53 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Apr 2019.

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 53 St. Stephens Mansions, Cardiff completed on 29th July 2025 at £184,000 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold 4 times.

Values of comparable properties have risen by 13.1% over the period since July 2025.

• Sold Jul 2025£184,000
• Sold Apr 2019£185,000
• Sold Jun 2013£150,000

Since 2019 151 properties similar to 53 St. Stephens Mansions, Cardiff have sold within a radius of 330 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 11th December 2025, was 97, Lynton Court, Cardiff, CF10 5NG, a leasehold flat which sold for £210,000.

Read more about house prices in CF10.

• Sold Dec 2025£210,000 | 3 Bed Flat97, Lynton Court, Cardiff, CF10 5NG97, Lynton Court, Cardiff, CF10 5NG
• Sold Oct 2025£232,000 | 3 Bed Flat82, Lynton Court, Cardiff, CF10 5NG82, Lynton Court, Cardiff, CF10 5NG
• Sold Mar 2025£257,500 | 3 Bed FlatGeneva House 30, Penstone Court, Cardiff, CF10 5NLGeneva House 30, Penstone Court, Cardiff, CF10 5NL
• Sold Jan 2025£200,000 | 3 Bed Flat20 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ20 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Dec 2024£235,000 | 3 Bed Flat13, Lynton Court, Cardiff, CF10 5NF13, Lynton Court, Cardiff, CF10 5NF
• Sold Sep 2024£230,000 | 3 Bed Flat37, Lynton Court, Cardiff, CF10 5NF37, Lynton Court, Cardiff, CF10 5NF
• Sold Apr 2024£180,000 | 3 Bed Flat3, Lynton Court, Cardiff, CF10 5NF3, Lynton Court, Cardiff, CF10 5NF
• Sold Feb 2024£190,000 | 3 Bed Flat19 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ19 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Jan 2024£175,000 | 3 Bed FlatFlat 7, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 7, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold Jan 2024£195,000 | 3 Bed Flat26, Judkin Court, Cardiff, CF10 5AU26, Judkin Court, Cardiff, CF10 5AU
• Sold Jun 2023£235,000 | 3 Bed Flat61, Lynton Court, Cardiff, CF10 5NF61, Lynton Court, Cardiff, CF10 5NF
• Sold Jan 2023£190,000 | 3 Bed Flat61, Judkin Court, Cardiff, CF10 5AU61, Judkin Court, Cardiff, CF10 5AU
• Sold Jan 2023£211,000 | 3 Bed Flat5, Lynton Court, Cardiff, CF10 5NF5, Lynton Court, Cardiff, CF10 5NF
• Sold Jul 2022£197,000 | 3 Bed Flat84, Lynton Court, Cardiff, CF10 5NG84, Lynton Court, Cardiff, CF10 5NG
• Sold Jan 2022£275,000 | 3 Bed Flat47, Lynton Court, Cardiff, CF10 5NF47, Lynton Court, Cardiff, CF10 5NF
• Sold Dec 2021£190,000 | 3 Bed Flat6 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ6 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Sep 2021£350,000 | 3 Bed FlatFlat 26, Cymric Buildings, West Bute Street, Cardiff, CF10 5LLFlat 26, Cymric Buildings, West Bute Street, Cardiff, CF10 5LL
• Sold May 2020£162,000 | 3 Bed Flat5 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ5 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Oct 2019£170,000 | 3 Bed Flat21 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ21 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Jan 2019£160,000 | 3 Bed FlatFlat 2, Aberdare House, Mount Stuart Square, Cardiff, CF10 5EFFlat 2, Aberdare House, Mount Stuart Square, Cardiff, CF10 5EF

Of the 222 addresses on Mount Stuart Square, Cardiff, CF10, 53 St. Stephens Mansions, Cardiff comes out as the 19th largest and the 29th most expensive in our analysis of the public data.

It is also £12k more expensive than the average property across the CF10 district.

• Cardiff Bay

  |

  200 m away
• Cardiff Central

  |

  1.3 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.