Heol Isaf - CF15 8AG
Key Postcode Insights
CF15 8AG is a residential postcode situated on Heol Isaf, Radyr, Cardiff, CF15 with 11 addresses.
It ranks as the 196th largest of the 481 postcodes in the CF15 area.
The postcode contains a total of 11 properties: 4 houses and 7 other properties.
- Ave. Sale Price
- £772,734
- 10 Year change
- up 37.0%
- Ave. Rental Price
- £2,808pcm
- 10 Year change
- up 68.2%
- Ave. £ per ft²
- £431/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Key Postcode Insights
CF15 8AG is a residential postcode situated on Heol Isaf, Radyr, Cardiff, CF15 with 11 addresses.
It ranks as the 196th largest of the 481 postcodes in the CF15 area.
The postcode contains a total of 11 properties: 4 houses and 7 other properties.
- Ave. Sale Price
- £772,734
- 10 Year change
- up 37.0%
- Ave. Rental Price
- £2,808pcm
- 10 Year change
- up 68.2%
- Ave. £ per ft²
- £431/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Explore Properties in CF15 8AG
- 17 Heol Isaf
5 Bed Period House
- 19 Heol Isaf
House
- 21 Heol Isaf
House
- 23 Heol Isaf
Building | 2 Flats
- 25 Heol Isaf
4 Bed House
Sales Market Trends
The last sale in CF15 8AG sold for £6,000 on 24th March 2025. Since then prices are up an average of 6.0%.
The current average value in the postcode is £772,734.
The CF15 8AG Sales Market has increased by 37.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.1% | £772,734 |
| June 2025 | 1.8% | £764,132 |
| June 2024 | 2.1% | £750,443 |
| June 2023 | 2.1% | £735,171 |
| June 2022 | 10.6% | £720,163 |
| June 2021 | 2.3% | £651,337 |
| June 2020 | 4.6% | £636,912 |
| June 2019 | 1.2% | £608,962 |
| June 2018 | 3.8% | £601,817 |
| June 2017 | 2.7% | £579,520 |
| June 2016 | 2.2% | £564,182 |
| June 2015 | 7.6% | £552,123 |
| June 2014 | 3.3% | £513,158 |
| June 2013 | 2.5% | £496,591 |
| June 2012 | 2.9% | £484,524 |
| June 2011 | -3.8% | £470,810 |
| June 2010 | 7% | £489,309 |
| June 2009 | -6% | £457,492 |
| June 2008 | 0% | £486,481 |
| June 2007 | 0% | £486,448 |
Rental Market Trends
The current average rental value in the postcode is £2,808.
The CF15 8AG Rental Market has increased by 68.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.1% | £2,808pcm |
| June 2025 | 4.5% | £2,749pcm |
| June 2024 | 8.2% | £2,631pcm |
| June 2023 | 11.6% | £2,431pcm |
| June 2022 | 10.2% | £2,178pcm |
| June 2021 | 6.1% | £1,976pcm |
| June 2020 | 2.8% | £1,862pcm |
| June 2019 | 1.5% | £1,812pcm |
| June 2018 | 2.7% | £1,785pcm |
| June 2017 | 4.1% | £1,738pcm |
| June 2016 | 4.1% | £1,670pcm |
| June 2015 | 3.4% | £1,604pcm |
| June 2014 | 3.2% | £1,551pcm |
| June 2013 | 2.1% | £1,503pcm |
| June 2012 | 1.7% | £1,473pcm |
| June 2011 | 1.1% | £1,448pcm |
| June 2010 | 3.4% | £1,432pcm |
| June 2009 | 0.2% | £1,384pcm |
| June 2008 | 1% | £1,381pcm |
| June 2007 | 0% | £1,368pcm |
Sales History
The last recorded sale was on 24th March 2025 for £6,000 and since then the market in the area has increased by 6.0%.
CF15 8AG has had 3 sales since 1995, with 2 in the last three years and none in the last twelve months.
- Sold Mar 2025£6,000 | 5 Bed House17, Heol Isaf, Cardiff, CF15 8AG17, Heol Isaf, Cardiff, CF15 8AG
- Sold Jan 2023£1,125,000 | 5 Bed House17, Heol Isaf, Cardiff, CF15 8AG17, Heol Isaf, Cardiff, CF15 8AG
- Sold Jul 2007£485,000 | 4 Bed House25, Heol Isaf, Cardiff, CF15 8AG25, Heol Isaf, Cardiff, CF15 8AG
Nearby Postcodes
CF15 8AG is the 196th largest and the 479th most expensive postcode out of the 481 postcodes in the CF15 area.
- CF15 8AL, Heol Isaf, Radyr, Cardiff, CF15CF15 8AL12 Addresses|86 m away
- CF15 8FS, Drysgol Road, Radyr, Cardiff, CF15CF15 8FS12 Addresses|88 m away
- CF15 8AH, Heol Isaf, Radyr, Cardiff, CF15CF15 8AH13 Addresses|107 m away
- CF15 8AE, Windsor Crescent, Radyr, Cardiff, CF15CF15 8AE22 Addresses|116 m away
- CF15 8DH, Drysgol Road, Radyr, Cardiff, CF15CF15 8DH3 Addresses|153 m away
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 3 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (1)
- G (0)
- D (1)
- No EPC (8)
Top 3 Most Expensive Sales
- Sold Aug 2025£1,300,000 | 5 Bed House40, Heol Isaf, Cardiff, CF15 8DY40, Heol Isaf, Cardiff, CF15 8DY
- Sold Jan 2023£1,125,000 | 5 Bed House17, Heol Isaf, Cardiff, CF15 8AG17, Heol Isaf, Cardiff, CF15 8AG
- Sold Jul 2011£1,075,000 | 5 Bed House94, Heol Isaf, Cardiff, CF15 8EA94, Heol Isaf, Cardiff, CF15 8EA
Schools Nearby
Public Transport Nearby
The closest station to CF15 8AG is Radyr station, which is 300 metres away.
- Radyr|300 m away
- Coryton|1.5 km away
- Llandaf|1.9 km away
- Whitchurch (Cardiff)|2.1 km away
