Our Data Sources
77, Heol Isaf, Cardiff has 2 entries in the Land Registry, most recently in October 2024 and a single entry in the EPC database dated February 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 77, Heol Isaf, Cardiff, we estimate a market value of £659,193 and a rental value of £2,459 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £583,857 and £2,178 per month respectively.
Plot Size
HM Land Registry records the plot of land for 77, Heol Isaf, Cardiff as measuring 524 m2.
That makes it the 6th largest plot in the postcode, where 27 of the 28 other houses have recorded plot data.
Energy Efficiency
77, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Feb 2018.
The property is connected to mains gas and has partial multiple glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 77, Heol Isaf, Cardiff completed on 25th October 2024 at £600,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 17.5% over the period since October 2024.
- Sold Oct 2024£600,000
- Sold May 2020£456,500
Similar Properties Sold Nearby
Since 2016 148 properties similar to 77, Heol Isaf, Cardiff have sold within a radius of 920 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th November 2025, was 17, Plas Y Mynach, Cardiff, CF15 8GB, a freehold house which sold for £640,000.
Read more about house prices in CF15.
- Sold Nov 2025£640,000 | 5 Bed House17, Plas Y Mynach, Cardiff, CF15 8GB17, Plas Y Mynach, Cardiff, CF15 8GB
- Sold Aug 2025£760,000 | 5 Bed House33, St. Philbert Street, Cardiff, CF15 8GW33, St. Philbert Street, Cardiff, CF15 8GW
- Sold Apr 2025£625,000 | 5 Bed House48, Fisher Hill Way, Cardiff, CF15 8DR48, Fisher Hill Way, Cardiff, CF15 8DR
- Sold Jan 2025£645,000 | 5 Bed House90, Heol Isaf, Cardiff, CF15 8EA90, Heol Isaf, Cardiff, CF15 8EA
- Sold Oct 2023£699,995 | 5 Bed House14, Tair Erw, Cardiff, CF15 8HQ14, Tair Erw, Cardiff, CF15 8HQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £530,289, ranging from £349,398 to £653,027.
- 73 Heol Isaf
5 Bed House | 19 m | Est. Value: £653,027
- 83 Heol Isaf
4 Bed House | 39 m | Est. Value: £573,571
- 85 Heol Isaf
5 Bed House | 48 m | Est. Value: £651,116
- 58 Heol Isaf
4 Bed House | 49 m | Est. Value: £571,843
- 60 Heol Isaf
4 Bed House | 51 m | Est. Value: £600,165
Location Comparison
Of the 161 addresses on Heol Isaf, Radyr, Cardiff, CF15, 77, Heol Isaf, Cardiff comes out as the 78th largest and the 86th most expensive in our analysis of the public data.
It is also £234k more expensive than the average property across the CF15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|400 m away
- Coryton|1.5 km away
- Llandaf|1.6 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
