Our Data Sources
9 St. Stephens Mansions, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated August 2021.
We combine this information with public data 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 9 St. Stephens Mansions, Cardiff, we estimate a market value of £187,133 and a rental value of £1,207 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £165,746 and £1,069 per month respectively.
Energy Efficiency
9 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Aug 2021.
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 9 St. Stephens Mansions, Cardiff completed on 5th October 2005 at £180,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
- Sold Oct 2005£180,000
- Sold Jun 2004£165,000
Similar Properties Sold Nearby
Since 2016 268 properties similar to 9 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 13th April 2026, was Vienna House 43, Penstone Court, Cardiff, CF10 5NL, a leasehold flat which sold for £185,000.
Read more about house prices in CF10.
- 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£183,500 | 2 Bed Flat53, Taliesin Court, Cardiff, CF10 5NH53, Taliesin Court, Cardiff, CF10 5NH
- Sold Dec 2025£130,000 | 2 Bed Flat48, Lynton Court, Cardiff, CF10 5NF48, Lynton Court, Cardiff, CF10 5NF
- Sold Nov 2025£200,000 | 2 Bed Flat55 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ55 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
- Sold Jul 2025£195,000 | 2 Bed Flat46 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ46 St. Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ
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 £175,799, ranging from £144,226 to £203,398.
- 54 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £159,755
- 11 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £172,673
- 61 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £150,912
- 13 St. Stephens Mansions Mount Stuart Square
2 Bed Flat | 0 m | Est. Value: £182,538
- 19 St. Stephens Mansions Mount Stuart Square
3 Bed Flat | 0 m | Est. Value: £197,388
Location Comparison
Of the 222 addresses on Mount Stuart Square, Cardiff, CF10, 9 St. Stephens Mansions, Cardiff comes out as the 72nd largest and the 54th most expensive in our analysis of the public data.
It is also £12k 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.












