Our Data Sources
43, Mostyn Square, Cardiff has a single entry in the Land Registry from June 2009 and a single entry in the EPC database dated October 2008.
We combine this information with that of neighbouring properties to estimate the property 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 43, Mostyn Square, Cardiff would be worth £291,522, with a potential rental value of £1,140 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £258,205, with a rental value of £1,009 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
43, Mostyn Square, Cardiff occupies a 220 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 8th largest.
Energy Efficiency
43, Mostyn Square, Cardiff has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 30 Oct 2008.
The property is not connected to mains gas and has windows. It is heated using sap05:main-heating.
Sold Prices
43, Mostyn Square, Cardiff last changed hands on 15th June 2009, selling for £200,000. 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 96.1% since June 2009.
- Sold Jun 2009£200,000
Properties Sold Nearby
Land Registry records and our Estate Agent network show 924 sales within 590 metres of 43, Mostyn Square, Cardiff since 2008.
Most recently, 35, Mostyn Square, Cardiff, CF14 5FE, a freehold house, sold at £390,000 on the 10th December 2025.
Read more about house prices in CF14.
- Sold Dec 2025£390,000 | 4 Bed House35, Mostyn Square, Cardiff, CF14 5FE35, Mostyn Square, Cardiff, CF14 5FE
- Sold Nov 2025£365,000 | 3 Bed House41, Mostyn Square, Cardiff, CF14 5FE41, Mostyn Square, Cardiff, CF14 5FE
- Sold Aug 2024£148,000 | 2 Bed Flat147, Tatham Road, Cardiff, CF14 5FG147, Tatham Road, Cardiff, CF14 5FG
- Sold Oct 2023£335,000 | 3 Bed House16, Tatham Road, Cardiff, CF14 5FB16, Tatham Road, Cardiff, CF14 5FB
- Sold May 2023£340,000 | 4 Bed House20, Tatham Road, Cardiff, CF14 5FB20, Tatham Road, Cardiff, CF14 5FB
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 £331,917, ranging from £198,512 to £555,441.
- 41 Mostyn Square
3 Bed House | 6 m | Est. Value: £341,366
- 39 Mostyn Square
2 Bed House | 11 m | Est. Value: £198,512
- 37 Mostyn Square
2 Bed House | 16 m | Est. Value: £198,512
- 45 Mostyn Square
3 Bed House | 18 m | Est. Value: £555,441
- 28 Tatham Road
2 Bed House | 23 m | Est. Value: £275,081
Location Comparison
Our analysis of the public data ranks 43, Mostyn Square, Cardiff as the 38th largest and the 37th most expensive of the 41 addresses on Mostyn Square, Llanishen, Cardiff, CF14.
Against the CF14 postcode district average, it is £94k 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.
