Our Data Sources
1, Heol St. Denys, Cardiff has 21 entries in the Land Registry, most recently in March 2010 and a single entry in the EPC database dated February 2009.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 1, Heol St. Denys, Cardiff, we estimate a market value of £672,229 and a rental value of £2,033 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £595,403 and £1,801 per month respectively.
Plot Size
HM Land Registry records the plot of land for 1, Heol St. Denys, Cardiff as measuring 480 m2.
That makes it the 14th largest plot in the postcode, where 38 of the 39 other houses have recorded plot data.
Energy Efficiency
1, Heol St. Denys, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Feb 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 1, Heol St. Denys, Cardiff completed on 26th March 2010 at £470,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 43.6% over the period since March 2010.
- Sold Mar 2010£470,000
- Sold Jun 2002£249,950
Similar Properties Sold Nearby
Since 2017 143 properties similar to 1, Heol St. Denys, Cardiff have sold within a radius of 790 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 14th November 2025, was 20, Briarmeadow Drive, Cardiff, CF14 9FB, a freehold house which sold for £495,000.
Read more about house prices in CF14.
- Sold Nov 2025£495,000 | 4 Bed House20, Briarmeadow Drive, Cardiff, CF14 9FB20, Briarmeadow Drive, Cardiff, CF14 9FB
- 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 Feb 2025£720,000 | 5 Bed House29, Llwyn Y Pia Road, Cardiff, CF14 0SX29, Llwyn Y Pia Road, Cardiff, CF14 0SX
- Sold Feb 2025£720,000 | 5 Bed House31, Llwyn Y Pia Road, Cardiff, CF14 0SX31, 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 £591,181, ranging from £484,746 to £837,937.
- 3 Heol St. Denys
3 Bed House | 11 m | Est. Value: £490,183
- 33 Heol Cefn Onn
5 Bed House | 22 m | Est. Value: £688,374
- 5 Heol St. Denys
4 Bed House | 24 m | Est. Value: £515,194
- 31 Heol Cefn Onn
4 Bed House | 26 m | Est. Value: £570,835
- 9 Heol St. Denys
5 Bed House | 34 m | Est. Value: £666,022
Location Comparison
Of the 39 addresses on Heol St. Denys, Lisvane, Cardiff, CF14, 1, Heol St. Denys, Cardiff comes out as the 11th largest and the 14th most expensive in our analysis of the public data.
It is also £268k 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.












