Our Data Sources
7 St. James Mansions, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated March 2021.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 7 St. James Mansions, Cardiff would be worth £115,213, with a potential rental value of £849 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £102,046, with a rental value of £752 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
7 St. James Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Mar 2021.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
7 St. James Mansions, Cardiff last changed hands on 19th December 2003, selling for £115,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
- Sold Dec 2003£115,000
- Sold Jun 2002£85,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 62 sales of comparable properties within 340 metres of 7 St. James Mansions, Cardiff since 2007.
Most recently, 26, Soudrey Way, Cardiff, CF10 5FW, a leasehold flat, sold at £103,500 on the 15th May 2026.
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
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £130,838, ranging from £108,466 to £162,983.
- 4 St. James Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £128,022
- 16 St. James Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £132,961
- 14 St. James Mansions Mount Stuart Square
3 Bed Flat | 0 m | Est. Value: £162,983
- 18 St. James Mansions Mount Stuart Square
1 Bed Flat | 0 m | Est. Value: £114,607
- 10 St. James Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £138,594
Location Comparison
Our analysis of the public data ranks 7 St. James Mansions, Cardiff as the 211th largest and the 217th most expensive of the 222 addresses on Mount Stuart Square, Cardiff, CF10.
Against the CF10 postcode district average, it is £81k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cardiff Bay|200 m away
- Cardiff Central|1.4 km away
- Grangetown (Cardiff)|1.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





