Our Data Sources
1, Heol Gwilym, Cardiff has 21 entries in the Land Registry, most recently in February 2025 and a single entry in the EPC database dated March 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 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 Gwilym, Cardiff, we estimate a market value of £348,705 and a rental value of £1,921 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £308,853 and £1,702 per month respectively.
Plot Size
HM Land Registry records the plot of land for 1, Heol Gwilym, Cardiff as measuring 306 m2.
That makes it the 6th largest plot in the postcode, where 23 of the 24 other houses have recorded plot data.
Energy Efficiency
1, Heol Gwilym, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Mar 2024.
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 Gwilym, Cardiff completed on 10th February 2025 at £335,000 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 18.4% over the period since February 2025.
- Sold Feb 2025£335,000
- Sold Nov 2002£98,500
Similar Properties Sold Nearby
Since 2010 43 properties similar to 1, Heol Gwilym, Cardiff have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 27th February 2026, was 20, Reardon Smith Court, Cardiff, CF5 3JD, a freehold house which sold for £350,000.
Read more about house prices in CF5.
- Sold Feb 2026£350,000 | 4 Bed House20, Reardon Smith Court, Cardiff, CF5 3JD20, Reardon Smith Court, Cardiff, CF5 3JD
- Sold Dec 2025£335,000 | 4 Bed House1, Mccale Avenue, Cardiff, CF5 3HY1, Mccale Avenue, Cardiff, CF5 3HY
- Sold Nov 2025£355,000 | 4 Bed House139, Pwllmelin Road, Cardiff, CF5 3QB139, Pwllmelin Road, Cardiff, CF5 3QB
- Sold Nov 2025£292,000 | 4 Bed House18, Perrots Close, Cardiff, CF5 3HZ18, Perrots Close, Cardiff, CF5 3HZ
- Sold Jul 2025£330,000 | 4 Bed House37, Reardon Smith Court, Cardiff, CF5 3JD37, Reardon Smith Court, Cardiff, CF5 3JD
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 £285,993, ranging from £259,599 to £329,815.
- 3 Heol Gwilym
4 Bed House | 10 m | Est. Value: £329,815
- 8 Ferrier Avenue
4 Bed House | 17 m | Est. Value: £264,598
- 5 Heol Gwilym
3 Bed House | 20 m | Est. Value: £282,832
- 10 Ferrier Avenue
4 Bed House | 20 m | Est. Value: £295,224
- 7 Heol Gwilym
4 Bed House | 28 m | Est. Value: £294,496
Location Comparison
Of the 24 addresses on Heol Gwilym, Cardiff, CF5, 1, Heol Gwilym, Cardiff comes out as the largest and the most expensive in our analysis of the public data.
It is also £38k more expensive than the average property across the CF5 district.
More reading links
Schools Nearby
Public Transport Nearby
- Fairwater|500 m away
- Danescourt|800 m away
- Waun-Gron Park|1.1 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.












