{"id":166932,"date":"2026-10-07T12:30:00","date_gmt":"2026-10-07T10:30:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=166932"},"modified":"2026-10-07T08:52:43","modified_gmt":"2026-10-07T06:52:43","slug":"maklerwahl-kann-verkaufspreise-massiv-verschieben","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/maklerwahl-kann-verkaufspreise-massiv-verschieben\/","title":{"rendered":"Le choix de l&rsquo;agent immobilier peut influencer consid\u00e9rablement les prix de vente"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9tude de la ZHAW a \u00e9t\u00e9 men\u00e9e d&rsquo;avril \u00e0 d\u00e9cembre 2024 et publi\u00e9e en 2026. Elle analyse les \u00e9carts entre les prix de vente propos\u00e9s par diff\u00e9rents agents immobiliers et examine comment les incitations contractuelles peuvent influencer le prix de vente effectif. L\u2019accent est ainsi mis moins sur la situation du march\u00e9 en soi que sur la structure de commercialisation elle-m\u00eame.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>De grandes diff\u00e9rences pour un m\u00eame bien immobilier<br><\/strong>Selon l\u2019\u00e9tude d\u00e9sormais disponible, deux agents immobiliers peuvent estimer le m\u00eame<strong>bien<\/strong>immobilier en Suisse avec une diff\u00e9rence de 180 000 francs. L\u2019analyse sous-jacente porte sur plus de 260 transactions. Parall\u00e8lement, le projet de recherche souligne que des proc\u00e9dures de s\u00e9lection fond\u00e9es sur des donn\u00e9es et des syst\u00e8mes d\u2019incitation adapt\u00e9s devraient am\u00e9liorer le processus de vente.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les commissions envoient de mauvais signaux<br><\/strong>Les conclusions concernant les mod\u00e8les de r\u00e9mun\u00e9ration sont particuli\u00e8rement r\u00e9v\u00e9latrices. Selon les travaux publi\u00e9s dans le cadre du projet de la ZHAW, la diff\u00e9rence de prix entre les transactions comportant une commission sur marge sup\u00e9rieure \u00e0 10 % et celles dont la marge est inf\u00e9rieure s\u2019\u00e9levait \u00e0 120 461 francs. Pour les propri\u00e9taires, cela signifie que ce n\u2019est pas seulement le montant de la commission qui compte, mais aussi sa structure. Un mod\u00e8le offrant une incitation suppl\u00e9mentaire faible peut inciter l\u2019agent immobilier \u00e0 privil\u00e9gier une conclusion rapide de la vente plut\u00f4t que le prix le plus \u00e9lev\u00e9 possible.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Le manque de donn\u00e9es reste un probl\u00e8me du march\u00e9<br><\/strong>Ce constat s\u2019applique \u00e0 un march\u00e9 o\u00f9 les donn\u00e9es transactionnelles ne sont accessibles au public que de mani\u00e8re limit\u00e9e. La ZHAW d\u00e9crit explicitement son projet comme une tentative d\u2019am\u00e9liorer l\u2019\u00e9valuation, le choix de l\u2019agent immobilier et le syst\u00e8me d\u2019incitation gr\u00e2ce \u00e0 l\u2019analyse des donn\u00e9es. Parall\u00e8lement, Bestag fait valoir que le manque de transparence des donn\u00e9es comparatives accro\u00eet la d\u00e9pendance vis-\u00e0-vis de certains acteurs du march\u00e9. Pour les vendeurs de biens immobiliers r\u00e9sidentiels, le choix de l\u2019agent immobilier devient ainsi un levier financier et non plus une simple question de commercialisation.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Concr\u00e8tement, cela signifie avant tout une chose : toute personne vendant un bien immobilier r\u00e9sidentiel devrait examiner s\u00e9par\u00e9ment l\u2019\u00e9valuation, le mod\u00e8le de contrat et le choix de l\u2019agent immobilier. C\u2019est pr\u00e9cis\u00e9ment l\u00e0 qu\u2019une diff\u00e9rence \u00e0 six chiffres peut appara\u00eetre dans certains cas, m\u00eame si le bien et le march\u00e9 restent identiques.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>En Suisse, le choix de l&rsquo;agent immobilier peut influencer de mani\u00e8re significative le produit de la vente d&rsquo;un bien immobilier r\u00e9sidentiel. Une \u00e9tude de la ZHAW, r\u00e9alis\u00e9e sur la base de plus de 260 transactions, met en \u00e9vidence des \u00e9carts d&rsquo;estimation pouvant atteindre 180 000 francs et des diff\u00e9rences de prix marqu\u00e9es selon le mod\u00e8le de r\u00e9mun\u00e9ration.