45, Mardy Street, Cardiff occupies a 139 m² plot as recorded by HM Land Registry.

Of the 38 other houses in this postcode, 37 have recorded plot sizes, and this one ranks as the 18th largest.

45, Mardy Street, Cardiff has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 18 Mar 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

45, Mardy Street, Cardiff last changed hands on 17th May 2019, selling for £277,500. 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 52.3% since May 2019.

• Sold May 2019£277,500
• Sold Jul 2015£180,000

Land Registry records and our Estate Agent network show 103 sales of comparable properties within 380 metres of 45, Mardy Street, Cardiff since 2018.

Most recently, 57, Mardy Street, Cardiff, CF11 6QW, a freehold house, sold at £320,000 on the 9th February 2026.

Read more about house prices in CF11.

• Sold Feb 2026£320,000 | 4 Bed House57, Mardy Street, Cardiff, CF11 6QW57, Mardy Street, Cardiff, CF11 6QW
• Sold Dec 2025£270,000 | 3 Bed House25, Ferndale Street, Cardiff, CF11 7AZ25, Ferndale Street, Cardiff, CF11 7AZ
• Sold Nov 2025£295,000 | 3 Bed House34, Mardy Street, Cardiff, CF11 6QU34, Mardy Street, Cardiff, CF11 6QU
• Sold Nov 2025£262,500 | 3 Bed House55, Dorset Street, Cardiff, CF11 6PT55, Dorset Street, Cardiff, CF11 6PT
• Sold Jul 2025£275,000 | 4 Bed House39, Ferndale Street, Cardiff, CF11 7AZ39, Ferndale Street, Cardiff, CF11 7AZ
• Sold May 2025£287,500 | 3 Bed House34, Hafod Street, Cardiff, CF11 6RB34, Hafod Street, Cardiff, CF11 6RB
• Sold Jan 2025£270,500 | 3 Bed House37, Mardy Street, Cardiff, CF11 6QU37, Mardy Street, Cardiff, CF11 6QU
• Sold Jul 2024£250,000 | 4 Bed House8, Hafod Street, Cardiff, CF11 6RA8, Hafod Street, Cardiff, CF11 6RA
• Sold Jun 2024£281,000 | 4 Bed House37, Pentre Street, Cardiff, CF11 6QX37, Pentre Street, Cardiff, CF11 6QX
• Sold Jun 2024£255,000 | 3 Bed House30, Hafod Street, Cardiff, CF11 6RB30, Hafod Street, Cardiff, CF11 6RB
• Sold Dec 2023£348,000 | 4 Bed House11, Hafod Street, Cardiff, CF11 6RA11, Hafod Street, Cardiff, CF11 6RA
• Sold Sep 2023£240,000 | 4 Bed House15, Hafod Street, Cardiff, CF11 6RA15, Hafod Street, Cardiff, CF11 6RA
• Sold Feb 2023£340,000 | 4 Bed House68, Mardy Street, Cardiff, CF11 6QU68, Mardy Street, Cardiff, CF11 6QU
• Sold Jan 2023£380,000 | 4 Bed House43, Pentre Street, Cardiff, CF11 6QX43, Pentre Street, Cardiff, CF11 6QX
• Sold Jan 2022£295,000 | 4 Bed House82, Mardy Street, Cardiff, CF11 6QW82, Mardy Street, Cardiff, CF11 6QW
• Sold Oct 2021£325,000 | 3 Bed House56, Mardy Street, Cardiff, CF11 6QU56, Mardy Street, Cardiff, CF11 6QU
• Sold Feb 2021£280,000 | 4 Bed House27, Pentre Street, Cardiff, CF11 6QX27, Pentre Street, Cardiff, CF11 6QX
• Sold Oct 2020£310,000 | 3 Bed House21, Hafod Street, Cardiff, CF11 6RB21, Hafod Street, Cardiff, CF11 6RB
• Sold May 2019£308,000 | 3 Bed House33, Mardy Street, Cardiff, CF11 6QU33, Mardy Street, Cardiff, CF11 6QU
• Sold Dec 2018£271,000 | 3 Bed House31, Mardy Street, Cardiff, CF11 6QU31, Mardy Street, Cardiff, CF11 6QU

Our analysis of the public data ranks 45, Mardy Street, Cardiff as the 71st largest and the 39th most expensive of the 116 addresses on Mardy Street, Cardiff, CF11.

Against the CF11 postcode district average, it is £47k more expensive than the typical property.

• Cardiff Central

  |

  600 m away
• Grangetown (Cardiff)

  |

  700 m away
• Ninian Park

  |

  1.1 km away

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