{"id":6413,"date":"2026-04-08T17:09:41","date_gmt":"2026-04-08T11:39:41","guid":{"rendered":"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises"},"modified":"2026-04-08T17:09:41","modified_gmt":"2026-04-08T11:39:41","slug":"refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises","status":"publish","type":"post","link":"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises","title":{"rendered":"Refaire l\u2019\u00e9lectricit\u00e9 d\u2019une maison : Comment \u00e9viter les mauvaises surprises ?"},"content":{"rendered":"<p>Refaire l\u2019\u00e9lectricit\u00e9 d\u2019une maison est une \u00e9tape cruciale qui garantit la <strong>s\u00e9curit\u00e9<\/strong>, le confort et valorise le patrimoine immobilier. Une planification minutieuse et un choix r\u00e9fl\u00e9chi des mat\u00e9riaux et \u00e9quipements peuvent \u00e9viter bien des mauvaises surprises. En 2026, les normes <strong>\u00e9lectriques<\/strong> en mati\u00e8re de r\u00e9novation restent particuli\u00e8rement strictes, et il est essentiel de s\u2019y conformer.<\/p>\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Sommaire : <\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #545454;color:#545454\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #545454;color:#545454\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises\/#Les-principaux-couts-de-la-renovation-electrique\" >Les principaux co\u00fbts de la r\u00e9novation \u00e9lectrique<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises\/#Deroulement-dune-renovation-electrique-complete\" >D\u00e9roulement d\u2019une r\u00e9novation \u00e9lectrique compl\u00e8te<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises\/#Quand-demander-un-devis-personnalise\" >Quand demander un devis personnalis\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises\/#Choix-des-equipements-vers-une-securite-renforcee\" >Choix des \u00e9quipements : vers une s\u00e9curit\u00e9 renforc\u00e9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/refaire-lelectricite-dune-maison-comment-eviter-les-mauvaises-surprises\/#Conseils-pour-reduire-les-couts-et-eviter-les-pieges\" >Conseils pour r\u00e9duire les co\u00fbts et \u00e9viter les pi\u00e8ges<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Les-principaux-couts-de-la-renovation-electrique\"><\/span>Les principaux co\u00fbts de la r\u00e9novation \u00e9lectrique<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Le co\u00fbt d\u2019une <strong>installation \u00e9lectrique<\/strong> d\u00e9pend principalement de plusieurs param\u00e8tres :<\/p>\n\n<ul class=\"wp-block-list\"><li>La <strong>surface \u00e0 r\u00e9nover<\/strong>.<\/li><li>L\u2019\u00e9tat de l&rsquo;<strong>installation \u00e9lectrique<\/strong> actuelle.<\/li><li>Les finitions et \u00e9quipements souhait\u00e9s.<\/li><\/ul>\n\n<p>Par exemple, le co\u00fbt d\u2019une <strong>r\u00e9novation compl\u00e8te<\/strong> peut varier de 90 \u00e0 250 \u20ac par m\u00b2, tandis qu&rsquo;une mise aux normes co\u00fbtera entre 90 et 110 \u20ac par m\u00b2. Les tableaux ci-dessous illustrent ces variations.<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>Type de prestation<\/th>\n<th>Prix moyen au m\u00b2 TTC<\/th>\n<th>Travaux inclus<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>R\u00e9novation compl\u00e8te<\/td>\n<td>90 \u00e0 250 \u20ac<\/td>\n<td>Fournitures et main d\u2019\u0153uvre<\/td>\n<\/tr>\n<tr>\n<td>Mise aux normes NF C 15-100<\/td>\n<td>90 \u00e0 110 \u20ac<\/td>\n<td>Mise en conformit\u00e9, s\u00e9curit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Pose d\u2019un tableau \u00e9lectrique<\/td>\n<td>1000 \u00e0 2000 \u20ac<\/td>\n<td>Remplacement complet<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Deroulement-dune-renovation-electrique-complete\"><\/span>D\u00e9roulement d\u2019une r\u00e9novation \u00e9lectrique compl\u00e8te<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Un projet commence par une <strong>visite technique<\/strong>, o\u00f9 l\u2019\u00e9lectricien r\u00e9alise un diagnostic \u00e9lectrique d\u00e9taill\u00e9. Cette \u00e9tape cruciale garantit la conformit\u00e9 avec les normes <strong>NF C 15-100<\/strong>. Un devis d\u00e9taill\u00e9 sera ensuite propos\u00e9, pr\u00e9cisant le type de pose (saillie, semi-encastr\u00e9e, encastr\u00e9e) et les \u00e9quipements n\u00e9cessaires.<\/p>\n\n<p>Les \u00e9tapes cl\u00e9s incluent :<\/p>\n\n<ol class=\"wp-block-list\"><li>Visite technique et \u00e9tat des lieux.<\/li><li>Analyse des besoins en c\u00e2blage et \u00e9clairage.<\/li><li>Proposition d\u2019un devis d\u00e9taill\u00e9.<\/li><li>Choix des finitions et du type de pose.