Our Data Sources
24, Mostyn Square, Cardiff has no records in the Land Registry and a single entry in the EPC database dated February 2010.
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
In very good condition, we estimate 24, Mostyn Square, Cardiff would be worth £390,587, with a potential rental value of £1,955 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £345,948, with a rental value of £1,731 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
24, Mostyn Square, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 02 Feb 2010.
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
Land Registry records and our Estate Agent network show 217 sales of comparable properties within 610 metres of 24, Mostyn Square, Cardiff since 2017.
Most recently, 13, Watkins Square, Cardiff, CF14 4NH, a freehold house, sold at £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 Nov 2025£365,000 | 3 Bed House41, Mostyn Square, Cardiff, CF14 5FE41, Mostyn Square, Cardiff, CF14 5FE
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 £377,078, ranging from £198,512 to £604,367.
- 22 Mostyn Square
4 Bed House | 9 m | Est. Value: £399,782
- 20 Mostyn Square
4 Bed House | 15 m | Est. Value: £399,782
- 26 Mostyn Square
4 Bed House | 19 m | Est. Value: £396,471
- 28 Mostyn Square
4 Bed House | 25 m | Est. Value: £395,018
- 18 Mostyn Square
4 Bed House | 28 m | Est. Value: £604,367
Location Comparison
Our analysis of the public data ranks 24, Mostyn Square, Cardiff as the 21st largest and the 19th most expensive of the 41 addresses on Mostyn Square, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £21 more expensive than the typical property.
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Schools Nearby
Public Transport Nearby
- Ty Glas|300 m away
- Birchgrove|400 m away
- Rhiwbina|1.1 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.












