28 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 19 Sep 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).

28 St. Stephens Mansions, Cardiff last changed hands on 3rd December 2004, selling for £172,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 3 times since 1995.

• Sold Dec 2004£172,000
• Sold Aug 2003£147,000
• Sold Aug 2003£147,000

Land Registry records and our Estate Agent network show 216 sales of comparable properties within 330 metres of 28 St. Stephens Mansions, Cardiff since 2016.

Most recently, 21, Reresby Court, Cardiff, CF10 5NR, a leasehold flat, sold at £158,250 on the 1st May 2026.

Read more about house prices in CF10.

• Sold May 2026£158,250 | 2 Bed Flat21, Reresby Court, Cardiff, CF10 5NR21, Reresby Court, Cardiff, CF10 5NR
• Sold Apr 2026£156,000 | 2 Bed Flat31, Reresby Court, Cardiff, CF10 5NR31, Reresby Court, Cardiff, CF10 5NR
• Sold Apr 2026£93,000 | 2 Bed Flat40, Reresby Court, Cardiff, CF10 5NR40, Reresby Court, Cardiff, CF10 5NR
• Sold Jan 2025£115,000 | 2 Bed Flat70, Lynton Court, Cardiff, CF10 5NG70, Lynton Court, Cardiff, CF10 5NG
• Sold Dec 2024£165,000 | 2 Bed FlatGeneva House 9, Penstone Court, Cardiff, CF10 5NLGeneva House 9, Penstone Court, Cardiff, CF10 5NL
• Sold Jul 2024£128,000 | 2 Bed FlatFlat 8, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 8, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Mar 2024£165,000 | 2 Bed FlatFlat 32, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 32, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Feb 2024£157,000 | 2 Bed Flat40, Harrowby Street, Cardiff, CF10 5GA40, Harrowby Street, Cardiff, CF10 5GA
• Sold Jan 2024£145,000 | 2 Bed Flat39, Lynton Court, Cardiff, CF10 5NF39, Lynton Court, Cardiff, CF10 5NF
• Sold Jun 2023£140,000 | 2 Bed FlatFlat 11, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 11, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Jan 2023£155,000 | 2 Bed FlatFlat 44, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 44, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Oct 2022£163,000 | 2 Bed FlatFlat 6, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 6, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Oct 2022£130,000 | 2 Bed Flat61 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ61 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Aug 2022£184,950 | 2 Bed Flat68, Judkin Court, Cardiff, CF10 5AU68, Judkin Court, Cardiff, CF10 5AU
• Sold Feb 2022£135,000 | 2 Bed Flat8 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ8 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Aug 2021£150,000 | 2 Bed Flat36, Judkin Court, Cardiff, CF10 5AU36, Judkin Court, Cardiff, CF10 5AU
• Sold Apr 2021£175,000 | 2 Bed Flat54 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ54 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Oct 2020£145,000 | 2 Bed Flat44, Lynton Court, Cardiff, CF10 5NF44, Lynton Court, Cardiff, CF10 5NF
• 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 Mar 2016£170,000 | 2 Bed Flat18 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ18 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ

Our analysis of the public data ranks 28 St. Stephens Mansions, Cardiff as the 141st largest and the 158th most expensive of the 222 addresses on Mount Stuart Square, Cardiff, CF10.

Against the CF10 postcode district average, it is £31k less expensive than the typical property.

• Cardiff Bay

  |

  200 m away
• Cardiff Central

  |

  1.3 km away
• Grangetown (Cardiff)

  |

  1.4 km away

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