According to data from HM Land Registry, Mardy House, Cardiff sits on a plot of 3,519 m².

We have plot size data on 3 out of 3 other houses in the postcode and Mardy House, Cardiff sits on the 2nd largest plot.

Mardy House, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Nov 2025.

The property is not connected to mains gas and has high performance glazing. It is heated using air source heat pump (radiators and underfloor, electric).

According to the Land Registry and our network of Estate Agents, there have been 646 property sales within 1.7 kilometres of Mardy House, Cardiff since 2008.

The most recent example is Unit 8, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EX, a leasehold flat which sold for £300,000 on the 25th April 2025.

Read more about house prices in CF3.

• Sold Apr 2025£300,000 | 2 Bed FlatUnit 8, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EXUnit 8, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EX
• Sold Dec 2024£160,000 | 3 Bed House13, Waterside Business Park, Cardiff, CF3 2ET13, Waterside Business Park, Cardiff, CF3 2ET
• Sold Oct 2024£270,000 | 3 Bed House20, Waterside Business Park, Cardiff, CF3 2ET20, Waterside Business Park, Cardiff, CF3 2ET
• Sold Sep 2024£318,000 | 3 Bed HouseSystems House, Lamby Industrial Park, Cardiff, CF3 2EXSystems House, Lamby Industrial Park, Cardiff, CF3 2EX
• Sold Apr 2024£170,000 | 2 Bed FlatUnit 2, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EXUnit 2, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EX
• Sold Feb 2024£765,000 | 5 Bed HouseMerlin House, Parkway, Cardiff, CF3 2PWMerlin House, Parkway, Cardiff, CF3 2PW
• Sold Jan 2024£178,000 | 3 Bed House4, The Avenue, Cardiff, CF3 3EG4, The Avenue, Cardiff, CF3 3EG
• Sold May 2023£542,500 | 2 Bed FlatUnit G4, Capital Point, Capital Business Park, Cardiff, CF3 2PYUnit G4, Capital Point, Capital Business Park, Cardiff, CF3 2PY
• Sold Mar 2022£275,000 | 2 Bed FlatUnit 6, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EXUnit 6, Mellyn Mair Business Centre, Lamby Industrial Park, Cardiff, CF3 2EX
• Sold Sep 2021£125,000 | 3 Bed House3, Waterside Business Park, Cardiff, CF3 2ET3, Waterside Business Park, Cardiff, CF3 2ET
• Sold Mar 2021£270,000 | 4 Bed House23, Waterside Business Park, Cardiff, CF3 2ET23, Waterside Business Park, Cardiff, CF3 2ET
• Sold Feb 2021£5,150,000 | 2 Bed FlatUnit 15, Wentloog Buildings, Wentloog Road, Cardiff, CF3 1THUnit 15, Wentloog Buildings, Wentloog Road, Cardiff, CF3 1TH
• Sold Dec 2020£138,000 | 3 Bed House15, Waterside Business Park, Cardiff, CF3 2ET15, Waterside Business Park, Cardiff, CF3 2ET
• Sold Dec 2020£6,172,900 | 2 Bed FlatUnit H2, Capital Point, Capital Business Park, Cardiff, CF3 2PUUnit H2, Capital Point, Capital Business Park, Cardiff, CF3 2PU
• Sold Jul 2020£400,000 | 5 Bed HouseMardy Farm, Mardy Road, Cardiff, CF3 2EHMardy Farm, Mardy Road, Cardiff, CF3 2EH
• Sold Feb 2020£225,000 | 5 Bed House244, New Road, Cardiff, CF3 3EF244, New Road, Cardiff, CF3 3EF
• Sold Nov 2019£675,000 | 3 Bed HouseLower Cross, Newton Road, Cardiff, CF3 2EJLower Cross, Newton Road, Cardiff, CF3 2EJ
• Sold Dec 2016£6,357,000 | 3 Bed HouseCardiff Business Technology Centre 3, Capital Business Park, Cardiff, CF3 2PXCardiff Business Technology Centre 3, Capital Business Park, Cardiff, CF3 2PX
• Sold Apr 2015£310,000 | 2 Bed FlatUnit C1, Capital Point, Capital Business Park, Cardiff, CF3 2PYUnit C1, Capital Point, Capital Business Park, Cardiff, CF3 2PY
• Sold Jan 2008£294,000 | 5 Bed House6, The Avenue, Cardiff, CF3 3EG6, The Avenue, Cardiff, CF3 3EG

Mardy Road, Rumney, Cardiff, CF3 has a total of 3 addresses. According to our analysis of all the public data, Mardy House, Cardiff is the 2nd largest and the most expensive property on the street.

When compared to the postcode district it is £343k more expensive than the average property in CF3.

• Cardiff Queen Street

  |

  4.4 km away
• Cathays

  |

  4.8 km away
• Cardiff Bay

  |

  5.1 km away

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