Our Data Sources
1, Mostyn Square, Cardiff has a single entry in the Land Registry from August 2008 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 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 1, Mostyn Square, Cardiff would be worth £524,197, with a potential rental value of £1,822 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £464,288, with a rental value of £1,614 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Mostyn Square, Cardiff occupies a 239 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 6th largest.
Sold Prices
1, Mostyn Square, Cardiff last changed hands on 1st August 2008, selling for £224,995. 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 107.1% since August 2008.
- Sold Aug 2008£224,995
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 65 sales of comparable properties within 630 metres of 1, Mostyn Square, Cardiff since 2009.
Most recently, 16, Heol Iscoed, Cardiff, CF14 6PA, a freehold house, sold at £490,000 on the 3rd September 2025.
Read more about house prices in CF14.
- Sold Sep 2025£490,000 | 3 Bed House16, Heol Iscoed, Cardiff, CF14 6PA16, Heol Iscoed, Cardiff, CF14 6PA
- Sold Mar 2025£525,000 | 4 Bed House21, Heol Mynydd Bychan, Cardiff, CF14 4NL21, Heol Mynydd Bychan, Cardiff, CF14 4NL
- Sold Dec 2024£475,000 | 4 Bed House49, Ty Glas Road, Cardiff, CF14 5EB49, Ty Glas Road, Cardiff, CF14 5EB
- Sold Aug 2024£509,500 | 4 Bed House134, Ty Glas Road, Cardiff, CF14 5EG134, Ty Glas Road, Cardiff, CF14 5EG
- Sold Feb 2023£430,000 | 4 Bed House22, Thornhill Road, Cardiff, CF14 6PF22, Thornhill Road, Cardiff, CF14 6PF
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 £391,076, ranging from £336,424 to £532,028.
- 3 Mostyn Square
4 Bed House | 5 m | Est. Value: £367,876
- 5 Mostyn Square
3 Bed House | 10 m | Est. Value: £346,236
- 7 Mostyn Square
4 Bed House | 15 m | Est. Value: £354,776
- 9 Mostyn Square
3 Bed House | 22 m | Est. Value: £342,854
- 78 Ashbourn Way
4 Bed House | 23 m | Est. Value: £465,031
Location Comparison
Our analysis of the public data ranks 1, Mostyn Square, Cardiff as the 19th largest and the 7th most expensive of the 41 addresses on Mostyn Square, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £127k more 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.
