Our Data Sources
17 St. Stephens Mansions, Cardiff has 21 entries in the Land Registry, most recently in May 2019 and a single entry in the EPC database dated September 2023.
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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 17 St. Stephens Mansions, Cardiff, we estimate a market value of £185,253 and a rental value of £1,239 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £164,081 and £1,098 per month respectively.
Energy Efficiency
17 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Sep 2023.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
The most recent sale of 17 St. Stephens Mansions, Cardiff completed on 31st May 2019 at £180,000 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 5.8% over the period since May 2019.
- Sold May 2019£180,000
- Sold Jul 2003£150,000
Similar Properties Sold Nearby
Since 2016 310 properties similar to 17 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 29th May 2026, was 32 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, a leasehold flat which sold for £200,000.
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 Jan 2026£155,000 | 2 Bed Flat74, Penstone Court, Cardiff, CF10 5NN74, Penstone Court, Cardiff, CF10 5NN
- 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
Of the 222 addresses on Mount Stuart Square, Cardiff, CF10, 17 St. Stephens Mansions, Cardiff comes out as the 73rd largest and the 58th most expensive in our analysis of the public data.
It is also £14k less expensive than the average property across the CF10 district.
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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












