Duffryn Street - CF45 3NL
Key Postcode Insights
CF45 3NL is a residential postcode situated on Duffryn Street, Mountain Ash, CF45 with 27 addresses.
It ranks as the 504th largest and 153rd most expensive of the 758 postcodes in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 27 properties: 19 houses and 8 flats.
- Ave. Sale Price
- £103,168
- 10 Year change
- up 65.6%
- Ave. Rental Price
- £701pcm
- 10 Year change
- up 62.2%
- Ave. £ per ft²
- £156/ft²
- Ave. Gross Yield
- 8.2%/year/yr
Key Postcode Insights
CF45 3NL is a residential postcode situated on Duffryn Street, Mountain Ash, CF45 with 27 addresses.
It ranks as the 504th largest and 153rd most expensive of the 758 postcodes in the CF45 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 27 properties: 19 houses and 8 flats.
- Ave. Sale Price
- £103,168
- 10 Year change
- up 65.6%
- Ave. Rental Price
- £701pcm
- 10 Year change
- up 62.2%
- Ave. £ per ft²
- £156/ft²
- Ave. Gross Yield
- 8.2%/year/yr
Explore Propertiesin CF45 3NL
- Glancynon
Period Building | 8 Units
- 38 Duffryn Street
Unknown
- 39 Duffryn Street
Unknown
- 40 Duffryn Street
3 Bed Period House
- 42 Duffryn Street
3 Bed Period House
Sales Market Trends
The last sale in CF45 3NL sold for £457,000 on 22nd December 2025. Since then prices are up an average of 59.4%.
The current average value in the postcode is £103,168.
The CF45 3NL Sales Market has increased by 65.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.4% | £103,168 |
| June 2025 | 5% | £99,745 |
| June 2024 | 2.3% | £94,994 |
| June 2023 | -0.1% | £92,865 |
| June 2022 | 15.8% | £92,948 |
| June 2021 | 11.5% | £80,264 |
| June 2020 | 7.3% | £71,980 |
| June 2019 | 4.3% | £67,058 |
| June 2018 | 1.6% | £64,311 |
| June 2017 | 1.5% | £63,270 |
| June 2016 | 1.5% | £62,311 |
| June 2015 | 2.5% | £61,405 |
| June 2014 | 2.9% | £59,919 |
| June 2013 | -2.3% | £58,208 |
| June 2012 | -2.7% | £59,599 |
| June 2011 | -2.9% | £61,280 |
| June 2010 | 0.3% | £63,104 |
| June 2009 | -11.8% | £62,908 |
| June 2008 | -2% | £71,321 |
| June 2007 | 0% | £72,795 |
Rental Market Trends
The current average rental value in the postcode is £701.
The CF45 3NL Rental Market has increased by 62.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.5% | £701pcm |
| June 2025 | 4.2% | £684pcm |
| June 2024 | 6.8% | £656pcm |
| June 2023 | 8.9% | £615pcm |
| June 2022 | 11.9% | £564pcm |
| June 2021 | 7.8% | £504pcm |
| June 2020 | 4.3% | £468pcm |
| June 2019 | 1.6% | £449pcm |
| June 2018 | 1.8% | £442pcm |
| June 2017 | 0.3% | £434pcm |
| June 2016 | 2.4% | £432pcm |
| June 2015 | 1.1% | £422pcm |
| June 2014 | 1.2% | £417pcm |
| June 2013 | -0.6% | £412pcm |
| June 2012 | -0.9% | £415pcm |
| June 2011 | 0.8% | £419pcm |
| June 2010 | 0.9% | £415pcm |
| June 2009 | -5.6% | £411pcm |
| June 2008 | -0.3% | £436pcm |
| June 2007 | 0% | £437pcm |
Sales History
The last sale was on 22nd December 2025 for £457,000 and since then the market in the area has increased by 59.4%. The postcode has had a total of 18 sales since 1995.
CF45 3NL has seen 2 sales in the last three years and 1 sale 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 Jun 2024£55,000 | 3 Bed House53, Duffryn Street, Mountain Ash, CF45 3NL53, Duffryn Street, Mountain Ash, CF45 3NL
- Sold Apr 2019£73,000 | 3 Bed House54, Duffryn Street, Mountain Ash, CF45 3NL54, Duffryn Street, Mountain Ash, CF45 3NL
- Sold Mar 2019£70,000 | 3 Bed House51, Duffryn Street, Mountain Ash, CF45 3NL51, Duffryn Street, Mountain Ash, CF45 3NL
- Sold Aug 2017£35,000 | 3 Bed House52, Duffryn Street, Mountain Ash, CF45 3NL52, Duffryn Street, Mountain Ash, CF45 3NL
Nearby Postcodes
CF45 3NL is the 504th largest and the 153rd most expensive postcode out of the 758 postcodes in the CF45 area.
- CF45 3NN, St. Davids Place, Mountain Ash, CF45CF45 3NN3 Addresses|31 m away
- CF45 3NW, Chancery Lane, Mountain Ash, CF45CF45 3NW11 Addresses|46 m away
- CF45 3PF, High Street, Mountain Ash, CF45CF45 3PF2 Addresses|51 m away
- CF45 3EY, Knight Street, Mountain Ash, CF45CF45 3EY4 Addresses|64 m away
- CF45 3PE, High Street, Mountain Ash, CF45CF45 3PE56 Addresses|76 m away
Property Types
- 12 period houses built between 1800 and 1911
- 8 period flats built between 1800 and 1911
- 1 house of an unknown age
- 6 other addresses of unknown type
- period house (12)
- period flat (8)
- house (1)
- Unknown (6)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 20 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (0)
- C (2)
- G (0)
- D (15)
- No EPC (7)
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
Schools Nearby
Public Transport Nearby
The closest station to CF45 3NL is Mountain Ash station, which is 300 metres away.
- Mountain Ash|300 m away
- Fernhill|1.2 km away
- Penrhiwceiber|2.0 km away
- Merthyr Vale|3.0 km away
