Our Data Sources
15, Heol St. Denys, Cardiff has a single entry in the Land Registry from November 2021 and a single entry in the EPC database dated June 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 15, Heol St. Denys, Cardiff, we estimate a market value of £779,290 and a rental value of £2,184 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £690,228 and £1,934 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Heol St. Denys, Cardiff as measuring 1,178 m2.
That makes it the largest plot in the postcode, where 38 of the 39 other houses have recorded plot data.
Energy Efficiency
15, Heol St. Denys, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Jun 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using warm air (mains gas).
Sold Prices
The most recent sale of 15, Heol St. Denys, Cardiff completed on 19th November 2021 at £715,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 9.5% over the period since November 2021.
- Sold Nov 2021£715,000
Similar Properties Sold Nearby
Since 2010 113 properties similar to 15, Heol St. Denys, Cardiff have sold within a radius of 810 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th November 2025, was 36, Heol St. Denys, Cardiff, CF14 0RU, a freehold house which sold for £757,500.
Read more about house prices in CF14.
- Sold Nov 2025£757,500 | 5 Bed House36, Heol St. Denys, Cardiff, CF14 0RU36, Heol St. Denys, Cardiff, CF14 0RU
- Sold Sep 2025£662,500 | 4 Bed House64, Clos Llysfaen, Cardiff, CF14 0UP64, Clos Llysfaen, Cardiff, CF14 0UP
- Sold Apr 2025£637,500 | 5 Bed House9, Heol St. Denys, Cardiff, CF14 0RU9, Heol St. Denys, Cardiff, CF14 0RU
- Sold Mar 2025£647,500 | 5 Bed House51, Cherry Orchard Road, Cardiff, CF14 0UD51, Cherry Orchard Road, Cardiff, CF14 0UD
- Sold Feb 2025£720,000 | 5 Bed House29, Llwyn Y Pia Road, Cardiff, CF14 0SX29, Llwyn Y Pia Road, Cardiff, CF14 0SX
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 £652,524, ranging from £525,904 to £840,625.
- 11 Heol St. Denys
5 Bed House | 22 m | Est. Value: £840,625
- 19 Heol St. Denys
4 Bed House | 33 m | Est. Value: £565,704
- 9 Heol St. Denys
5 Bed House | 42 m | Est. Value: £698,601
- 5 The Paddock
5 Bed House | 46 m | Est. Value: £833,326
- 29 Heol Cefn Onn
4 Bed House | 48 m | Est. Value: £588,396
Location Comparison
Of the 39 addresses on Heol St. Denys, Lisvane, Cardiff, CF14, 15, Heol St. Denys, Cardiff comes out as the 10th largest and the 3rd most expensive in our analysis of the public data.
It is also £367k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Lisvane & Thornhill|400 m away
- Llanishen|1.2 km away
- Ty Glas|2.7 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
