Our Data Sources
10, Mostyn Square, Cardiff has a single entry in the Land Registry from June 2009 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the 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 10, Mostyn Square, Cardiff would be worth £385,247, with a potential rental value of £1,915 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £341,219, with a rental value of £1,697 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
10, Mostyn Square, Cardiff occupies a 127 m2 plot as recorded by HM Land Registry.
Of the 40 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 26th largest.
Sold Prices
10, Mostyn Square, Cardiff last changed hands on 19th June 2009, selling for £204,495. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 122.8% since June 2009.
- Sold Jun 2009£204,495
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 208 sales of comparable properties within 620 metres of 10, Mostyn Square, Cardiff since 2015.
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£338,000 | 4 Bed House3, Mostyn Square, Cardiff, CF14 5FE3, 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£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.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £380,001, ranging from £332,043 to £604,367.
- 12 Mostyn Square
3 Bed House | 4 m | Est. Value: £341,366
- 8 Mostyn Square
4 Bed House | 6 m | Est. Value: £359,788
- 14 Mostyn Square
3 Bed House | 10 m | Est. Value: £338,080
- 6 Mostyn Square
3 Bed House | 11 m | Est. Value: £336,424
- 16 Mostyn Square
4 Bed House | 13 m | Est. Value: £380,182
Location Comparison
Our analysis of the public data ranks 10, Mostyn Square, Cardiff as the 20th largest and the 22nd most expensive of the 41 addresses on Mostyn Square, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £5k less expensive than the typical property.
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
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.
