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Houses of this size in this area normally have 4 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 3, Mostyn Square, Cardiff is £360,700 and the estimated rental value is £1,754 per month.
Mostyn Square, Llanishen, Cardiff, CF14 is located within the CF14 postal district.
3, Mostyn Square, Cardiff has 3 entries in the Land Registry , most recently in November 2025 and a single entry in the EPC database dated August 2025.
We combine this information with that 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.
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 3, Mostyn Square, Cardiff is in very good condition we estimate a sale value of £378,735 and a rental value of £1,842 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £335,451 and a rental value of £1,631 per month.
Over the last 12 months the sale value of 3 Mostyn Square Cardiff has decreased by an estimated £978 (0.3%) and its rental value has increased by an estimated £61 per month (3.5%), giving an expected gross yield of 5.8%.
According to data from HM Land Registry, 3, Mostyn Square, Cardiff sits on a plot of 129m2.
We have plot size data on 30 out of 40 other houses in the postcode and 3, Mostyn Square, Cardiff sits on the 24th largest plot.
3, Mostyn Square, Cardiff has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Aug 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 3, Mostyn Square, Cardiff was last sold on 28th November 2025 for £338,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since November 2025, the market for similar properties has risen 16.2%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 3, Mostyn Square, Cardiff within a radius of 630 metres over the last 2 years.
The most recent example is 205, Tatham Road, Cardiff, CF14 5FF, a freehold house which sold for £335,000 on the 28th November 2025.
Read more about house prices in CF14.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Mostyn Square, Llanishen, Cardiff, CF14 has a total of 41 addresses. According to our analysis of all the public data, 3, Mostyn Square, Cardiff is the 22nd largest and the 25th most expensive property on the street.
When compared to the postcode district it is £7k less expensive than the average property in CF14.
The closest station to 3, Mostyn Square, Cardiff is Ty Glas station which is 300 metres away.
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
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The recent census recorded whether a resident owned or rented their home.
In the area around 3, Mostyn Square, Cardiff, 44.9% of property is privately owned with a mortgage and 26.8% is privately rented.
The graph below shows how this compares to Wales and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 3, Mostyn Square, Cardiff, 27.7% of residents are recorded as possessing school level qualifications and 46.4% as possessing degree level qualifications.
The graph below shows how this compares to Wales and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 3, Mostyn Square, Cardiff, the average age was 41.5 and the most common age was 32.
The graph below shows how this compares to Wales and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 3, Mostyn Square, Cardiff, 2.4% of property was a second home.
Comparison figures for Wales and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 3, Mostyn Square, Cardiff, there are an average of 1.3 cars per household.
See below for how this compares to Wales and the rest of England & Wales.