Pontprennau and Old St Mellons, Cardiff Property Price Guide and Insights
Discover Pontprennau and Old St Mellons, Cardiff's 2025 property market: average prices for flats vs. houses, bedroom-count breakdowns, % of homes with gardens or balconies, plus an interactive postcode heatmap.

Houses
Explore our blog for market insights, guides and a sprinkling of our favourite properties!
What is the average price of a house in Pontprennau and Old St Mellons, Cardiff?
The average price for a house in Pontprennau and Old St Mellons, Cardiff is £427k, costing on average £369 per sqft.
Average prices of houses by bedroom count are: £266k for a two-bedroom, £344k for a three-bedroom, £541k for a four-bedroom, and £776k for a five-bedroom.
What share of houses in Pontprennau and Old St Mellons, Cardiff feature gardens and parking?
In Pontprennau and Old St Mellons, Cardiff, 97% of houses have a garden and 91% include parking.
What is the breakdown of property types in Pontprennau and Old St Mellons, Cardiff?
The housing mix in Pontprennau and Old St Mellons, Cardiff is 26% detached, 44% semi-detached, 23% terraced, and 7% other.
What is the most expensive area in Pontprennau and Old St Mellons, Cardiff to buy a home?
The most expensive area to buy a house in Pontprennau and Old St Mellons, Cardiff is CF14, where the average property is £479k. The second and third most expensive areas are CF23 with an average price of £461k and CF3 with an average price of £343k .
What is the cheapest area in Pontprennau and Old St Mellons, Cardiff to buy a home?
The cheapest area to buy a house in Pontprennau and Old St Mellons, Cardiff is CF3, where the average property is £343k. The second and third cheapest areas are CF23 with an average price of £461k and CF14 with an average price of £479k .
Flats and apartments
Explore our blog for market insights, guides and a sprinkling of our favourite properties!
What is the average price of a flat in Pontprennau and Old St Mellons, Cardiff?
The average price for a flat in Pontprennau and Old St Mellons, Cardiff is £174k, costing on average £979 per sqft.
Average prices of flats by bedroom count are: £132k for a one-bedroom, £186k for a two-bedroom, £260k for a three-bedroom, and N/A for a four-bedroom.
What share of flats in Pontprennau and Old St Mellons, Cardiff feature balconies and parking?
In Pontprennau and Old St Mellons, Cardiff, 20% of flats have a balcony and 89% include parking.
What is the breakdown of lease types in Pontprennau and Old St Mellons, Cardiff?
The leasing mix in Pontprennau and Old St Mellons, Cardiff is 97% leasehold and 3% freehold.
What is the most expensive area in Pontprennau and Old St Mellons, Cardiff to buy a flat?
The most expensive area to buy a flat in Pontprennau and Old St Mellons, Cardiff is CF23, where the average property is £203k. The second and third most expensive areas are CF14 with an average price of £177k and CF3 with an average price of £140k .
What is the cheapest area in Pontprennau and Old St Mellons, Cardiff to buy a flat?
The cheapest area to buy a flat in Pontprennau and Old St Mellons, Cardiff is CF3, where the average property is £140k. The second and third cheapest areas are CF14 with an average price of £177k and CF23 with an average price of £203k .
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