Our Data Sources
21, Mostyn Road, Cardiff has no records in the the Land Registry and a single entry in the EPC database dated November 2025.
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 21, Mostyn Road, Cardiff is in very good condition we estimate a sale value of £159,928 and a rental value of £1,139 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £141,651 and a rental value of £1,009 per month.
Energy Efficiency
21, Mostyn Road, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 Nov 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 94 sales of properties similar to 21, Mostyn Road, Cardiff within a radius of 560 metres over the last 2 years.
The most recent example is 13, Mostyn Road, Cardiff, CF5 4QE, a freehold house which sold for £140,000 on the 22nd April 2026.
Read more about house prices in CF5.
- Sold Apr 2026£140,000 | 3 Bed House13, Mostyn Road, Cardiff, CF5 4QE13, Mostyn Road, Cardiff, CF5 4QE
- Sold Dec 2021£107,000 | 3 Bed House35, Mostyn Road, Cardiff, CF5 4QE35, Mostyn Road, Cardiff, CF5 4QE
- Sold Aug 2019£112,000 | 3 Bed House5, Mostyn Road, Cardiff, CF5 4QE5, Mostyn Road, Cardiff, CF5 4QE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Mostyn Road, Cardiff, CF5 has a total of 40 addresses. According to our analysis of all the public data, 21, Mostyn Road, Cardiff is the 22nd largest and the 28th most expensive property on the street.
When compared to the postcode district it is £142k less expensive than the average property in CF5.
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Schools Nearby
Public Transport Nearby
- Waun-Gron Park|2.7 km away
- Fairwater|2.9 km away
- Danescourt|3.4 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












