133, Heol Isaf
133, Heol Isaf
Description & Estimates
According to the public record, 133, Heol Isaf, Cardiff is a mid-century house with 2,594 ft2 of internal area and sits on a 1,166 m2 plot.
Houses of this size in this area normally have 5 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 133, Heol Isaf, Cardiff is £796,298 and the estimated rental value is £2,922 per month.
Heol Isaf, Radyr, Cardiff, CF15 is located within the CF15 postal district.
Our Data Sources
133, Heol Isaf, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated October 2015.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 133, Heol Isaf, Cardiff is in very good condition we estimate a sale value of £836,113 and a rental value of £3,068 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £740,557 and a rental value of £2,717 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 133, Heol Isaf, Cardiff has moved down by £3,543 (0.4%), while its estimated rental value has increased by £75 per month (2.6%). Based on current estimates, the property offers a gross rental yield of 4.4%.
Plot Size
According to data from HM Land Registry, 133, Heol Isaf, Cardiff sits on a plot of 1,166 m2.
We have plot size data on 15 out of 18 other houses in the postcode and 133, Heol Isaf, Cardiff sits on the 9th largest plot.
Energy Efficiency
133, Heol Isaf, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Oct 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 133, Heol Isaf, Cardiff within a radius of 680 metres over the last 2 years.
The most recent example is 10, Green Place, Cardiff, CF15 8GF, a freehold house which sold for £800,000 on the 9th October 2025.
Read more about house prices in CF15.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Heol Isaf, Radyr, Cardiff, CF15 has a total of 161 addresses. According to our analysis of all the public data, 133, Heol Isaf, Cardiff is the 25th largest and the 35th most expensive property on the street.
When compared to the postcode district it is £409k more expensive than the average property in CF15.
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Schools Nearby
Public Transport Nearby
The closest station to 133, Heol Isaf, Cardiff is Radyr station, which is 900 metres away.
- 900mRadyr
- 1.4kmDanescourt
- 1.5kmLlandaf
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
