{"id":14166,"date":"2025-08-27T09:47:34","date_gmt":"2025-08-27T07:47:34","guid":{"rendered":"https:\/\/ssrei.ch\/deux-etudes-de-lofl-un-resume\/"},"modified":"2025-08-27T15:11:32","modified_gmt":"2025-08-27T13:11:32","slug":"deux-etudes-de-lofl-un-resume","status":"publish","type":"post","link":"https:\/\/ssrei.ch\/fr\/deux-etudes-de-lofl-un-resume\/","title":{"rendered":"Deux \u00e9tudes de l\u2019OFL \u2013 un r\u00e9sum\u00e9"},"content":{"rendered":"<h5>En juin et juillet 2025, deux \u00e9tudes ont \u00e9t\u00e9 publi\u00e9es par l\u2019Office f\u00e9d\u00e9ral du logement (OFL) : l\u2019une sur le d\u00e9placement social et l\u2019autre sur la probl\u00e9matique des oppositions.<\/h5>\n<h5>\u00c9TUDE 1 : Syst\u00e8mes de recours dans le droit public de la construction<\/h5>\n<p>Auteurs : Dr Christian Br\u00fctsch (Stratcraft GmbH) et Dr Joelle Zimmerli (Zimraum GmbH)<br \/>\nL\u2019\u00e9tude se base sur une enqu\u00eate r\u00e9alis\u00e9e aupr\u00e8s d\u2019un \u00e9chantillon repr\u00e9sentatif du secteur de la construction et de l\u2019immobilier.<br \/>\nPrincipaux r\u00e9sultats :<\/p>\n<ul>\n<li>Les oppositions et recours sont consid\u00e9r\u00e9s comme le principal obstacle \u00e0 la construction de logements, suivis des exigences \u00e9lev\u00e9es en mati\u00e8re de planification et de d\u00e9p\u00f4t des projets.<\/li>\n<li>Les oppositions sont plus fr\u00e9quentes que les recours ; dans la plupart des cantons, la proportion de recours rejet\u00e9s par les instances cantonales sup\u00e9rieures d\u00e9passe de loin celle des recours accept\u00e9s.<\/li>\n<li>Souvent, mais pas toujours, des compromis peuvent \u00eatre trouv\u00e9s gr\u00e2ce \u00e0 des ajustements de projet, et des compensations (notamment financi\u00e8res) sont \u00e9galement des moyens efficaces.<\/li>\n<li>Les sujets de litige concernent principalement le bruit, l\u2019augmentation du trafic et les contestations relatives \u00e0 l\u2019utilisation du sol (volume, hauteur, longueur, lignes de construction, distances aux limites) \u2013 en d\u2019autres termes, la densification urbaine \u2013 ainsi que la vue, l\u2019ombre, le patrimoine ou la protection de l\u2019environnement.<\/li>\n<li>Les oppositions et recours entra\u00eenent syst\u00e9matiquement un retard de la date d\u2019occupation et des co\u00fbts de construction plus \u00e9lev\u00e9s, ce qui se r\u00e9percute sur le loyer. Les ajustements de projet entra\u00eenent \u00e9galement une r\u00e9duction du nombre de logements dans plus d\u2019un tiers des cas.<\/li>\n<li>Parmi les mesures propos\u00e9es pour acc\u00e9l\u00e9rer la construction de logements : des proc\u00e9dures d\u2019autorisation plus efficaces, la limitation des oppositions par des sanctions financi\u00e8res ou la restriction du droit d\u2019opposition, ainsi que l\u2019assouplissement des exigences l\u00e9gales.<\/li>\n<\/ul>\n<p><span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/backend.bwo.admin.ch\/fileservice\/sdweb-docs-prod-bwoadminch-files\/files\/2025\/07\/01\/07887ccd-42d8-4bcd-ae0a-1520a90db178.pdf\" target=\"_blank\" rel=\"noopener\">Acc\u00e9der \u00e0 l\u2019\u00e9tude (en allemand).<\/a><\/span><\/p>\n<h5>\u00c9TUDE 2 : Activit\u00e9 de construction et d\u00e9placement dans la Suisse urbaine<\/h5>\n<p>Auteurs : ETH Zurich, Institut de d\u00e9veloppement spatial et paysager \u2013 IRL, D\u00e9veloppement spatial et politique urbaine \u2013 SPUR<br \/>\nL\u2019\u00e9tude se base sur des ensembles de donn\u00e9es li\u00e9s de l\u2019Office f\u00e9d\u00e9ral de la statistique (OFS).