3 new residential projects in Castelldefels

Housing price dynamics in Castelldefels

According to Idealista, the average asking price for housing in Castelldefels in July 2026 is 4 388 €/m². This measure covers the whole residential market, including resale homes.

Over the last 12 months, the price per square metre changed by +3.6%; over five years, by +28.2%. The average annual rate over this period is +5.1%.

Housing in Castelldefels is currently 25.2% more expensive on average than in Barcelona, where the price is 3 504 €/m².

Housing in Castelldefels is currently 42.0% more expensive on average than in Cataluña, where the price is 3 091 €/m².

If the average rate of the last five years is maintained, the estimated price per square metre in Castelldefels will be about 4 611 €/m² in one year and 4 846 €/m² in two years. That is a change of +5.1% and +10.4% from today’s level.