How much is 1 Heol Isaf, Radyr, Cardiff, CF15 8AF worth?
Estimated value — October 2026
£1,197,000
Likely range £1,197,000 – £1,197,000
Latest recorded sale August 1995
0%
confidence
Low
Property details
Detached house
Heol Isaf · Cardiff · CF15 8AF
Energy performance
Mains Gas (Not Community) · EPC 7108-0921-7270-1757-8974 · inspected October 2013 · lodged December 2013
Address
- District
- Cardiff
- County
- Cardiff
Value over time
- Modelled value
- Today's estimate
Modelled by indexing this property's most recent recorded sale, month by month, against the UK House Price Index for its area and property type. Earlier sales are shown as recorded. Today's estimate also blends in the other valuation methods, so it can sit a little off the line.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £335,731 |
| 2001 | £384,450 |
| 2002 | £467,379 |
| 2003 | £535,759 |
| 2004 | £640,575 |
| 2005 | £645,518 |
| 2006 | £676,493 |
| 2007 | £697,519 |
| 2008 | £631,689 |
| 2009 | £645,287 |
| 2010 | £666,650 |
| 2011 | £685,105 |
| 2012 | £681,512 |
| 2013 | £703,086 |
| 2014 | £769,590 |
| 2015 | £801,868 |
| 2016 | £834,314 |
| 2017 | £872,754 |
| 2018 | £915,746 |
| 2019 | £944,168 |
| 2020 | £975,701 |
| 2021 | £1,064,187 |
| 2022 | £1,173,907 |
| 2023 | £1,150,410 |
| 2024 | £1,165,401 |
| 2025 | £1,182,300 |
| 2026 | £1,196,676 |
Sale history
Mortgage calculator
£5,685
Estimated monthly repayment
£1,077,300
Loan amount
£969,237
Total interest
£2,046,537
Total repayable
A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.
Related properties
- 1A, Heol Isaf, Radyr, Cardiff, CF15 8AF£794,950 · 2024£834,000
- 11 Heol Isaf, Radyr, Cardiff, CF15 8AF£625,000 · 2020£791,000
- Ty Mynydd Lodge, Heol Isaf, Radyr, Cardiff, CF15 8AF£467,000 · 2014£794,000
- 3 Heol Isaf, Radyr, Cardiff, CF15 8AF£353,000 · 2022£391,000
- 1B, Heol Isaf, Radyr, Cardiff, CF15 8AF£469,000 · 2021£564,000
- 1D, Heol Isaf, Radyr, Cardiff, CF15 8AF£352,000 · 2016£505,000
- 1C, Heol Isaf, Radyr, Cardiff, CF15 8AF£360,000 · 2016£519,000
About this property
1 Heol Isaf, Radyr, Cardiff, CF15 8AF is a detached house on Heol Isaf in Cardiff. Stede's estimated value for October 2026 is £1,197,000. It is the average of 2 independent methods that re-index recorded sale prices to today. The confidence score is 0 out of 100 (low), based on how recent the most recent recorded sale is.
It last sold in August 1995 for £230,000. The current estimate is 420% higher than that price. The current owner has held it for about 31 years.
Its EPC energy-efficiency rating is band C (72 out of 100). The certificate records a total floor area of 212 m² (2,282 sq ft). It was lodged in December 2013.
The modelled value is up 3% over the past year and up 17% over the past five years.
Among 7 nearby properties Stede tracks in the CF15 area, estimated values run from £391,000 to £834,000. This detached house's £1,197,000 sits above that range.
Common questions
How much is 1 Heol Isaf, Radyr, Cardiff, CF15 8AF worth?
Stede estimates 1 Heol Isaf, Radyr, Cardiff, CF15 8AF is worth £1,197,000 as of October 2026. The estimate is generated automatically from recorded sale prices and the UK House Price Index, and is not a formal valuation.
When did 1 Heol Isaf, Radyr, Cardiff, CF15 8AF last sell?
It last sold in August 1995 for £230,000.
What type of property is 1 Heol Isaf, Radyr, Cardiff, CF15 8AF?
It is recorded as a Detached house on Heol Isaf in the CF15 postcode area.
What is the EPC rating of 1 Heol Isaf, Radyr, Cardiff, CF15 8AF?
1 Heol Isaf, Radyr, Cardiff, CF15 8AF has an EPC energy-efficiency rating of band C (72 out of 100). The certificate records a floor area of 212 m² (2,282 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.
How reliable is this estimate?
The confidence score is 0 out of 100 (low), which reflects how recent the most recent recorded sale is rather than local market volatility. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.
How does Stede calculate this estimate?
Stede runs 2 independent methods that re-index this property's recorded sale prices to today using the House Price Index for its type and region, then takes the average. Full detail is on the methodology page.
How we calculated this
This estimate averages 2 valuation methods, each re-indexing recorded sale prices to today. The confidence score reflects how recent the most recent recorded sale is.
2
Valuation methods used
1
Recorded sales on file
1995
Most recent recorded sale