Our Data Sources
34, Mostyn Square, Cardiff has no records in the Land Registry and a single entry in the EPC database dated November 2009.
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.
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 34, Mostyn Square, Cardiff is in very good condition we estimate a sale value of £412,043 and a rental value of £1,903 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £364,952 and a rental value of £1,686 per month.
Energy Efficiency
34, Mostyn Square, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 11 Nov 2009.
The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 109 sales of properties similar to 34, Mostyn Square, Cardiff within a radius of 600 metres since 2019.
The most recent example is 13, Watkins Square, Cardiff, CF14 4NH, a freehold house which sold for £375,000 on the 26th March 2026.
Read more about house prices in CF14.
- Sold Mar 2026£375,000 | 4 Bed House13, Watkins Square, Cardiff, CF14 4NH13, Watkins Square, Cardiff, CF14 4NH
- Sold Dec 2025£390,000 | 4 Bed House35, Mostyn Square, Cardiff, CF14 5FE35, Mostyn Square, Cardiff, CF14 5FE
- Sold Nov 2025£335,000 | 4 Bed House205, Tatham Road, Cardiff, CF14 5FF205, Tatham Road, Cardiff, CF14 5FF
- Sold Nov 2025£338,000 | 4 Bed House3, Mostyn Square, Cardiff, CF14 5FE3, Mostyn Square, Cardiff, CF14 5FE
- Sold Dec 2024£340,000 | 4 Bed House8, Tasker Square, Cardiff, CF14 5ET8, Tasker Square, Cardiff, CF14 5ET
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £329,381, ranging from £198,512 to £396,471.
- 36 Mostyn Square
4 Bed House | 6 m | Est. Value: £392,421
- 32 Mostyn Square
4 Bed House | 6 m | Est. Value: £393,560
- 30 Mostyn Square
4 Bed House | 14 m | Est. Value: £395,018
- 28 Mostyn Square
4 Bed House | 19 m | Est. Value: £395,018
- 38 Mostyn Square
4 Bed House | 24 m | Est. Value: £368,415
Location Comparison
Mostyn Square, Llanishen, Cardiff, CF14 has a total of 41 addresses. According to our analysis of all the public data, 34, Mostyn Square, Cardiff is the 11th largest and the 15th most expensive property on the street.
When compared to the postcode district it is £20k more expensive than the average property in CF14.
More reading links
Schools Nearby
Public Transport Nearby
- Ty Glas|300 m away
- Birchgrove|400 m away
- Rhiwbina|1.1 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.
