Our Data Sources
9, Castle Avenue, Cardiff has 31 entries in the Land Registry, most recently in January 2008 and a single entry in the EPC database dated November 2010.
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.
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 9, Castle Avenue, Cardiff, we estimate a market value of £266,085 and a rental value of £1,391 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £235,675 and £1,232 per month respectively.
Plot Size
HM Land Registry records the plot of land for 9, Castle Avenue, Cardiff as measuring 169 m2.
That makes it the 12th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
9, Castle Avenue, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 09 Nov 2010.
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 9, Castle Avenue, Cardiff completed on 16th January 2008 at £178,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 41.0% over the period since January 2008.
- Sold Jan 2008£178,000
- Sold Mar 2000£69,000
- Sold Oct 1995£49,250
Similar Properties Sold Nearby
Since 2009 126 properties similar to 9, Castle Avenue, Cardiff have sold within a radius of 830 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th December 2025, was 60, Ty Mawr Road, Cardiff, CF3 3BT, a freehold house which sold for £300,000.
Read more about house prices in CF3.
- Sold Dec 2025£300,000 | 3 Bed House60, Ty Mawr Road, Cardiff, CF3 3BT60, Ty Mawr Road, Cardiff, CF3 3BT
- Sold Dec 2025£251,000 | 3 Bed House148, New Road, Cardiff, CF3 3AE148, New Road, Cardiff, CF3 3AE
- Sold Nov 2025£280,000 | 3 Bed House5, Northlands, Cardiff, CF3 3AQ5, Northlands, Cardiff, CF3 3AQ
- Sold Jul 2025£260,000 | 3 Bed House32, New Road, Cardiff, CF3 3AA32, New Road, Cardiff, CF3 3AA
- Sold Aug 2024£270,000 | 3 Bed House4, Ty Mawr Avenue, Cardiff, CF3 3AF4, Ty Mawr Avenue, Cardiff, CF3 3AF
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 £256,594, ranging from £127,951 to £365,284.
- 7 Castle Avenue
3 Bed House | 5 m | Est. Value: £265,633
- 5 Castle Avenue
4 Bed House | 9 m | Est. Value: £280,500
- 3 Castle Avenue
3 Bed House | 16 m | Est. Value: £244,912
- 1 Castle Avenue
3 Bed House | 21 m | Est. Value: £245,025
- 12 Castle Avenue
3 Bed House | 22 m | Est. Value: £237,580
Location Comparison
Of the 13 addresses on Castle Avenue, Rumney, Cardiff, CF3, 9, Castle Avenue, Cardiff comes out as the 4th largest and the 6th most expensive in our analysis of the public data.
It is also £4k less expensive than the average property across the CF3 district.
More reading links
Schools Nearby
Public Transport Nearby
- Cathays|3.1 km away
- Cardiff Queen Street|3.1 km away
- Heath Low Level|3.3 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.
