Our Data Sources
4, Castle Avenue, Cardiff has 31 entries in the Land Registry, most recently in March 2014 and a single entry in the EPC database dated July 2013.
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
In very good condition, we estimate 4, Castle Avenue, Cardiff would be worth £260,403, with a potential rental value of £1,391 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £230,643, with a rental value of £1,232 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Castle Avenue, Cardiff occupies a 197 m2 plot as recorded by HM Land Registry.
All 13 other houses in this postcode have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
4, Castle Avenue, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 22 Jul 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
4, Castle Avenue, Cardiff last changed hands on 21st March 2014, selling for £167,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 42.0% since March 2014.
- Sold Mar 2014£167,000
- Sold Jan 2007£168,000
- Sold Oct 2003£128,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 120 sales of comparable properties within 830 metres of 4, Castle Avenue, Cardiff since 2009.
Most recently, 60, Ty Mawr Road, Cardiff, CF3 3BT, a freehold house, sold at £300,000 on the 19th December 2025.
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£280,000 | 3 Bed House6, Brachdy Lane, Cardiff, CF3 3AS6, Brachdy Lane, Cardiff, CF3 3AS
- 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 Sep 2025£250,000 | 3 Bed House71, Wentloog Road, Cardiff, CF3 3HD71, Wentloog Road, Cardiff, CF3 3HD
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 £250,940, ranging from £127,951 to £308,205.
- 6 Castle Avenue
3 Bed House | 9 m | Est. Value: £267,444
- 8 Castle Avenue
3 Bed House | 13 m | Est. Value: £243,464
- 1 Castle Avenue
3 Bed House | 23 m | Est. Value: £245,025
- 12 Castle Avenue
3 Bed House | 24 m | Est. Value: £237,580
- 615 Newport Road
3 Bed House | 24 m | Est. Value: £284,681
Location Comparison
Our analysis of the public data ranks 4, Castle Avenue, Cardiff as the 11th largest and the 8th most expensive of the 13 addresses on Castle Avenue, Rumney, Cardiff, CF3.
Against the CF3 postcode district average, it is £10k less expensive than the typical property.
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
