Our Data Sources
12, Grenville Road, Cardiff has 41 entries in the Land Registry, most recently in May 2026 and a single entry in the EPC database dated January 2026.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 12, Grenville Road, Cardiff is in very good condition we estimate a sale value of £507,094 and a rental value of £1,639 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £449,140 and a rental value of £1,452 per month.
Plot Size
According to data from HM Land Registry, 12, Grenville Road, Cardiff sits on a plot of 138 m2.
We have plot size data on 11 out of 12 other houses in the postcode and 12, Grenville Road, Cardiff sits on the 4th largest plot.
Energy Efficiency
12, Grenville Road, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Jan 2026.
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
According to HM Land Registry, 12, Grenville Road, Cardiff was last sold on 11th May 2026 for £500,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since May 2026, the market for similar properties has dropped by 5.6%.
- Sold May 2026£500,000
- Sold Apr 2015£306,000
- Sold Jun 2012£265,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 253 sales of properties similar to 12, Grenville Road, Cardiff within a radius of 400 metres since 2014.
The most recent example is 40, Stallcourt Avenue, Cardiff, CF23 5AN, a freehold house which sold for £475,000 on the 12th June 2026.
Read more about house prices in CF23.
- Sold Jun 2026£475,000 | 4 Bed House40, Stallcourt Avenue, Cardiff, CF23 5AN40, Stallcourt Avenue, Cardiff, CF23 5AN
- Sold Jan 2026£440,000 | 4 Bed House152, Kimberley Road, Cardiff, CF23 5AF152, Kimberley Road, Cardiff, CF23 5AF
- Sold Jan 2026£455,000 | 4 Bed House122, Kimberley Road, Cardiff, CF23 5AF122, Kimberley Road, Cardiff, CF23 5AF
- Sold Nov 2025£355,000 | 4 Bed House49, Deri Road, Cardiff, CF23 5AH49, Deri Road, Cardiff, CF23 5AH
- Sold Nov 2025£350,000 | 4 Bed House27, Amesbury Road, Cardiff, CF23 5DW27, Amesbury Road, Cardiff, CF23 5DW
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 £482,684, ranging from £258,584 to £701,104.
- 8 Grenville Road
4 Bed House | 9 m | Est. Value: £509,458
- 6 Grenville Road
4 Bed House | 14 m | Est. Value: £478,418
- 4 Grenville Road
4 Bed House | 20 m | Est. Value: £531,067
- 46 Sandringham Road
4 Bed House | 23 m | Est. Value: £681,889
- 2 Grenville Road
4 Bed House | 24 m | Est. Value: £523,335
Location Comparison
Grenville Road, Cardiff, CF23 has a total of 12 addresses. According to our analysis of all the public data, 12, Grenville Road, Cardiff is the 7th largest and the 7th most expensive property on the street.
When compared to the postcode district it is £119k more expensive than the average property in CF23.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|1.6 km away
- Cardiff Queen Street|1.6 km away
- Cardiff Central|2.5 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












