According to data from HM Land Registry, 18, Walnut Tree Close, Cardiff sits on a plot of 453 m².

We have plot size data on 23 out of 23 other houses in the postcode and 18, Walnut Tree Close, Cardiff sits on the 8th largest plot.

18, Walnut Tree Close, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 May 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).

According to HM Land Registry, 18, Walnut Tree Close, Cardiff was last sold on 9th August 2013 for £265,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since August 2013, the market for similar properties has risen by 60.9%.

• Sold Aug 2013£265,000
• Sold Sep 2009£235,000

According to the Land Registry and our network of Estate Agents, there have been 209 sales of properties similar to 18, Walnut Tree Close, Cardiff within a radius of 1.2 kilometres since 2018.

The most recent example is 23, Pine Tree Close, Cardiff, CF15 8RQ, a freehold house which sold for £368,000 on the 19th February 2026.

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 Jan 2026£405,000 | 3 Bed House2, Coed Y Llyn, Cardiff, CF15 8RF2, Coed Y Llyn, Cardiff, CF15 8RF
• Sold Nov 2025£310,000 | 3 Bed House39, Pentwyn, Cardiff, CF15 8RE39, 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
• Sold Sep 2023£410,000 | 4 Bed House1, Coed Y Llyn, Cardiff, CF15 8RF1, Coed Y Llyn, Cardiff, CF15 8RF
• Sold Aug 2023£455,000 | 4 Bed House22, Pine Tree Close, Cardiff, CF15 8RQ22, Pine Tree Close, Cardiff, CF15 8RQ
• Sold Apr 2022£375,000 | 3 Bed House14, Maple Tree Close, Cardiff, CF15 8RU14, Maple Tree Close, Cardiff, CF15 8RU
• Sold Jun 2021£335,000 | 4 Bed House46, Hazel Tree Close, Cardiff, CF15 8RS46, Hazel Tree Close, Cardiff, CF15 8RS
• Sold Apr 2021£318,000 | 4 Bed House42, Hazel Tree Close, Cardiff, CF15 8RS42, Hazel Tree Close, Cardiff, CF15 8RS
• Sold Feb 2021£340,000 | 4 Bed House11, Pine Tree Close, Cardiff, CF15 8RQ11, Pine Tree Close, Cardiff, CF15 8RQ
• Sold Oct 2020£332,500 | 4 Bed House5, Pine Tree Close, Cardiff, CF15 8RQ5, Pine Tree Close, Cardiff, CF15 8RQ
• Sold Feb 2020£284,000 | 3 Bed House3, Ash Tree Close, Cardiff, CF15 8RX3, Ash Tree Close, Cardiff, CF15 8RX
• Sold Nov 2019£325,000 | 4 Bed House20, Sycamore Tree Close, Cardiff, CF15 8RT20, Sycamore Tree Close, Cardiff, CF15 8RT
• Sold Dec 2018£330,000 | 4 Bed House50, Pentwyn, Cardiff, CF15 8RE50, Pentwyn, Cardiff, CF15 8RE
• Sold Nov 2018£292,000 | 3 Bed House17, Sycamore Tree Close, Cardiff, CF15 8RT17, Sycamore Tree Close, Cardiff, CF15 8RT
• Sold May 2018£263,500 | 4 Bed House60, Hazel Tree Close, Cardiff, CF15 8RS60, Hazel Tree Close, Cardiff, CF15 8RS
• Sold May 2018£295,000 | 4 Bed House4, Sycamore Tree Close, Cardiff, CF15 8RT4, Sycamore Tree Close, Cardiff, CF15 8RT
• Sold Mar 2018£275,000 | 3 Bed House4, Maple Tree Close, Cardiff, CF15 8RU4, Maple Tree Close, Cardiff, CF15 8RU

Walnut Tree Close, Radyr, Cardiff, CF15 has a total of 23 addresses. According to our analysis of all the public data, 18, Walnut Tree Close, Cardiff is the 20th largest and the 13th most expensive property on the street.

When compared to the postcode district it is £28k more expensive than the average property in CF15.

• Radyr

  |

  1.4 km away
• Taffs Well

  |

  2.2 km away
• Coryton

  |

  2.4 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.