<br \/>\nLa comparaison des p\u00e9riodes 2000-2004 et 2020-2023 dans les agglom\u00e9rations de Berne, B\u00e2le, Gen\u00e8ve, Lausanne et Zurich donne les r\u00e9sultats suivants :<\/p>\n<ul>\n<li><strong>Augmentation nette annuelle des logements :<\/strong> forte augmentation, sauf \u00e0 Zurich o\u00f9 une l\u00e9g\u00e8re diminution est observ\u00e9e.<\/li>\n<li><strong>Augmentation nette annuelle de la surface habitable due aux nouvelles constructions :<\/strong> forte augmentation, sauf \u00e0 Berne o\u00f9 la situation reste stable.<\/li>\n<li><strong>Construction de nouveaux logements sur des terrains non b\u00e2tis :<\/strong> nette diminution, sauf \u00e0 Gen\u00e8ve, mais projets moyens plus grands avec davantage de logements.<\/li>\n<li><strong>Remplacement par de nouvelles constructions :<\/strong> augmentation nette, avec un effet de cr\u00e9ation de 1,6 \u00e0 2 fois plus de logements suppl\u00e9mentaires.<\/li>\n<li><strong>Nouvelles constructions sur d\u2019anciens sites industriels et sur\u00e9l\u00e9vations :<\/strong> forte augmentation, ph\u00e9nom\u00e8ne des villes-centres.<\/li>\n<li><strong>Consommation de surface par personne (densit\u00e9 d\u2019utilisation) :<\/strong> presque 1:1, montrant que la surface suppl\u00e9mentaire cr\u00e9\u00e9e a \u00e9t\u00e9 compens\u00e9e par une demande d\u2019espace plus \u00e9lev\u00e9e.<br \/>\n<u>Remarque :<\/u> Voir \u00e9galement NZZ am Sonntag du 13 juillet 2025 : augmentation du nombre de logements par rapport \u00e0 la population de 2000 \u00e0 2023 : croissance des logements +34% \/ croissance de la population +24%.<\/li>\n<li><strong>R\u00e9siliations forc\u00e9es :<\/strong> 0,2 \u00e0 1,2 % de la population concern\u00e9e. Les personnes \u00e2g\u00e9es \u00e0 faible revenu, les demandeurs d\u2019asile, les r\u00e9fugi\u00e9s reconnus et les personnes n\u00e9es en Afrique sont particuli\u00e8rement touch\u00e9s. La majorit\u00e9 a pu retrouver un logement dans la m\u00eame commune.<\/li>\n<\/ul>\n<p><span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/backend.bwo.admin.ch\/fileservice\/sdweb-docs-prod-bwoadminch-files\/files\/2025\/06\/24\/412a07f7-4db9-412c-b10d-59ca7c5ce6df.pdf\" target=\"_blank\" rel=\"noopener\">Acc\u00e9der \u00e0 l\u2019\u00e9tude (en allemand).<\/a><\/span><\/p>\n<p>D\u2019autres publications de l\u2019Office f\u00e9d\u00e9ral du logement sont disponibles sur\u00a0<span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/www.bwo.admin.ch\/fr\" target=\"_blank\" rel=\"noopener\">ofl.admin<\/a><\/span>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En juin et juillet 2025, deux \u00e9tudes ont \u00e9t\u00e9 publi\u00e9es par l\u2019Office f\u00e9d\u00e9ral du logement (OFL) : l\u2019une sur le d\u00e9placement social et l\u2019autre sur la probl\u00e9matique des oppositions. \u00c9TUDE 1 : Syst\u00e8mes de recours dans le droit public de la construction Auteurs : Dr Christian Br\u00fctsch (Stratcraft GmbH) et Dr Joelle Zimmerli (Zimraum GmbH)&#8230;<\/p>\n","protected":false},"author":5,"featured_media":14162,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-14166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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