<\/li><li>R\u00e9alisation des travaux selon le cahier des charges.<\/li><\/ol>\n\n<figure class=\"is-provider-youtube is-type-video wp-block-embed wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Ep01 - L&#039;\u00e9lectricit\u00e9 maison soi-m\u00eame: circuits d\u00e9di\u00e9s et prises.\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/0jWq081kRw4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quand-demander-un-devis-personnalise\"><\/span>Quand demander un devis personnalis\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Plusieurs situations n\u00e9cessitent une <strong>r\u00e9novation \u00e9lectrique<\/strong> :<\/p>\n\n<ul class=\"wp-block-list\"><li>Achat ou vente immobili\u00e8re.<\/li><li>Installation v\u00e9tuste \u00e0 s\u00e9curiser.<\/li><li>Dysfonctionnements fr\u00e9quents.<\/li><li>R\u00e9novation \u00e9nerg\u00e9tique globale.<\/li><\/ul>\n\n<p>Un devis personnalis\u00e9 permet d\u2019\u00e9valuer le budget n\u00e9cessaire et d\u2019anticiper les co\u00fbts cach\u00e9s souvent oubli\u00e9s, comme les finitions et l&rsquo;am\u00e9nagement des murs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choix-des-equipements-vers-une-securite-renforcee\"><\/span>Choix des \u00e9quipements : vers une s\u00e9curit\u00e9 renforc\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Les \u00e9quipements choisis doivent r\u00e9pondre aux normes de s\u00e9curit\u00e9 \u00e9lectrique. Opter pour des dispositifs comme les <strong>disjoncteurs diff\u00e9rentiel<\/strong> et un tableau \u00e9lectrique moderne permet de mieux prot\u00e9ger l\u2019installation contre les <strong>risques \u00e9lectriques<\/strong>. Des <strong>solutions domotiques<\/strong> peuvent \u00e9galement optimiser la gestion \u00e9nerg\u00e9tique de la maison.<\/p>\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u00c9quipement<\/th>\n<th>Fonction principale<\/th>\n<th>Avantage s\u00e9curit\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Disjoncteur diff\u00e9rentiel 30 mA<\/td>\n<td>Protection contre les fuites de courant<\/td>\n<td>D\u00e9tecte les d\u00e9fauts d\u2019isolement<\/td>\n<\/tr>\n<tr>\n<td>Parafoudre<\/td>\n<td>Protection contre les surtensions<\/td>\n<td>Pr\u00e9serve les appareils sensibles<\/td>\n<\/tr>\n<tr>\n<td>Prise avec clapet<\/td>\n<td>Utilisation en milieu humide<\/td>\n<td>Pr\u00e9vient les \u00e9claboussures<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n<figure class=\"is-provider-youtube is-type-video wp-block-embed wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\u00c9lectricit\u00e9 sous goulotte - Ma Maison de A \u00e0 Z\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/36Xq4ZbJSqQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conseils-pour-reduire-les-couts-et-eviter-les-pieges\"><\/span>Conseils pour r\u00e9duire les co\u00fbts et \u00e9viter les pi\u00e8ges<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n<p>Pour r\u00e9ussir sa <strong>r\u00e9novation \u00e9lectrique<\/strong> sans surprises financi\u00e8res, il est conseill\u00e9 de :<\/p>\n\n<ul class=\"wp-block-list\"><li>Demander plusieurs devis d\u00e9taill\u00e9s.<\/li><li>Anticiper les impr\u00e9vus structurels.<\/li><li>Pr\u00e9voir les frais de finition dans le budget.<\/li><li>\u00c9viter les r\u00e9novations partielles qui obligent souvent \u00e0 recommencer.<\/li><\/ul>\n\n<p>Avoir une vision claire des postes budg\u00e9taires permet d\u2019aborder les travaux avec s\u00e9r\u00e9nit\u00e9.<\/p>\n\n<p>Pour une installation \u00e9lectrique fiable et conforme aux normes, il est donc essentiel de bien planifier chaque \u00e9tape et de faire appel \u00e0 un <strong>professionnel \u00e9lectricien<\/strong>.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>Refaire l\u2019\u00e9lectricit\u00e9 d\u2019une maison est une \u00e9tape cruciale qui garantit la s\u00e9curit\u00e9, le confort et valorise le patrimoine immobilier. Une [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"close","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1537],"tags":[],"class_list":["post-6413","post","type-post","status-publish","format-standard","hentry","category-chaleur-courant"],"_links":{"self":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts\/6413","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/comments?post=6413"}],"version-history":[{"count":0,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts\/6413\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/media?parent=6413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/categories?post=6413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/tags?post=6413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}