Our Data Sources
55 St. Stephens Mansions, Cardiff has 31 entries in the Land Registry, most recently in September 2017 and a single entry in the EPC database dated February 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 55 St. Stephens Mansions, Cardiff would be worth £177,121, with a potential rental value of £1,202 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £156,878, with a rental value of £1,065 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
55 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Feb 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
55 St. Stephens Mansions, Cardiff last changed hands on 22nd September 2017, selling for £170,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 6.2% since September 2017.
- Sold Sep 2017£170,000
- Sold May 2013£135,000
- Sold Jul 2003£159,100
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 309 sales of comparable properties within 330 metres of 55 St. Stephens Mansions, Cardiff since 2017.
Most recently, 32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, a leasehold flat, sold at £200,000 on the 29th May 2026.
Read more about house prices in CF10.
- Sold May 2026£200,000 | 2 Bed Flat32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
- Sold May 2026£162,000 | 2 Bed Flat36 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ36 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
- Sold Apr 2026£185,000 | 2 Bed FlatVienna House 43, Penstone Court, Cardiff, CF10 5NLVienna House 43, Penstone Court, Cardiff, CF10 5NL
- Sold Feb 2026£169,950 | 2 Bed FlatGeneva House 22, Penstone Court, Cardiff, CF10 5NLGeneva House 22, Penstone Court, Cardiff, CF10 5NL
- Sold Dec 2025£130,000 | 2 Bed Flat48, Lynton Court, Cardiff, CF10 5NF48, Lynton Court, Cardiff, CF10 5NF
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 £174,530, ranging from £150,652 to £197,402.
- 52 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £181,757
- 38 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £181,757
- 8 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £150,652
- 47 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £158,137
- 4 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £158,137
Location Comparison
Our analysis of the public data ranks 55 St. Stephens Mansions, Cardiff as the 102nd largest and the 77th most expensive of the 222 addresses on Mount Stuart Square, Cardiff, CF10.
Against the CF10 postcode district average, it is £22k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Cardiff Bay|200 m away
- Cardiff Central|1.3 km away
- Grangetown (Cardiff)|1.4 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