<\/p>\n","protected":false},"author":2,"featured_media":166933,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[55961,56003,22303,55970,56030],"tags":[6211,3070,872,3931,2002,62563,62564,32797,6170],"class_list":["post-166932","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evaluations-analyses-de-marche","category-residentiel","category-suisse","category-transactions-deals","category-vente-courtage","tag-immobilienbewertung-fr","tag-immobilienmakler-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-provisionen","tag-transaktionsdaten","tag-verkaufspreis-fr","tag-wohneigentum-fr"],"acf":{"bild_mit_ki_erstellt_worden":["Ja"],"lead":"En Suisse, le choix de l'agent immobilier peut influencer de mani\u00e8re significative le produit de la vente d'un bien immobilier r\u00e9sidentiel. Une \u00e9tude de la ZHAW, r\u00e9alis\u00e9e sur la base de plus de 260 transactions, met en \u00e9vidence des \u00e9carts d'estimation pouvant atteindre 180 000 francs et des diff\u00e9rences de prix marqu\u00e9es selon le mod\u00e8le de r\u00e9mun\u00e9ration.","autor":"","ort":"Schweiz","bildunterschrift":"","zusammenfassung":"<ul>\r\n<li>Die Maklerwahl kann den Verkaufserl\u00f6s deutlich verschieben.<\/li>\r\n<li>Zwei Sch\u00e4tzungen k\u00f6nnen bis zu 180\u2019000 Franken abweichen.<\/li>\r\n<li>Auch das Provisionsmodell beeinflusst den erzielten Verkaufspreis.<\/li>\r\n<\/ul>\r\n","bild_im_grid":false,"gallerie":"","newsim":"4337"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"En Suisse, le choix de l&#039;agent immobilier peut influencer de mani\u00e8re significative le produit de la vente d&#039;un bien immobilier r\u00e9sidentiel. Une \u00e9tude de la ZHAW, r\u00e9alis\u00e9e sur la base de plus de 260 transactions, met en \u00e9vidence des \u00e9carts d&#039;estimation pouvant atteindre 180 000 francs et des diff\u00e9rences de prix marqu\u00e9es selon le mod\u00e8le de r\u00e9mun\u00e9ration.\" \/>\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\/maklerwahl-kann-verkaufspreise-massiv-verschieben\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2.1\" \/>\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=\"Le choix de l\u2019agent immobilier peut influencer consid\u00e9rablement les prix de vente - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"En Suisse, le choix de l&#039;agent immobilier peut influencer de mani\u00e8re significative le produit de la vente d&#039;un bien immobilier r\u00e9sidentiel. Une \u00e9tude de la ZHAW, r\u00e9alis\u00e9e sur la base de plus de 260 transactions, met en \u00e9vidence des \u00e9carts d&#039;estimation pouvant atteindre 180 000 francs et des diff\u00e9rences de prix marqu\u00e9es selon le mod\u00e8le de r\u00e9mun\u00e9ration.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.immo-invest.ch\/fr\/maklerwahl-kann-verkaufspreise-massiv-verschieben\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/10\/Maklerwahl-kann-Verkaufspreise-massiv-verschieben-immo-invest.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/10\/Maklerwahl-kann-Verkaufspreise-massiv-verschieben-immo-invest.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-07T10:30:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-07T06:52:43+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Immoinvest\/100077962920504\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@i\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Le choix de l\u2019agent immobilier peut influencer consid\u00e9rablement les prix de vente - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta name=\"twitter:description\" content=\"En Suisse, le choix de l&#039;agent immobilier peut influencer de mani\u00e8re significative le produit de la vente d&#039;un bien immobilier r\u00e9sidentiel. Une \u00e9tude de la ZHAW, r\u00e9alis\u00e9e sur la base de plus de 260 transactions, met en \u00e9vidence des \u00e9carts d&#039;estimation pouvant atteindre 180 000 francs et des diff\u00e9rences de prix marqu\u00e9es selon le mod\u00e8le de r\u00e9mun\u00e9ration.\" \/>\n\t\t<meta name=\"twitter:creator\" content=\"@i\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2026\/10\/Maklerwahl-kann-Verkaufspreise-massiv-verschieben-immo-invest.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/maklerwahl-kann-verkaufspreise-massiv-verschieben\\\/#blogposting\",\"name\":\"Le choix de l\\u2019agent immobilier peut influencer consid\\u00e9rablement les prix de vente - immo!nvest - Die Plattform f\\u00fcr Standorte und Immobilien\",\"headline\":\"Le choix de l&rsquo;agent immobilier peut influencer consid\\u00e9rablement les prix de vente\",\"author\":{\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/author\\\/immovestuser\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.immo-invest.ch\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Maklerwahl-kann-Verkaufspreise-massiv-verschieben-immo-invest.png\",\"width\":1536,\"height\":768},\"datePublished\":\"2026-10-07T12:30:00+02:00\",\"dateModified\":\"2026-10-07T08:52:43+02:00\",\"inLanguage\":\"fr-FR\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/maklerwahl-kann-verkaufspreise-massiv-verschieben\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.immo-invest.ch\\\/fr\\\/maklerwahl-kann-verkaufspreise-massiv-verschieben\\\/#webpage\"},\"articleSection\":\"\\u00c9valuations &amp; 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