{"id":310,"date":"2025-11-28T09:56:51","date_gmt":"2025-11-28T08:56:51","guid":{"rendered":"https:\/\/www.squarefinance.fr\/?p=310"},"modified":"2025-11-28T09:57:56","modified_gmt":"2025-11-28T08:57:56","slug":"decote-brune-immobilier-2025","status":"publish","type":"post","link":"https:\/\/www.squarefinance.fr\/index.php\/2025\/11\/28\/decote-brune-immobilier-2025\/","title":{"rendered":"La d\u00e9cote brune dans l\u2019immobilier : comprendre la perte de valeur des biens \u00e9nergivores"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>Introduction<\/strong><\/h2>\n\n\n\n<p>La transition \u00e9cologique ne transforme pas seulement les march\u00e9s financiers : elle bouleverse aussi le march\u00e9 <strong>immobilier<\/strong>, et de mani\u00e8re radicale.<br>La notion de <strong>d\u00e9cote brune<\/strong> ou <em>brown discount<\/em> d\u00e9signe d\u00e9sormais la <strong>baisse de valeur des biens immobiliers \u00e9nergivores<\/strong>, expos\u00e9s au risque carbone, aux obligations r\u00e9glementaires et \u00e0 la mont\u00e9e des exigences environnementales.<\/p>\n\n\n\n<p>Pour Square Finance, sp\u00e9cialis\u00e9 dans l\u2019analyse immobili\u00e8re et l\u2019investissement, comprendre cette d\u00e9cote est devenu essentiel : elle influence directement le prix, la rentabilit\u00e9 locative, les co\u00fbts futurs et l\u2019attrait des biens.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Qu\u2019est-ce que la d\u00e9cote brune dans l\u2019immobilier ?<\/strong><\/h1>\n\n\n\n<p>La <strong>d\u00e9cote brune immobili\u00e8re<\/strong> correspond \u00e0 la <strong>perte de valeur<\/strong> subie par les logements ou b\u00e2timents qui pr\u00e9sentent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>une <strong>mauvaise performance \u00e9nerg\u00e9tique<\/strong> (classes F et G du DPE)<\/li>\n\n\n\n<li>des <strong>\u00e9missions carbone \u00e9lev\u00e9es<\/strong><\/li>\n\n\n\n<li>une <strong>consommation excessive d\u2019\u00e9nergie<\/strong><\/li>\n\n\n\n<li>l\u2019absence de travaux de r\u00e9novation ou de mise aux normes<\/li>\n<\/ul>\n\n\n\n<p>Autrement dit :<br>\u27a1\ufe0f <strong>Plus un bien est \u201cbrun\u201d, plus son prix baisse<\/strong>.<br>\u27a1\ufe0f <strong>Plus un bien est \u201cvert\u201d, plus sa valeur augmente<\/strong>.<\/p>\n\n\n\n<p>Cette tendance est d\u00e9sormais mesurable sur le march\u00e9 fran\u00e7ais et europ\u00e9en.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Pourquoi les biens bruns perdent-ils de la valeur ?<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Les nouvelles r\u00e9glementations rendent certains biens \u201cnon louables\u201d<\/strong><\/h2>\n\n\n\n<p>Depuis la loi Climat &amp; R\u00e9silience :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les logements <strong>G+<\/strong> sont interdits \u00e0 la location.<\/li>\n\n\n\n<li>Les logements <strong>G<\/strong> sont interdits depuis 2025.<\/li>\n\n\n\n<li>Les logements <strong>F<\/strong> seront interdits en 2028.<\/li>\n<\/ul>\n\n\n\n<p>\u27a1\ufe0f Cette interdiction entra\u00eene une <strong>d\u00e9pr\u00e9ciation automatique<\/strong> des biens \u00e9nergivores.<br>\u27a1\ufe0f Les investisseurs fuient les passoires thermiques non r\u00e9nov\u00e9es.