The data displays the average price of 120 square meter apartments located in the most important cities of countries in EU-28 as of May 2018, per country (in euros per square meter). The source states that the numbers provided have been taken from several national publications, for example from national statistical bureaus. Therefore, no set date for data collection can be provided. Also, the numbers provided cover 120 square meters apartments located in center of the most important city of each country, either the administrative capital, the financial capital and/or the center of the rental market.
