In Spain it is a mandate from our Constitution (https://www.boe.es/buscar/doc.php?id=BOE-A-2014-375#:~:text=El%20art%C3%ADculo%2047%20de%20la,para%20hacer%20efe

In Spain it is a mandate from our Constitution (https://www.boe.es/buscar/doc.php?id=BOE-A-2014-375#:~:text=El%20art%C3%ADculo%2047%20de%20la,para%20hacer%20efectivo%20este%20derecho https://www.boe.es/buscar/doc.php?id=BOE-A-2014-375#:~:text=....) to ensure and facilitate to citizens their right of roof.