An Analysis of Spain's Property Prices Q4, 2020 In the fourth quarter of 2020, average property prices in Spain displayed a 0.7% decrease, along with a year-on-year decrease of 1.7%. Tinsa bases these averages on completed property (new and resale), which show an average value of €1,351 per square metre.Prior to the pandemic, property prices were on the rise, with the first quarter of 2020 showing a...