Our Data Sources
21, Dol Isaf, Cardiff has a single entry in the Land Registry from July 2022 and a single entry in the EPC database dated May 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, Dol Isaf, Cardiff would be worth £414,042, with a potential rental value of £2,139 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £366,723, with a rental value of £1,894 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Dol Isaf, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 17 May 2022.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
21, Dol Isaf, Cardiff last changed hands on 18th July 2022, selling for £349,995. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 5.4% since July 2022.
- Sold Jul 2022£349,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 318 sales of comparable properties within 820 metres of 21, Dol Isaf, Cardiff since 2021.
Most recently, 16, Lon Y Pererinion, Cardiff, CF15 8HG, a freehold house, sold at £366,000 on the 15th July 2025.
Read more about house prices in CF15.
- Sold Jul 2025£366,000 | 3 Bed House16, Lon Y Pererinion, Cardiff, CF15 8HG16, Lon Y Pererinion, Cardiff, CF15 8HG
- Sold Jan 2025£369,000 | 3 Bed House16, Clos Harry Corner, Cardiff, CF15 8GR16, Clos Harry Corner, Cardiff, CF15 8GR
- Sold May 2024£389,995 | 3 Bed House45, St. John Avenue, Cardiff, CF15 8GS45, St. John Avenue, Cardiff, CF15 8GS
- Sold Dec 2022£434,995 | 4 Bed House1, Lon Y Pererinion, Cardiff, CF15 8HG1, Lon Y Pererinion, Cardiff, CF15 8HG
- Sold Dec 2022£384,995 | 3 Bed House3, Lon Y Pererinion, Cardiff, CF15 8HG3, Lon Y Pererinion, Cardiff, CF15 8HG
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 £381,486, ranging from £298,117 to £443,437.
- 22 Dol Isaf
4 Bed House | 6 m | Est. Value: £394,325
- 23 Dol Isaf
4 Bed House | 19 m | Est. Value: £430,707
- 36 Dol Isaf
4 Bed House | 20 m | Est. Value: £416,399
- 24 Dol Isaf
4 Bed House | 26 m | Est. Value: £426,290
- 35 Dol Isaf
4 Bed House | 30 m | Est. Value: £416,399
Location Comparison
Our analysis of the public data ranks 21, Dol Isaf, Cardiff as the 22nd largest and the 22nd most expensive of the 36 addresses on Dol Isaf, Radyr, Cardiff, CF15.
Against the CF15 postcode district average, it is £3k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|1.1 km away
- Danescourt|1.4 km away
- Llandaf|1.6 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












