According to data from HM Land Registry, 46, Mardy Street, Cardiff sits on a plot of 134 m².

We have plot size data on 37 out of 38 other houses in the postcode and 46, Mardy Street, Cardiff sits on the 26th largest plot.

46, Mardy Street, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 23 Jul 2014.

The property is 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, 46, Mardy Street, Cardiff was last sold on 20th August 1999 for £60,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

• Sold Aug 1999£60,000

According to the Land Registry and our network of Estate Agents, there have been 47 sales of properties similar to 46, Mardy Street, Cardiff within a radius of 350 metres since 2010.

The most recent example is 51, Ferndale Street, Cardiff, CF11 7AZ, a freehold house which sold for £397,500 on the 10th December 2025.

Read more about house prices in CF11.

• Sold Dec 2025£397,500 | 4 Bed House51, Ferndale Street, Cardiff, CF11 7AZ51, Ferndale Street, Cardiff, CF11 7AZ
• Sold Sep 2025£310,000 | 4 Bed House41, Clare Road, Cardiff, CF11 6QP41, Clare Road, Cardiff, CF11 6QP
• Sold Apr 2025£350,000 | 5 Bed House4, Dinas Street, Cardiff, CF11 6QY4, Dinas Street, Cardiff, CF11 6QY
• Sold Feb 2025£190,000 | 4 Bed House126, Mardy Street, Cardiff, CF11 6QW126, Mardy Street, Cardiff, CF11 6QW
• Sold Jan 2025£265,000 | 4 Bed House77, Mardy Street, Cardiff, CF11 6QW77, Mardy Street, Cardiff, CF11 6QW
• Sold Sep 2024£161,500 | 5 Bed House8, Blaenclydach Street, Cardiff, CF11 7BB8, Blaenclydach Street, Cardiff, CF11 7BB
• 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£340,000 | 4 Bed House3, Hafod Street, Cardiff, CF11 6RA3, Hafod Street, Cardiff, CF11 6RA
• Sold Jun 2024£350,000 | 4 Bed House13, Blaenclydach Street, Cardiff, CF11 7BB13, Blaenclydach Street, Cardiff, CF11 7BB
• Sold Dec 2023£348,000 | 4 Bed House11, Hafod Street, Cardiff, CF11 6RA11, Hafod Street, Cardiff, CF11 6RA
• Sold Feb 2023£340,000 | 4 Bed House68, Mardy Street, Cardiff, CF11 6QU68, Mardy Street, Cardiff, CF11 6QU
• Sold Feb 2023£317,500 | 4 Bed House30, Mardy Street, Cardiff, CF11 6QU30, Mardy Street, Cardiff, CF11 6QU
• Sold Jan 2023£380,000 | 4 Bed House43, Pentre Street, Cardiff, CF11 6QX43, Pentre Street, Cardiff, CF11 6QX
• Sold Oct 2021£320,000 | 4 Bed House14, Hafod Street, Cardiff, CF11 6RA14, Hafod Street, Cardiff, CF11 6RA
• Sold Jun 2021£325,000 | 5 Bed House83, Mardy Street, Cardiff, CF11 6QW83, Mardy Street, Cardiff, CF11 6QW
• Sold Feb 2021£280,000 | 4 Bed House27, Pentre Street, Cardiff, CF11 6QX27, Pentre Street, Cardiff, CF11 6QX
• Sold Jun 2018£220,000 | 4 Bed House57, Pentre Street, Cardiff, CF11 6QX57, Pentre Street, Cardiff, CF11 6QX
• Sold Apr 2018£240,000 | 4 Bed House60, Mardy Street, Cardiff, CF11 6QU60, Mardy Street, Cardiff, CF11 6QU
• Sold Apr 2010£180,000 | 4 Bed House52, Mardy Street, Cardiff, CF11 6QU52, Mardy Street, Cardiff, CF11 6QU

Mardy Street, Cardiff, CF11 has a total of 116 addresses. According to our analysis of all the public data, 46, Mardy Street, Cardiff is the 18th largest and the 4th most expensive property on the street.

When compared to the postcode district it is £89k more expensive than the average property in CF11.

• Cardiff Central

  |

  600 m away
• Grangetown (Cardiff)

  |

  700 m away
• Ninian Park

  |

  1.1 km away

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