Our Data Sources
21, Walnut Tree Close, Cardiff has 21 entries in the Land Registry, most recently in September 2010 and a single entry in the EPC database dated April 2010.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 21, Walnut Tree Close, Cardiff, we estimate a market value of £422,469 and a rental value of £2,127 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £374,187 and £1,884 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Walnut Tree Close, Cardiff as measuring 298 m2.
That makes it the 18th largest plot in the postcode, where all 23 other houses have recorded plot data.
Energy Efficiency
21, Walnut Tree Close, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 26 Apr 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 21, Walnut Tree Close, Cardiff completed on 13th September 2010 at £240,000 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 65.2% over the period since September 2010.
- Sold Sep 2010£240,000
- Sold Mar 2003£183,000
Similar Properties Sold Nearby
Since 2016 160 properties similar to 21, Walnut Tree Close, Cardiff have sold within a radius of 1.2 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 19th February 2026, was 23, Pine Tree Close, Cardiff, CF15 8RQ, a freehold house which sold for £368,000.
Read more about house prices in CF15.
- Sold Feb 2026£368,000 | 4 Bed House23, Pine Tree Close, Cardiff, CF15 8RQ23, Pine Tree Close, Cardiff, CF15 8RQ
- Sold Oct 2025£485,000 | 4 Bed House40, Pentwyn, Cardiff, CF15 8RE40, Pentwyn, Cardiff, CF15 8RE
- Sold Sep 2024£392,000 | 4 Bed House7, Hazel Tree Close, Cardiff, CF15 8RS7, Hazel Tree Close, Cardiff, CF15 8RS
- Sold Sep 2024£387,000 | 4 Bed House2, Maple Tree Close, Cardiff, CF15 8RU2, Maple Tree Close, Cardiff, CF15 8RU
- Sold May 2024£380,000 | 4 Bed House36, Pentwyn, Cardiff, CF15 8RE36, Pentwyn, Cardiff, CF15 8RE
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 £455,008, ranging from £419,733 to £489,467.
- 25 Walnut Tree Close
4 Bed House | 18 m | Est. Value: £466,974
- 23 Walnut Tree Close
4 Bed House | 20 m | Est. Value: £474,440
- 30 Bryn Rhosyn
4 Bed House | 38 m | Est. Value: £489,467
- 10 Blaen-Y-Coed
4 Bed House | 44 m | Est. Value: £425,999
- 28 Bryn Rhosyn
4 Bed House | 50 m | Est. Value: £437,174
Location Comparison
Of the 23 addresses on Walnut Tree Close, Radyr, Cardiff, CF15, 21, Walnut Tree Close, Cardiff comes out as the 11th largest and the 17th most expensive in our analysis of the public data.
It is also £11k more expensive than the average property across the CF15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Radyr|1.4 km away
- Taffs Well|2.2 km away
- Coryton|2.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












