Our Data Sources
40, Heol Don, Cardiff has a single entry in the Land Registry from June 2009 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 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 40, Heol Don, Cardiff, we estimate a market value of £746,033 and a rental value of £2,289 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £660,772 and £2,027 per month respectively.
Plot Size
HM Land Registry records the plot of land for 40, Heol Don, Cardiff as measuring 421 m2.
That makes it the 18th largest plot in the postcode, where all 25 other houses have recorded plot data.
Energy Efficiency
40, Heol Don, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 10 Feb 2009.
The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 40, Heol Don, Cardiff completed on 5th June 2009 at £300,000 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 risen by 91.3% over the period since June 2009.
- Sold Jun 2009£300,000
Similar Properties Sold Nearby
Since 2014 58 properties similar to 40, Heol Don, Cardiff have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 13th February 2026, was 15, Kingsland Road, Cardiff, CF14 2EJ, a freehold house which sold for £745,000.
Read more about house prices in CF14.
- Sold Feb 2026£745,000 | 4 Bed House15, Kingsland Road, Cardiff, CF14 2EJ15, Kingsland Road, Cardiff, CF14 2EJ
- Sold Aug 2025£606,000 | 4 Bed House21, Kingsland Road, Cardiff, CF14 2EJ21, Kingsland Road, Cardiff, CF14 2EJ
- Sold Aug 2025£765,000 | 4 Bed House92, Bishops Road, Cardiff, CF14 1LY92, Bishops Road, Cardiff, CF14 1LY
- Sold Apr 2025£750,000 | 4 Bed House38, Bishops Road, Cardiff, CF14 1LU38, Bishops Road, Cardiff, CF14 1LU
- Sold Nov 2024£680,000 | 4 Bed House90, Bishops Road, Cardiff, CF14 1LY90, Bishops Road, Cardiff, CF14 1LY
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 £666,594, ranging from £435,438 to £877,612.
- 42 Heol Don
4 Bed House | 8 m | Est. Value: £478,031
- 36 Heol Don
3 Bed House | 19 m | Est. Value: £554,639
- 44 Heol Don
4 Bed House | 21 m | Est. Value: £657,307
- 46 Heol Don
4 Bed House | 27 m | Est. Value: £714,984
- 46A Heol Don
5 Bed House | 39 m | Est. Value: £767,039
Location Comparison
Of the 125 addresses on Heol Don, Cardiff, CF14, 40, Heol Don, Cardiff comes out as the 68th largest and the 49th most expensive in our analysis of the public data.
It is also £339k more expensive than the average property across the CF14 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llandaf|500 m away
- Coryton|800 m away
- Whitchurch (Cardiff)|1.0 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.












