34, Mardy Street, Cardiff occupies a 130 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 32nd largest.

34, Mardy Street, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Dec 2023.

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

34, Mardy Street, Cardiff last changed hands on 28th November 2025, selling for £295,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 24.0% since November 2025.

• Sold Nov 2025£295,000

Land Registry records and our Estate Agent network show 75 sales of comparable properties within 360 metres of 34, Mardy Street, Cardiff since 2015.

Most recently, 55, Dorset Street, Cardiff, CF11 6PT, a freehold house, sold at £262,500 on the 28th November 2025.

Read more about house prices in CF11.

• Sold Nov 2025£262,500 | 3 Bed House55, Dorset Street, Cardiff, CF11 6PT55, Dorset Street, Cardiff, CF11 6PT
• 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 Aug 2024£221,000 | 3 Bed House2, Chester Place, Cardiff, CF11 6PX2, Chester Place, Cardiff, CF11 6PX
• Sold Jul 2024£250,000 | 4 Bed House8, Hafod Street, Cardiff, CF11 6RA8, Hafod Street, Cardiff, CF11 6RA
• Sold Jun 2024£255,000 | 3 Bed House30, Hafod Street, Cardiff, CF11 6RB30, Hafod Street, Cardiff, CF11 6RB
• Sold Feb 2024£242,500 | 3 Bed House12, Chester Place, Cardiff, CF11 6PX12, Chester Place, Cardiff, CF11 6PX
• 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 Nov 2022£300,000 | 3 Bed House17, Hafod Street, Cardiff, CF11 6RA17, Hafod Street, Cardiff, CF11 6RA
• Sold Jun 2022£280,000 | 3 Bed House66, Mardy Street, Cardiff, CF11 6QU66, Mardy Street, Cardiff, CF11 6QU
• Sold Oct 2021£325,000 | 3 Bed House56, Mardy Street, Cardiff, CF11 6QU56, Mardy Street, Cardiff, CF11 6QU
• Sold Oct 2020£310,000 | 3 Bed House21, Hafod Street, Cardiff, CF11 6RB21, Hafod Street, Cardiff, CF11 6RB
• Sold Apr 2020£180,000 | 3 Bed House27, Mardy Street, Cardiff, CF11 6QU27, Mardy Street, Cardiff, CF11 6QU
• Sold May 2019£308,000 | 3 Bed House33, Mardy Street, Cardiff, CF11 6QU33, Mardy Street, Cardiff, CF11 6QU
• Sold May 2019£277,500 | 3 Bed House45, Mardy Street, Cardiff, CF11 6QU45, Mardy Street, Cardiff, CF11 6QU
• Sold Dec 2018£271,000 | 3 Bed House31, Mardy Street, Cardiff, CF11 6QU31, Mardy Street, Cardiff, CF11 6QU
• Sold Jan 2018£220,000 | 3 Bed House38, Mardy Street, Cardiff, CF11 6QU38, Mardy Street, Cardiff, CF11 6QU
• Sold Apr 2015£185,000 | 3 Bed House23, Mardy Street, Cardiff, CF11 6QU23, Mardy Street, Cardiff, CF11 6QU

Our analysis of the public data ranks 34, Mardy Street, Cardiff as the 80th largest and the 47th most expensive of the 116 addresses on Mardy Street, Cardiff, CF11.

Against the CF11 postcode district average, it is £41k 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.