What is the average house price in Old St. Mellons?
£304,891
Average price per property type
Detached
£462,598
Semi-Detached
£287,452
Terraced
£233,911
Flats
£169,318
Are prices going up or down?
Short term 📉
Prices decreased by £-16,257 (-5.06%) over the past year
Long term 📈
Prices increased by £30,958 (11.30%) over the past 10 years
Quick answers for Old St. Mellons
Start with quick answers below, then open each page for full charts, context, and deeper analysis.
When did average house prices in Old St. Mellons reach their peak?
Prices peaked at £620,000 in FEB 2011.
View full price history
How many properties are being sold in Old St. Mellons?
89 properties sold in the last 12 months, -38 (-29.9%) vs the previous 12 months.
View sales volume trendsWhat type of properties are sold in Old St. Mellons?
Semi-detached houses are most common at 39.0% of sales.
View property type breakdownProperty price ranges in Old St. Mellons
The most common price range is £200k - £300k at 69.3% of sales.
View price range breakdownWhat is the most expensive (and cheapest) area of Old St. Mellons?
Most expensive: - (£0). Cheapest: - (£0).
View full area rankingMost expensive houses in Old St. Mellons 👀
maesycrochan house druidstone road, cardiff
Sold in JUN 2021
£1,611,250
ty derw druidstone road, cardiff
Sold in NOV 2025
£1,300,000
bro dawel druidstone road, cardiff
Sold in MAR 2025
£1,260,000
Data sources
Location boundary data sourced from OpenStreetMap and price information is from HM Land Registry
Last updated at 20 May 2026 at 11:48 with the latest Land Registry data (March 2026). The Old St. Mellons dataset covers 134 postcodes.