Our Data Sources
30 St. Stephens Mansions, Cardiff has no recent1 records in the Land Registry and a single entry in the EPC database dated July 2019.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 30 St. Stephens Mansions, Cardiff is in very good condition we estimate a sale value of £176,502 and a rental value of £1,162 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £156,330 and a rental value of £1,029 per month.
Energy Efficiency
30 St. Stephens Mansions, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Jul 2019.
The property is not connected to mains gas and has fully double glazed windows. It is heated using room heaters (electric).
Sold Prices
According to HM Land Registry, 30 St. Stephens Mansions, Cardiff was last sold on 12th March 2004 for £170,000 and was recorded as a leasehold flat.
The property has only had this single sale since 1995.
- Sold Mar 2004£170,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 303 sales of properties similar to 30 St. Stephens Mansions, Cardiff within a radius of 330 metres since 2019.
The most recent example is Vienna House 43, Penstone Court, Cardiff, CF10 5NL, a leasehold flat which sold for £185,000 on the 13th April 2026.
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£169,950 | 2 Bed FlatGeneva House 22, Penstone Court, Cardiff, CF10 5NLGeneva House 22, 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
- 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
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
Mount Stuart Square, Cardiff, CF10 has a total of 222 addresses. According to our analysis of all the public data, 30 St. Stephens Mansions, Cardiff is the 114th largest and the 80th most expensive property on the street.
When compared to the postcode district it is £22k less expensive than the average property in CF10.
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
