5 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Sep 2019.

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

The most recent sale of 5 St. Stephens Mansions, Cardiff completed on 4th December 2015 at £156,500 and was recorded by HM Land Registry as a leasehold flat.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 18.4% over the period since December 2015.

• Sold Dec 2015£156,500
• Sold Jul 2004£180,000

Since 2019 167 properties similar to 5 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 2nd March 2026, was 71, Penstone Court, Cardiff, CF10 5NN, a leasehold flat which sold for £245,000.

Read more about house prices in CF10.

• Sold Mar 2026£245,000 | 2 Bed Flat71, Penstone Court, Cardiff, CF10 5NN71, Penstone Court, Cardiff, CF10 5NN
• Sold Dec 2025£210,000 | 3 Bed Flat97, Lynton Court, Cardiff, CF10 5NG97, Lynton Court, Cardiff, CF10 5NG
• Sold Oct 2025£222,000 | 2 Bed Flat155, Judkin Court, Cardiff, CF10 5AX155, Judkin Court, Cardiff, CF10 5AX
• Sold Oct 2025£232,000 | 3 Bed Flat82, Lynton Court, Cardiff, CF10 5NG82, Lynton Court, Cardiff, CF10 5NG
• Sold Jul 2025£184,000 | 3 Bed Flat53 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ53 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Jun 2025£185,000 | 3 Bed Flat151, Judkin Court, Cardiff, CF10 5AX151, Judkin Court, Cardiff, CF10 5AX
• 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 Jul 2024£199,900 | 2 Bed Flat12 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ12 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
• Sold Feb 2024£210,500 | 3 Bed Flat51, Judkin Court, Cardiff, CF10 5AU51, Judkin Court, Cardiff, CF10 5AU
• 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 Feb 2023£205,000 | 3 Bed FlatVienna House 53, Penstone Court, Cardiff, CF10 5NLVienna House 53, Penstone Court, Cardiff, CF10 5NL
• Sold Jan 2023£247,000 | 3 Bed Flat100, Lynton Court, Cardiff, CF10 5NG100, Lynton Court, Cardiff, CF10 5NG
• Sold Jul 2022£197,000 | 3 Bed Flat84, Lynton Court, Cardiff, CF10 5NG84, Lynton Court, Cardiff, CF10 5NG
• 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 Oct 2021£183,000 | 2 Bed Flat57 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ57 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

Of the 222 addresses on Mount Stuart Square, Cardiff, CF10, 5 St. Stephens Mansions, Cardiff comes out as the 31st largest and the 37th most expensive in our analysis of the public data.

It is also £8k more expensive than the average property across the CF10 district.

• Cardiff Bay

  |

  200 m away
• Cardiff Central

  |

  1.3 km away
• Grangetown (Cardiff)

  |

  1.4 km away

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