{"id":146921,"date":"2026-01-13T11:46:27","date_gmt":"2026-01-13T10:46:27","guid":{"rendered":"https:\/\/www.immo-invest.ch\/wohnungen-schrumpfen-wieder\/"},"modified":"2026-01-13T11:55:56","modified_gmt":"2026-01-13T10:55:56","slug":"wohnungen-schrumpfen-wieder","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/wohnungen-schrumpfen-wieder\/","title":{"rendered":"Les logements r\u00e9tr\u00e9cissent \u00e0 nouveau"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les m&eacute;nages deviennent plus petits, les logements restent grands. Depuis les ann&eacute;es 1960, la taille moyenne des m&eacute;nages est tomb&eacute;e &agrave; environ deux personnes, la part des m&eacute;nages d&rsquo;une personne est aujourd&rsquo;hui d&rsquo;environ 41 pour cent, et dans les grandes villes, elle repr&eacute;sente parfois la moiti&eacute; de tous les m&eacute;nages. Parall&egrave;lement, le grand appartement de plusieurs pi&egrave;ces domine dans le parc immobilier existant, une inadaptation structurelle qui met la construction neuve sous pression.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">a cela s&rsquo;ajoutent la pression sur les prix et la localisation ainsi que la forte augmentation des co&ucirc;ts du sol, de la construction et de l&rsquo;&eacute;nergie. Cela rend les grands logements inabordables pour beaucoup, alors que les investisseurs obtiennent des revenus plus &eacute;lev&eacute;s au m&egrave;tre carr&eacute; avec des unit&eacute;s plus petites. Les mod&egrave;les d&rsquo;urbanisme misent sur la densification plut&ocirc;t que sur la maison individuelle, la part des nouveaux logements construits dans des immeubles collectifs a augment&eacute;.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>cons&eacute;quences techniques pour la planification et la construction<br><\/strong>Des logements plus petits ne signifient pas moins de planification, mais plus de complexit&eacute; dans un espace plus restreint. Des densit&eacute;s de b&acirc;timent plus &eacute;lev&eacute;es, des port&eacute;es plus importantes et une r&eacute;partition plus fine des charges sollicitent la planification de la structure porteuse. Les installations techniques doivent desservir davantage d&rsquo;unit&eacute;s d&rsquo;habitation par b&acirc;timent, avec des exigences plus &eacute;lev&eacute;es en mati&egrave;re d&rsquo;insonorisation, de ventilation, d&rsquo;acheminement des conduites et de logistique des compteurs.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">en mati&egrave;re de protection contre l&rsquo;incendie, les voies de fuite, les compartiments coupe-feu et les concepts de sauvetage deviennent plus exigeants, car la densification et la mixit&eacute; des usages augmentent. Parall&egrave;lement, la pression s&rsquo;accro&icirc;t sur les plans flexibles qui peuvent &ecirc;tre divis&eacute;s, regroup&eacute;s ou r&eacute;affect&eacute;s, de l&rsquo;appartement pour c&eacute;libataire &agrave; l&rsquo;appartement familial et inversement.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>transformation plut&ocirc;t que tabula rasa<br><\/strong>La construction neuve ne peut &agrave; elle seule rem&eacute;dier au d&eacute;s&eacute;quilibre structurel entre la taille des m&eacute;nages et celle des logements. La majeure partie du parc immobilier existant date de l&rsquo;&eacute;poque d&rsquo;autres mod&egrave;les de logement et de famille. La d&eacute;molition et le remplacement ne seraient justifiables ni sur le plan &eacute;conomique ni sur le plan &eacute;cologique.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">l&rsquo;attention se porte donc sur le parc existant. La division de grands appartements, les constructions compl&eacute;mentaires dans la cour, les sur&eacute;l&eacute;vations ou la r&eacute;affectation de surfaces de bureaux deviennent des t&acirc;ches d&rsquo;ing&eacute;nierie essentielles. Sur le plan technique, cela signifie des interventions au niveau de la statique et de la protection contre les incendies, la mise &agrave; niveau des installations techniques du b&acirc;timent en cours d&rsquo;exploitation et un travail de pr&eacute;cision sur l&rsquo;objet habit&eacute;.