51 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 02 Jul 2012.

The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

According to HM Land Registry, 51 St. Stephens Mansions, Cardiff was last sold on 10th August 2007 for £199,950 and was recorded as a leasehold flat.

The property has had 2 sales since 1995.

Since August 2007, the market for similar properties has dropped by 5.0%.

• Sold Aug 2007£199,950
• Sold Jul 2003£170,000

According to the Land Registry and our network of Estate Agents, there have been 312 sales of properties similar to 51 St. Stephens Mansions, Cardiff within a radius of 330 metres since 2017.

The most recent example is 32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, a leasehold flat which sold for £200,000 on the 29th May 2026.

Read more about house prices in CF10.

• Sold May 2026£200,000 | 2 Bed Flat32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold May 2026£162,000 | 2 Bed Flat36 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ36 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Apr 2026£185,000 | 2 Bed FlatVienna House 43, Penstone Court, Cardiff, CF10 5NLVienna House 43, Penstone Court, Cardiff, CF10 5NL
• Sold Feb 2026£169,950 | 2 Bed FlatGeneva House 22, Penstone Court, Cardiff, CF10 5NLGeneva House 22, Penstone Court, Cardiff, CF10 5NL
• Sold Jan 2026£155,000 | 2 Bed Flat74, Penstone Court, Cardiff, CF10 5NN74, Penstone Court, Cardiff, CF10 5NN
• Sold Dec 2025£130,000 | 2 Bed Flat48, Lynton Court, Cardiff, CF10 5NF48, Lynton Court, Cardiff, CF10 5NF
• Sold Nov 2025£80,000 | 2 Bed Flat230, Penstone Court, Cardiff, CF10 5NQ230, Penstone Court, Cardiff, CF10 5NQ
• Sold Sep 2025£167,000 | 2 Bed Flat235, Penstone Court, Cardiff, CF10 5NQ235, Penstone Court, Cardiff, CF10 5NQ
• Sold Jul 2025£195,000 | 2 Bed Flat46 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ46 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Jun 2025£138,000 | 2 Bed Flat22, Judkin Court, Cardiff, CF10 5AU22, Judkin Court, Cardiff, CF10 5AU
• Sold Mar 2025£155,000 | 2 Bed Flat19, Judkin Court, Cardiff, CF10 5AU19, Judkin Court, Cardiff, CF10 5AU
• Sold Nov 2024£157,500 | 2 Bed Flat40, Lynton Court, Cardiff, CF10 5NF40, Lynton Court, Cardiff, CF10 5NF
• Sold Jan 2023£162,000 | 2 Bed Flat59, Lynton Court, Cardiff, CF10 5NF59, Lynton Court, Cardiff, CF10 5NF
• Sold Jul 2022£141,000 | 2 Bed Flat49, Lynton Court, Cardiff, CF10 5NF49, Lynton Court, Cardiff, CF10 5NF
• Sold Jun 2022£133,750 | 2 Bed Flat65, Lynton Court, Cardiff, CF10 5NG65, Lynton Court, Cardiff, CF10 5NG
• Sold Nov 2021£178,000 | 2 Bed Flat40 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ40 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold May 2020£185,000 | 2 Bed Flat67 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ67 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Dec 2019£180,000 | 2 Bed Flat44 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ44 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Sep 2017£170,000 | 2 Bed Flat55 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ55 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Sep 2017£172,000 | 2 Bed Flat16 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ16 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ

Mount Stuart Square, Cardiff, CF10 has a total of 222 addresses. According to our analysis of all the public data, 51 St. Stephens Mansions, Cardiff is the 96th largest and the 75th most expensive property on the street.

When compared to the postcode district it is £21k less expensive than the average property in CF10.

• Cardiff Bay

  |

  200 m away
• Cardiff Central

  |

  1.3 km away
• Grangetown (Cardiff)

  |

  1.4 km away

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