3 St. James Mansions, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Aug 2012.

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

The most recent sale of 3 St. James Mansions, Cardiff completed on 21st June 2002 at £75,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 this is the property's only sale.

Since 2007 62 properties similar to 3 St. James Mansions, Cardiff have sold within a radius of 340 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 15th May 2026, was 26, Soudrey Way, Cardiff, CF10 5FW, a leasehold flat which sold for £103,500.

Read more about house prices in CF10.

• Sold May 2026£103,500 | 1 Bed Flat26, Soudrey Way, Cardiff, CF10 5FW26, Soudrey Way, Cardiff, CF10 5FW
• Sold Sep 2025£122,000 | 1 Bed Flat25, Carlotta Way, Cardiff, CF10 5FY25, Carlotta Way, Cardiff, CF10 5FY
• Sold Mar 2024£2,940,000 | 1 Bed FlatFlat 1, St. Line House 60, Mount Stuart Square, Cardiff, CF10 5LYFlat 1, St. Line House 60, Mount Stuart Square, Cardiff, CF10 5LY
• Sold Apr 2023£620,000 | 1 Bed FlatFlat 1, Hunters Lodge 7, Hunter Street, Cardiff, CF10 5GXFlat 1, Hunters Lodge 7, Hunter Street, Cardiff, CF10 5GX
• Sold May 2022£119,000 | 1 Bed Flat42, Soudrey Way, Cardiff, CF10 5FW42, Soudrey Way, Cardiff, CF10 5FW
• Sold Feb 2021£112,000 | 1 Bed FlatApartment 26, Dixie, Bute Street, Cardiff, CF10 5EAApartment 26, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Aug 2020£125,000 | 1 Bed FlatFlat 3, Marine House, Mount Stuart Square, Cardiff, CF10 5DPFlat 3, Marine House, Mount Stuart Square, Cardiff, CF10 5DP
• Sold Mar 2020£115,000 | 1 Bed Flat8, Carlotta Way, Cardiff, CF10 5FY8, Carlotta Way, Cardiff, CF10 5FY
• Sold Aug 2019£105,000 | 1 Bed Flat76, Heol Staughton, Cardiff, CF10 5FS76, Heol Staughton, Cardiff, CF10 5FS
• Sold Mar 2019£103,000 | 1 Bed FlatApartment 15, Dixie, Bute Street, Cardiff, CF10 5EAApartment 15, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Jul 2018£120,000 | 1 Bed FlatApartment 20, Dixie, Bute Street, Cardiff, CF10 5EAApartment 20, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Jul 2018£120,000 | 1 Bed FlatApartment 43, Dixie, Bute Street, Cardiff, CF10 5EAApartment 43, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Jun 2018£118,000 | 1 Bed FlatApartment 13, Dixie, Bute Street, Cardiff, CF10 5EAApartment 13, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Nov 2017£125,000 | 1 Bed FlatApartment 8, Dixie, Bute Street, Cardiff, CF10 5EAApartment 8, Dixie, Bute Street, Cardiff, CF10 5EA
• Sold Aug 2014£110,000 | 1 Bed Flat22 St. James Mansions, Mount Stuart Square, Cardiff, CF10 5LG22 St. James Mansions, Mount Stuart Square, Cardiff, CF10 5LG
• Sold Mar 2010£90,000 | 1 Bed Flat48, Heol Staughton, Cardiff, CF10 5FS48, Heol Staughton, Cardiff, CF10 5FS
• Sold Mar 2010£90,000 | 1 Bed Flat47, Heol Staughton, Cardiff, CF10 5FS47, Heol Staughton, Cardiff, CF10 5FS
• Sold Jul 2009£90,000 | 1 Bed Flat54, Heol Staughton, Cardiff, CF10 5FS54, Heol Staughton, Cardiff, CF10 5FS
• Sold Jun 2008£101,000 | 1 Bed Flat15 St. James Mansions, Mount Stuart Square, Cardiff, CF10 5LG15 St. James Mansions, Mount Stuart Square, Cardiff, CF10 5LG
• Sold Feb 2007£114,000 | 1 Bed Flat37, Carlotta Way, Cardiff, CF10 5FY37, Carlotta Way, Cardiff, CF10 5FY

Of the 222 addresses on Mount Stuart Square, Cardiff, CF10, 3 St. James Mansions, Cardiff comes out as the 212th largest and the 218th most expensive in our analysis of the public data.

It is also £81k less expensive than the average property across the CF10 district.

• Cardiff Bay

  |

  200 m away
• Cardiff Central

  |

  1.4 km away
• Grangetown (Cardiff)

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  1.4 km away

The flood risk here is rated Very Low, based on Environment Agency data.