Windsor Avenue - CF15 8BY
Key Postcode Insights
CF15 8BY is a residential postcode situated on Windsor Avenue, Radyr, Cardiff, CF15 with 21 addresses.
It ranks as the 324th largest and 396th most expensive of the 481 postcodes in the CF15 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 21 properties: 19 houses and 2 flats.
- Ave. Sale Price
- £547,780
- 10 Year change
- up 36.1%
- Ave. Rental Price
- £2,029pcm
- 10 Year change
- up 67.8%
- Ave. £ per ft²
- £378/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Key Postcode Insights
CF15 8BY is a residential postcode situated on Windsor Avenue, Radyr, Cardiff, CF15 with 21 addresses.
It ranks as the 324th largest and 396th most expensive of the 481 postcodes in the CF15 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 21 properties: 19 houses and 2 flats.
- Ave. Sale Price
- £547,780
- 10 Year change
- up 36.1%
- Ave. Rental Price
- £2,029pcm
- 10 Year change
- up 67.8%
- Ave. £ per ft²
- £378/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Explore Propertiesin CF15 8BY
- 26 Windsor Avenue
4 Bed Period House
- 28 Windsor Avenue
4 Bed Early-century House
- 30 Windsor Avenue
Unknown
- 32 Windsor Avenue
Unknown
- 34 Windsor Avenue
5 Bed Period House
Sales Market Trends
The last sale in CF15 8BY sold for £630,000 on 19th September 2025. Since then prices are up an average of 1.3%.
The current average value in the postcode is £547,780.
The CF15 8BY Sales Market has increased by 36.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.1% | £547,780 |
| June 2025 | 1.8% | £541,906 |
| June 2024 | 2.2% | £532,207 |
| June 2023 | 1.9% | £520,944 |
| June 2022 | 10.7% | £511,061 |
| June 2021 | 2.1% | £461,867 |
| June 2020 | 4.7% | £452,397 |
| June 2019 | 1.1% | £431,947 |
| June 2018 | 3.7% | £427,377 |
| June 2017 | 2.5% | £412,308 |
| June 2016 | 2.1% | £402,388 |
| June 2015 | 7.6% | £394,187 |
| June 2014 | 3.2% | £366,360 |
| June 2013 | 2.6% | £354,922 |
| June 2012 | 3% | £345,951 |
| June 2011 | -4% | £335,962 |
| June 2010 | 6.7% | £350,104 |
| June 2009 | -6.2% | £327,993 |
| June 2008 | 0.3% | £349,603 |
| June 2007 | 0% | £348,719 |
Rental Market Trends
The current average rental value in the postcode is £2,029.
The CF15 8BY Rental Market has increased by 67.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.1% | £2,029pcm |
| June 2025 | 4.6% | £1,988pcm |
| June 2024 | 8.2% | £1,901pcm |
| June 2023 | 11.4% | £1,757pcm |
| June 2022 | 10.3% | £1,577pcm |
| June 2021 | 6.2% | £1,430pcm |
| June 2020 | 2.8% | £1,345pcm |
| June 2019 | 1.5% | £1,309pcm |
| June 2018 | 2.6% | £1,290pcm |
| June 2017 | 4% | £1,257pcm |
| June 2016 | 4.1% | £1,209pcm |
| June 2015 | 3.3% | £1,161pcm |
| June 2014 | 3.2% | £1,125pcm |
| June 2013 | 2.1% | £1,090pcm |
| June 2012 | 1.7% | £1,067pcm |
| June 2011 | 1% | £1,049pcm |
| June 2010 | 3.2% | £1,039pcm |
| June 2009 | -0.1% | £1,007pcm |
| June 2008 | 1% | £1,008pcm |
| June 2007 | 0% | £998pcm |
Sales History
The last sale was on 19th September 2025 for £630,000 and since then the market in the area has increased by 1.3%. The postcode has had a total of 32 sales since 1995.
CF15 8BY has seen 5 sales in the last three years and 1 sale in the last twelve months.
- Sold Sep 2025£630,000 | 5 Bed House36, Windsor Avenue, Cardiff, CF15 8BY36, Windsor Avenue, Cardiff, CF15 8BY
- Sold May 2024£462,000 | 4 Bed House28, Windsor Avenue, Cardiff, CF15 8BY28, Windsor Avenue, Cardiff, CF15 8BY
- Sold Jun 2023£565,000 | 4 Bed House62, Windsor Avenue, Cardiff, CF15 8BY62, Windsor Avenue, Cardiff, CF15 8BY
- Sold Jun 2023£245,000 | 3 Bed Flat66, Windsor Avenue, Cardiff, CF15 8BY66, Windsor Avenue, Cardiff, CF15 8BY
- Sold Jan 2023£540,000 | 5 Bed House52, Windsor Avenue, Cardiff, CF15 8BY52, Windsor Avenue, Cardiff, CF15 8BY
Nearby Postcodes
CF15 8BY is the 324th largest and the 396th most expensive postcode out of the 481 postcodes in the CF15 area.
- CF15 8BX, Windsor Avenue, Radyr, Cardiff, CF15CF15 8BX16 Addresses|54 m away
- CF15 8BZ, Windsor Close, Radyr, Cardiff, CF15CF15 8BZ6 Addresses|94 m away
- CF15 8AY, Sefton Court, Radyr, Cardiff, CF15CF15 8AY6 Addresses|102 m away
- CF15 8AX, York Court, Radyr, Cardiff, CF15CF15 8AX6 Addresses|127 m away
- CF15 8AN, Maes-Yr-Awel, Radyr, Cardiff, CF15CF15 8AN20 Addresses|137 m away
Property Types
- 2 period houses built between 1800 and 1911
- 11 mid-century houses built between 1936 and 1979
- 2 mid-century flats built between 1936 and 1979
- 2 early-century houses built between 1912 and 1935
- 4 other addresses of unknown type
- period house (2)
- mid-century house (11)
- mid-century flat (2)
- early-century house (2)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 17 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (0)
- F (3)
- C (5)
- G (0)
- D (6)
- No EPC (4)
Top 3 Most Expensive Sales
- Sold Dec 2023£970,000 | 5 Bed House3, Windsor Avenue, Cardiff, CF15 8BW3, Windsor Avenue, Cardiff, CF15 8BW
- Sold Aug 2020£760,000 | 5 Bed House10, Windsor Avenue, Cardiff, CF15 8BW10, Windsor Avenue, Cardiff, CF15 8BW
- Sold Sep 2025£630,000 | 5 Bed House36, Windsor Avenue, Cardiff, CF15 8BY36, Windsor Avenue, Cardiff, CF15 8BY
Schools Nearby
Public Transport Nearby
The closest station to CF15 8BY is Radyr station, which is 900 metres away.
- Radyr|900 m away
- Coryton|1.9 km away
- Taffs Well|2.3 km away
- Llandaf|2.5 km away
