18, Duncan Close, Cardiff occupies a 254 m² plot as recorded by HM Land Registry.

All 26 other houses in this postcode have recorded plot sizes, and this one ranks as the 7th largest.

18, Duncan Close, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Aug 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

18, Duncan Close, Cardiff last changed hands on 28th February 2014, selling for £145,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 82.0% since February 2014.

• Sold Feb 2014£145,500
• Sold Nov 1996£49,500

Land Registry records and our Estate Agent network show 72 sales of comparable properties within 510 metres of 18, Duncan Close, Cardiff since 2016.

Most recently, 1, Duncan Close, Cardiff, CF3 1NP, a freehold house, sold at £240,000 on the 24th October 2025.

Read more about house prices in CF3.

• Sold Oct 2025£240,000 | 3 Bed House1, Duncan Close, Cardiff, CF3 1NP1, Duncan Close, Cardiff, CF3 1NP
• Sold Aug 2025£250,000 | 3 Bed House2, Duncan Close, Cardiff, CF3 1NP2, Duncan Close, Cardiff, CF3 1NP
• Sold Jul 2025£265,000 | 3 Bed House10, Duncan Close, Cardiff, CF3 1NP10, Duncan Close, Cardiff, CF3 1NP
• Sold Mar 2025£160,000 | 3 Bed House42, Meadvale Road, Cardiff, CF3 1UG42, Meadvale Road, Cardiff, CF3 1UG
• Sold Feb 2025£245,000 | 3 Bed House11, Chapel Row, Cardiff, CF3 5UB11, Chapel Row, Cardiff, CF3 5UB
• Sold Sep 2024£212,500 | 3 Bed House19, Duncan Close, Cardiff, CF3 1NP19, Duncan Close, Cardiff, CF3 1NP
• Sold Jul 2024£205,000 | 3 Bed House49, Meadvale Road, Cardiff, CF3 1UG49, Meadvale Road, Cardiff, CF3 1UG
• Sold Apr 2024£290,000 | 3 Bed House13, Canopus Close, Cardiff, CF3 1NR13, Canopus Close, Cardiff, CF3 1NR
• Sold Feb 2024£205,000 | 3 Bed House43, Meadvale Road, Cardiff, CF3 1UG43, Meadvale Road, Cardiff, CF3 1UG
• Sold Nov 2023£185,000 | 3 Bed House2 Meadvale Court, Meadvale Road, Cardiff, CF3 1UG2 Meadvale Court, Meadvale Road, Cardiff, CF3 1UG
• Sold Mar 2023£233,000 | 3 Bed House8, Canopus Close, Cardiff, CF3 1NR8, Canopus Close, Cardiff, CF3 1NR
• Sold Aug 2022£240,000 | 3 Bed House384, Greenway Road, Cardiff, CF3 1QS384, Greenway Road, Cardiff, CF3 1QS
• Sold Oct 2021£215,000 | 3 Bed House25, Canopus Close, Cardiff, CF3 1NR25, Canopus Close, Cardiff, CF3 1NR
• Sold Jun 2021£215,000 | 3 Bed House9, Canopus Close, Cardiff, CF3 1NR9, Canopus Close, Cardiff, CF3 1NR
• Sold Feb 2020£160,000 | 3 Bed House3 Meadvale Court, Meadvale Road, Cardiff, CF3 1UG3 Meadvale Court, Meadvale Road, Cardiff, CF3 1UG
• Sold Jul 2019£179,000 | 3 Bed House8, Duncan Close, Cardiff, CF3 1NP8, Duncan Close, Cardiff, CF3 1NP
• Sold Feb 2019£183,000 | 3 Bed House26, Duncan Close, Cardiff, CF3 1NP26, Duncan Close, Cardiff, CF3 1NP
• Sold Sep 2017£170,000 | 3 Bed House5, Duncan Close, Cardiff, CF3 1NP5, Duncan Close, Cardiff, CF3 1NP
• Sold May 2016£133,000 | 3 Bed House17, Duncan Close, Cardiff, CF3 1NP17, Duncan Close, Cardiff, CF3 1NP
• Sold Mar 2016£160,000 | 3 Bed House6, Duncan Close, Cardiff, CF3 1NP6, Duncan Close, Cardiff, CF3 1NP

Our analysis of the public data ranks 18, Duncan Close, Cardiff as the 14th largest and the 14th most expensive of the 26 addresses on Duncan Close, St. Mellons, Cardiff, CF3.

Against the CF3 postcode district average, it is £25k less expensive than the typical property.

• Heath High Level

  |

  4.7 km away
• Heath Low Level

  |

  4.8 km away
• Llanishen

  |

  4.9 km away

Environment Agency data suggests this area has a Very Low risk of flooding.