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>la surface, un levier sous-estim&eacute;<br><\/strong>Le message principal des &eacute;valuations, le chauffage, l&rsquo;<span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Isolation&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Abdichtung zur Verhinderung des Durchgangs von Gas, Wasser, W&auml;rme, Elektrizit&auml;t etc., z.B. Ummantelung von Elektrokabeln oder Rohrleitungen, W&auml;rmeisolation&lt;\/div&gt;\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">isolation<\/span> et la technique d&rsquo;installation sont d&eacute;terminants pour les besoins &eacute;nerg&eacute;tiques. Dans ce contexte, la surface habitable chauff&eacute;e par personne est d&eacute;terminante. Celui qui vit dans moins de m&egrave;tres carr&eacute;s r&eacute;duit automatiquement la charge de chauffage, l&rsquo;utilisation de mat&eacute;riaux et l&rsquo;&eacute;nergie d&rsquo;exploitation n&eacute;cessaire<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Des logements plus petits et plus efficaces sur le plan &eacute;nerg&eacute;tique deviennent ainsi une double cl&eacute;. Ils conviennent mieux aux m&eacute;nages de plus en plus petits et r&eacute;duisent sensiblement la consommation d&rsquo;&eacute;nergie du secteur du b&acirc;timent. Le downsizing a un effet plus imm&eacute;diat que de nombreuses mesures techniques isol&eacute;es, &agrave; condition que les plans restent vivables, adaptables et socialement mixtes.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>De plus en plus de personnes vivent dans moins d&rsquo;espace. Pour la premi\u00e8re fois depuis des d\u00e9cennies, les nouveaux logements sont plus petits, alors que la surface habitable par habitant reste historiquement \u00e9lev\u00e9e. Cette tendance modifie fondamentalement la planification, la construction et la politique \u00e9nerg\u00e9tique et fait de la surface elle-m\u00eame un levier de contr\u00f4le central.<\/p>\n","protected":false},"author":2,"featured_media":146922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pmpro_default_level":"","inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[9430,22699,55961,22357,22303,22438],"tags":[56376,872,3931,56377,2002,56378],"class_list":["post-146921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-fr","category-durabilite","category-evaluations-analyses-de-marche","category-industrie-du-batiment","category-suisse","category-trends-fr","tag-energieeffizienz-wohnen","tag-immoinvest-fr","tag-immonews-fr","tag-neubauwohnungen-trend","tag-news-fr","tag-wohnungsflaeche-pro-kopf","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"De plus en plus de personnes vivent dans moins d'espace. Pour la premi\u00e8re fois depuis des d\u00e9cennies, les nouveaux logements sont plus petits, alors que la surface habitable par habitant reste historiquement \u00e9lev\u00e9e. Cette tendance modifie fondamentalement la planification, la construction et la politique \u00e9nerg\u00e9tique et fait de la surface elle-m\u00eame un levier de contr\u00f4le central.","autor":"Quelle Ingenieur","ort":"","bildunterschrift":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"De plus en plus de personnes vivent dans moins d&#039;espace. Pour la premi\u00e8re fois depuis des d\u00e9cennies, les nouveaux logements sont plus petits, alors que la surface habitable par habitant reste historiquement \u00e9lev\u00e9e. Cette tendance modifie fondamentalement la planification, la construction et la politique \u00e9nerg\u00e9tique et fait de la surface elle-m\u00eame un levier de contr\u00f4le central.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/wohnungen-schrumpfen-wieder\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Les logements r\u00e9tr\u00e9cissent \u00e0 nouveau - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"De plus en plus de personnes vivent dans moins d&#039;espace. 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