 26 other addresses of unknown type
- period house (57)
- period flat (8)
- house (2)
- Unknown (26)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 65 properties.
- The most common rating is D.
- A (0)
- E (5)
- B (0)
- F (0)
- C (19)
- G (0)
- D (41)
- No EPC (28)
Schools Nearby
Public Transport Nearby
The closest station to Duffryn Street, Mountain Ash, CF45 is Mountain Ash station, which is 300 metres away.
- Mountain Ash|300 m away
- Fernhill|1.2 km away
- Penrhiwceiber|2.0 km away
