{"id":390,"date":"2020-07-17T10:54:40","date_gmt":"2020-07-17T09:54:40","guid":{"rendered":"http:\/\/13.38.28.60\/?p=390"},"modified":"2023-09-15T15:42:05","modified_gmt":"2023-09-15T13:42:05","slug":"quest-ce-que-la-surface-utile","status":"publish","type":"post","link":"https:\/\/www.cityandyou.com\/blog\/2020\/07\/17\/quest-ce-que-la-surface-utile","title":{"rendered":"Qu&rsquo;est-ce que la surface utile ?"},"content":{"rendered":"\n<p><em>La surface utile est une m\u00e9thode de calcul qui sert \u00e0 d\u00e9finir la surface d\u2019un logement en prenant en compte les annexes. Plus pr\u00e9cise que la surface habitable, elle est utilis\u00e9e par de nombreux professionnels de l\u2019immobilier et sert de base de calcul dans le cadre de certains dispositifs fiscaux.<\/em><\/p>\n\n\n\n<div class=\"cta-wrapper\">\n    <a class=\"cta-custom\" href=\"\/estimation-immobiliere\">\n      Estimez votre bien\n    <\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Surface utile : d\u00e9finition<\/h2>\n\n\n\n<p>Selon l&rsquo;article R.353-16 du Code de la construction et de l&rsquo;habitation, la surface utile d\u2019un logement correspond \u00e0 la surface habitable augment\u00e9e de la moiti\u00e9 de la surface des annexes. On l\u2019appelle \u00e9galement \u201csurface pond\u00e9r\u00e9e\u201d.<\/p>\n\n\n\n<p><strong>Surface utile = surface habitable + 50 % de la surface des annexes<\/strong><\/p>\n\n\n\n<p>L\u2019objectif de cette m\u00e9thode de calcul est de d\u00e9terminer pr\u00e9cis\u00e9ment la surface utilisable d\u2019un logement en distinguant les surfaces destin\u00e9es \u00e0 l\u2019am\u00e9nagement et les lieux de stockage, de passage ou de loisir.<\/p>\n\n\n\n<p>La surface utile est principalement employ\u00e9e pour les programmes de constructions neuves. Elle est calcul\u00e9e d\u00e8s la validation des plans et mise \u00e0 disposition des futurs acheteurs par les constructeurs et <a href=\"https:\/\/www.cityandyou.com\/promotion-immobiliere\/promoteur-immobilier\">promoteurs immobiliers<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les annexes<\/h2>\n\n\n\n<p> <a href=\"https:\/\/www.legifrance.gouv.fr\/loda\/id\/JORFTEXT000000354336\/\">L\u2019arr\u00eat\u00e9 du 9 mai 1995<\/a> d\u00e9fini les annexes d\u2019un logement. Ce sont les pi\u00e8ces ext\u00e9rieures au logement. Il est donc impossible d\u2019y p\u00e9n\u00e9trer sans passer par une partie commune, un garage ou un lieu ouvert tel qu\u2019un jardin.<\/p>\n\n\n\n<p>Pour int\u00e9grer  le calcul de la surface utile, les annexes doivent b\u00e9n\u00e9ficier exclusivement \u00e0 l\u2019occupant du logement et b\u00e9n\u00e9ficier d\u2019une hauteur sous plafond sup\u00e9rieure \u00e0 1,80 m.<\/p>\n\n\n\n<p>Y correspondant alors :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les caves et sous-sols ;<\/li>\n\n\n\n<li>les remises et ateliers ;<\/li>\n\n\n\n<li>les s\u00e9choirs, celliers ext\u00e9rieurs et resserres ;<\/li>\n\n\n\n<li>les combles et greniers am\u00e9nageables ;<\/li>\n\n\n\n<li>les balcons, loggias et v\u00e9randas ;<\/li>\n\n\n\n<li>les terrasses accessibles sur \u00e9tages ou am\u00e9nag\u00e9es sur ouvrage enterr\u00e9 ou \u00e0 moiti\u00e9 enterr\u00e9, dans la limite de 9 m\u00b2.<\/li>\n<\/ul>\n\n\n\n<p>Certaines annexes ne rentrent jamais dans le calcul, notamment :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les terrasses non accessibles en \u00e9tage ou am\u00e9nag\u00e9es sur ouvrage enterr\u00e9 ou semi-enterr\u00e9 ;<\/li>\n\n\n\n<li>les places de stationnement ;<\/li>\n\n\n\n<li>les jardins et remises ;<\/li>\n\n\n\n<li>les annexes int\u00e9rieures d\u00e9j\u00e0 comptabilis\u00e9es dans la surface habitable (buanderies, s\u00e9choirs, etc.)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">La surface habitable<\/h2>\n\n\n\n<p><a href=\"http:\/\/13.38.28.60\/2020\/07\/13\/quest-ce-quune-surface-habitable\">La surface habitable<\/a> est, elle aussi, d\u00e9finie par le Code de la construction et de l\u2019habitation. Elle correspond \u00e0 la surface de plancher d\u2019un logement r\u00e9ellement disponible pour les occupants. On l\u2019obtient apr\u00e8s avoir d\u00e9duit certaines surfaces de la surface de plancher d\u2019un niveau clos et couvert.