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Le co\u00fbt des travaux n\u00e9cessaires fait baisser le prix<\/strong><\/h2>\n\n\n\n<p>Pour remettre un bien F ou G en conformit\u00e9, les co\u00fbts de r\u00e9novation \u00e9nerg\u00e9tique sont souvent compris entre :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>20 000 \u20ac et 45 000 \u20ac<\/strong> pour un appartement<\/li>\n\n\n\n<li><strong>40 000 \u20ac \u00e0 80 000 \u20ac<\/strong> pour une maison<\/li>\n<\/ul>\n\n\n\n<p>Les acheteurs d\u00e9duisent ces montants du prix d&rsquo;achat \u2192 <strong>d\u00e9cote imm\u00e9diate<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Le co\u00fbt du financement augmente pour les biens bruns<\/strong><\/h2>\n\n\n\n<p>Les banques int\u00e8grent de plus en plus le <strong>risque \u00e9nerg\u00e9tique<\/strong> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>pr\u00eats moins favorables<\/li>\n\n\n\n<li>taux plus \u00e9lev\u00e9s<\/li>\n\n\n\n<li>conditions d\u2019assurance durcies<\/li>\n<\/ul>\n\n\n\n<p>Un bien brun est consid\u00e9r\u00e9 comme <strong>risqu\u00e9<\/strong>, ce qui affecte le rendement global.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. La demande se tourne vers les biens performants<\/strong><\/h2>\n\n\n\n<p>Les acheteurs recherchent aujourd\u2019hui :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>des factures ma\u00eetris\u00e9es<\/li>\n\n\n\n<li>du confort thermique<\/li>\n\n\n\n<li>un bien durable dans le temps<\/li>\n<\/ul>\n\n\n\n<p>R\u00e9sultat :<br>\u27a1\ufe0f Les biens DPE A\/B\/C s\u2019arrachent.<br>\u27a1\ufe0f Les biens F\/G stagnent ou chutent, parfois jusqu\u2019\u00e0 <strong>-20 \u00e0 -30 %<\/strong> selon les march\u00e9s.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Quels types de biens sont les plus touch\u00e9s par la d\u00e9cote brune ?<\/strong><\/h1>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"474\" height=\"379\" src=\"https:\/\/www.squarefinance.fr\/wp-content\/uploads\/2025\/11\/OIP.jpg\" alt=\"https:\/\/www.monsuivilogement.fr\/wp-content\/uploads\/2023\/03\/15-819x1024.png\" class=\"wp-image-312\" srcset=\"https:\/\/www.squarefinance.fr\/wp-content\/uploads\/2025\/11\/OIP.jpg 474w, https:\/\/www.squarefinance.fr\/wp-content\/uploads\/2025\/11\/OIP-300x240.jpg 300w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Les immeubles anciens non r\u00e9nov\u00e9s<\/strong><\/h3>\n\n\n\n<p>Ann\u00e9es 1940\u20131970, chauffages au fioul, simple vitrage\u2026<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Les maisons individuelles mal isol\u00e9es<\/strong><\/h3>\n\n\n\n<p>Toiture, murs, planchers ou fen\u00eatres \u00e9nergivores.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Les logements en copropri\u00e9t\u00e9 sans plan de travaux<\/strong><\/h3>\n\n\n\n<p>Copropri\u00e9t\u00e9s vieillissantes, absence de fonds travaux, inertie des copropri\u00e9taires.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Les biens situ\u00e9s en zones moins tendues<\/strong><\/h3>\n\n\n\n<p>Moins de pression de la demande = d\u00e9cote accentu\u00e9e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Comment la d\u00e9cote brune transforme le march\u00e9 immobilier ?<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Une dualit\u00e9 nette entre biens \u201cverts\u201d et biens \u201cbruns\u201d<\/strong><\/h2>\n\n\n\n<p>On observe d\u00e9sormais un <strong>march\u00e9 \u00e0 deux vitesses<\/strong> :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les biens performants <strong>gagnent en valeur<\/strong><\/li>\n\n\n\n<li>Les biens \u00e9nergivores <strong>perdent en attractivit\u00e9<\/strong> et en prix<\/li>\n<\/ul>\n\n\n\n<p>C\u2019est un basculement structurel, pas conjoncturel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. La r\u00e9novation \u00e9nerg\u00e9tique devient un crit\u00e8re d&rsquo;investissement<\/strong><\/h2>\n\n\n\n<p>Les investisseurs immobiliers doivent d\u00e9sormais int\u00e9grer :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le co\u00fbt des travaux<\/li>\n\n\n\n<li>l\u2019\u00e9volution du DPE<\/li>\n\n\n\n<li>les aides disponibles (MaPrimeR\u00e9nov\u2019, CEE\u2026)<\/li>\n\n\n\n<li>les risques de non-location<\/li>\n<\/ul>\n\n\n\n<p>L\u2019immobilier