<\/p>\n\n\n\n<p><strong>Surface habitable = surface de plancher clos et couvert &#8211; surfaces du second oeuvre<\/strong><\/p>\n\n\n\n<p>Le calcul se fait \u00e0 partir du nu int\u00e9rieur des fa\u00e7ades, au-dessus des plinthes, et ne concerne que les espaces disposant d\u2019une hauteur sous plafond sup\u00e9rieure \u00e0 1,80 m. On d\u00e9duit ensuite les surfaces suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les espaces occup\u00e9s par les murs ;<\/li>\n\n\n\n<li>les cloisons ;<\/li>\n\n\n\n<li>les cages d\u2019escalier ;<\/li>\n\n\n\n<li>les gaines ;<\/li>\n\n\n\n<li>les embrasures de portes et de fen\u00eatres.<\/li>\n<\/ul>\n\n\n\n<p>Les surfaces correspondant aux combles am\u00e9nageables, sous-sols, garages, terrasses, loggias, balcons, v\u00e9randas, s\u00e9choirs ext\u00e9rieurs, locaux communs et d\u00e9pendances ne sont pas prises en compte dans le calcul de la surface habitable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00c0 quoi sert la surface utile ?<\/h2>\n\n\n\n<p>La surface utile sert \u00e0 d\u00e9finir la surface utilisable par les occupants d\u2019un logement de mani\u00e8re plus pr\u00e9cise que la surface habitable. Elle est utilis\u00e9e comme unit\u00e9 de r\u00e9f\u00e9rence par les professionnels pour r\u00e9aliser des <a href=\"https:\/\/www.cityandyou.com\/estimation-immobiliere\/estimation-maison\">estimations immobili\u00e8res<\/a>.&nbsp;<\/p>\n\n\n\n<p>Il existe trois autres cas de figure pour lesquels la surface utile fait office de r\u00e9f\u00e9rence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Calculer les loyers des logements sociaux<\/h3>\n\n\n\n<p>\u00c0 l\u2019origine, les organismes de<a href=\"http:\/\/13.38.28.60\/2022\/01\/12\/obligation-construction-des-logements-sociaux-promoteurs-immobiliers\"> logements sociaux<\/a> utilisaient la surface corrig\u00e9e pour calculer le montant des loyers des habitations propos\u00e9es \u00e0 la location. Mais, cette m\u00e9thode d\u2019estimation complexe a progressivement \u00e9t\u00e9 remplac\u00e9e par l\u2019utilisation de la surface utile, bien plus simple \u00e0 calculer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00e9terminer le plafond des loyers dans le cadre d\u2019un r\u00e9gime de d\u00e9fiscalisation<\/h3>\n\n\n\n<p>Enfin, la surface utile est utilis\u00e9e pour calculer le montant maximal des loyers \u00e0 respecter pour obtenir une r\u00e9duction d\u2019imp\u00f4ts dans le cadre de diff\u00e9rents r\u00e9gimes de d\u00e9fiscalisation (loi Pinel, loi Scellier, loi Duflot, etc.). Pour rappel, les logements concern\u00e9s doivent \u00eatre neufs ou assimil\u00e9s neufs.<\/p>\n\n\n\n<p>Le calcul de la surface utile comporte ici une petite subtilit\u00e9. En effet, la surface des annexes plafonne \u00e0 8 m\u00b2 par logement hormis pour les garages de maisons individuelles, qui repr\u00e9sentent un cas particulier.<\/p>\n\n\n\n<p>Il est difficile de d\u00e9finir pr\u00e9cis\u00e9ment si le garage sert uniquement de stationnement ou s\u2019il sert \u00e9galement d\u2019annexe au logement dans le cas d\u2019une maison individuelle. Aussi, la partie annexe habituellement r\u00e9serv\u00e9e au stationnement est d\u00e9finie forfaitairement \u00e0 12 m\u00b2 par habitation. Ces 12 m\u00b2 sont donc \u00e0 d\u00e9duire de la surface des annexes.<\/p>\n\n\n\n<p>\u00c0 savoir, on tol\u00e8re une marge d\u2019erreur de 5 % pour la d\u00e9termination de la surface d\u2019un logement. Au-del\u00e0, la personne ayant pris les mesures peut faire l&rsquo;objet de poursuites. Nous vous recommandons de faire appel \u00e0 un professionnel de l\u2019immobilier pour tout calcul de surface.<\/p>\n\n\n\n<p><strong>Depuis plusieurs ann\u00e9es, City&amp;You s\u2019engage aux c\u00f4t\u00e9s de propri\u00e9taires d\u00e9sireux de vendre leur bien \u00e0 un promoteur immobilier. Pour plus de renseignements, <a href=\"https:\/\/www.cityandyou.com\/estimation-immobiliere\">n\u2019h\u00e9sitez pas \u00e0 contacter nos \u00e9quipes !<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La surface utile est une m\u00e9thode de calcul qui sert \u00e0 d\u00e9finir la surface d\u2019un logement en prenant en compte&#8230;<\/p>\n","protected":false},"author":6,"featured_media":391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-immobilier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Surface utile d\u2019un logement : tout savoir<\/title>\n<meta name=\"description\" content=\"La surface utile sert \u00e0 d\u00e9terminer la surface d\u2019un logement en tenant compte de ses annexes. 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