est devenu <strong>un actif sous contrainte \u00e9cologique<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Les biens bruns offrent encore des opportunit\u00e9s\u2026 mais \u00e0 condition d\u2019agir<\/strong><\/h2>\n\n\n\n<p>Un bien F ou G peut devenir une <strong>opportunit\u00e9 d\u2019achat<\/strong> si :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>le prix int\u00e8gre r\u00e9ellement le co\u00fbt des travaux<\/li>\n\n\n\n<li>la copropri\u00e9t\u00e9 est proactive<\/li>\n\n\n\n<li>le potentiel de revalorisation est \u00e9lev\u00e9<\/li>\n<\/ul>\n\n\n\n<p>La strat\u00e9gie \u201cacheter du brun pour en faire du vert\u201d devient rentable mais demande expertise et budget.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>La d\u00e9cote brune : menace ou opportunit\u00e9 ?<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Menace pour :<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>propri\u00e9taires passifs<\/li>\n\n\n\n<li>biens structurellement difficiles \u00e0 r\u00e9nover<\/li>\n\n\n\n<li>investisseurs \u00e0 court terme<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Opportunit\u00e9 pour :<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>investisseurs orient\u00e9s cr\u00e9ation de valeur<\/li>\n\n\n\n<li>acheteurs capables de financer les travaux<\/li>\n\n\n\n<li>strat\u00e9gies patrimoniales long terme<\/li>\n<\/ul>\n\n\n\n<p>Dans un march\u00e9 immobilier en mutation, <strong>la d\u00e9cote brune devient un levier strat\u00e9gique<\/strong>, pas seulement un risque.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Conclusion : la d\u00e9cote brune va red\u00e9finir la valeur immobili\u00e8re<\/strong><\/h1>\n\n\n\n<p>La d\u00e9cote brune n\u2019est plus un concept th\u00e9orique : c\u2019est une <strong>r\u00e9alit\u00e9 de march\u00e9<\/strong>.<br>Elle modifie la valeur, la rentabilit\u00e9, la liquidit\u00e9 et la projection patrimoniale d\u2019un bien.<\/p>\n\n\n\n<p>Pour Square Finance, accompagner les clients dans cette transformation signifie :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>anticiper les \u00e9volutions r\u00e9glementaires<\/li>\n\n\n\n<li>analyser le DPE et les risques associ\u00e9s<\/li>\n\n\n\n<li>calculer la rentabilit\u00e9 apr\u00e8s r\u00e9novation<\/li>\n\n\n\n<li>identifier les biens \u00e0 fort potentiel de revalorisation<\/li>\n<\/ul>\n\n\n\n<p>L\u2019immobilier de demain sera <strong>\u00e9nerg\u00e9tiquement performant<\/strong>, ou il sera <strong>d\u00e9cot\u00e9<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction La transition \u00e9cologique ne transforme pas seulement les march\u00e9s financiers : elle bouleverse aussi le march\u00e9 immobilier, et de mani\u00e8re radicale.La notion de d\u00e9cote brune ou brown discount d\u00e9signe d\u00e9sormais la baisse de valeur des biens immobiliers \u00e9nergivores, expos\u00e9s au risque carbone, aux obligations r\u00e9glementaires et \u00e0 la mont\u00e9e des exigences environnementales. Pour Square [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":311,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[79,80,45,83,82,84],"class_list":["post-310","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classe","tag-decote-brune","tag-dpe","tag-immobilier","tag-logement-energivore","tag-passoire-thermique","tag-valeur-verte","post-wrapper","thrv_wrapper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La d\u00e9cote brune dans l\u2019immobilier : comprendre la perte de valeur des biens \u00e9nergivores - Square Finance<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment la d\u00e9cote brune impacte la valeur des biens immobiliers \u00e9nergivores en 2025 et pourquoi 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