{"id":355,"date":"2025-09-03T11:32:37","date_gmt":"2025-09-03T09:32:37","guid":{"rendered":"https:\/\/mondevis.com\/blog\/erreurs-devis-en-ligne\/"},"modified":"2025-09-23T10:20:37","modified_gmt":"2025-09-23T08:20:37","slug":"erreurs-devis-en-ligne","status":"publish","type":"post","link":"https:\/\/mondevis.com\/blog\/erreurs-devis-en-ligne\/","title":{"rendered":"Devis en ligne : 5 erreurs \u00e0 \u00e9viter avant de signer"},"content":{"rendered":"\r\n<p>Signer un devis en ligne engage \u00e0 minima sur 500 \u00e0 3 000\u202f\u20ac pour des travaux standards, avec des \u00e9carts bien plus importants selon le secteur. Pourtant, 37\u202f% des particuliers interrog\u00e9s par Papernest d\u00e9clarent avoir rencontr\u00e9 un litige faute d\u2019avoir v\u00e9rifi\u00e9 certains d\u00e9tails, selon une enqu\u00eate men\u00e9e en 2024. Pour s\u00e9curiser votre engagement et \u00e9viter des surco\u00fbts inattendus, voici 5 points \u00e0 contr\u00f4ler absolument, test\u00e9s sur des plateformes comme Mondevis.com, Travaux.com ou ClicDevis. Cette s\u00e9lection d\u2019astuces s\u2019appuie sur des exemples concrets de devis valid\u00e9s par des artisans aguerris pour que vous puissiez signer sereinement en 2025.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">V\u00e9rification des informations l\u00e9gales de l\u2019entreprise : le socle d\u2019un devis fiable<\/h2>\r\n\r\n\r\n\r\n<p>Un devis en ligne n\u2019a force contractuelle qu\u2019avec un professionnel d\u00e9clar\u00e9\u202f: contr\u00f4lez toujours les mentions l\u00e9gales avant toute signature. Un num\u00e9ro SIRET valide, une adresse postale compl\u00e8te et la mention du statut juridique figurent sur tout devis conforme \u00e0 la norme du Code de la consommation.<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Num\u00e9ro SIRET<\/strong> : 14 chiffres uniques, obligatoire<\/li>\r\n\r\n\r\n\r\n<li>Identit\u00e9 et adresse de l\u2019entreprise\u202f: \u00e0 recouper sur Infogreffe, www.societe.com ou Ootravaux<\/li>\r\n\r\n\r\n\r\n<li>Statut juridique : EURL, SAS, SARL, pr\u00e9cis\u00e9es noir sur blanc<\/li>\r\n\r\n\r\n\r\n<li>Num\u00e9ro de TVA intracommunautaire pour les pros assujettis<\/li>\r\n\r\n\r\n\r\n<li>Mentions assurantielles\u202f: garantie d\u00e9cennale obligatoire pour le BTP<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Chez mondevis.com par exemple, tout devis pr\u00e9sente ces \u00e9l\u00e9ments, gage de s\u00e9rieux contractuel. Ignorer ce point expose \u00e0 de possibles recours impossibles en cas de litige.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>\u00c9l\u00e9ment \u00e0 v\u00e9rifier<\/th>\r\n<th>Description<\/th>\r\n<th>O\u00f9 v\u00e9rifier<\/th>\r\n<th>Risque si absent<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Num\u00e9ro SIRET<\/td>\r\n<td>14 chiffres uniques li\u00e9s \u00e0 l\u2019immatriculation<\/td>\r\n<td>Infogreffe, Mondevis.com<\/td>\r\n<td>Aucune valeur l\u00e9gale du devis<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Adresse &amp; Nom<\/td>\r\n<td>Coordonn\u00e9es exactes de la soci\u00e9t\u00e9<\/td>\r\n<td>Site officiel de l\u2019entreprise, Quotatis<\/td>\r\n<td>Impossible d\u2019identifier le prestataire<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Assurance d\u00e9cennale<\/td>\r\n<td>Document prouvant l\u2019assurance<\/td>\r\n<td>Fournie sur demande<\/td>\r\n<td>Pas de recours en cas de malfa\u00e7on<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<p>\u00c0 noter qu'il est d'autant plus important de demander un devis lorsque la prestation concerne un \u00e9quipement de la maison. Remplacement de fen\u00eatre, pose d'un cuisine, r<a href=\"https:\/\/mondevis.com\/blog\/securite-chauffe-eau-prix\/\">emplacement d'un groupe de s\u00e9curit\u00e9 de chauffe-eau<\/a>, ramonage... Les malfa\u00e7ons peuvent co\u00fbter tr\u00e8s chers.<\/p>\r\n\r\n\r\n\r\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1344\" height=\"768\" class=\"wp-image-353\" src=\"https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-1.jpg\" alt=\"d\u00e9couvrez les 5 erreurs courantes \u00e0 \u00e9viter avant de signer un devis en ligne. suivez nos conseils pour s\u00e9curiser vos engagements et \u00e9viter les mauvaises surprises lors de vos d\u00e9marches.\" srcset=\"https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-1.jpg 1344w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-1-300x171.jpg 300w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-1-1024x585.jpg 1024w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-1-768x439.jpg 768w\" sizes=\"auto, (max-width: 1344px) 100vw, 1344px\" \/><\/p>\r\n\r\n\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Analyser la description d\u00e9taill\u00e9e des travaux et mat\u00e9riaux<\/h2>\r\n\r\n\r\n\r\n<p>Un devis doit d\u00e9tailler chaque prestation pour \u00e9viter toute ambigu\u00eft\u00e9. Les plateformes comme Papernest ou ClicDevis l\u2019exigent syst\u00e9matiquement, car il n\u2019est pas rare d\u2019observer des \u00e9carts de 15 \u00e0 30\u202f% sur les mat\u00e9riaux selon la pr\u00e9cision du devis.<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>Nom pr\u00e9cis des mat\u00e9riaux<\/strong>\u202f: marque, gamme, quantit\u00e9\/\u202fm\u00b2 ou en litres<\/li>\r\n\r\n\r\n\r\n<li>Nature des prestations (main-d\u2019\u0153uvre, \u00e9quipement, installation, gestion d\u00e9chets)<\/li>\r\n\r\n\r\n\r\n<li>D\u00e9tail des techniques employ\u00e9es (m\u00e9thode de pose, normes appliqu\u00e9es, ex. : NF C 15-100)<\/li>\r\n\r\n\r\n\r\n<li>Indication du calendrier de r\u00e9alisation<\/li>\r\n\r\n\r\n\r\n<li>Unit\u00e9s de mesure explicites pour chaque poste<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>L\u2019absence de d\u00e9tail favorise les litiges. Sur <a href=\"https:\/\/mondevis.com\/\" target=\"_blank\" rel=\"noopener\">mondevis.com<\/a>, un devis \u00e9num\u00e8re par exemple le type de peinture (acrylique ou glyc\u00e9ro), le nombre de couches, la surface exacte, pour \u00e9viter les impr\u00e9vus \u00e0 la livraison.<\/p>\r\n\r\n\r\n\r\n<figure class=\"wp-block-table\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Travaux<\/th>\r\n<th>D\u00e9tail requis<\/th>\r\n<th>Mauvaise pratique<\/th>\r\n<th>Bonne pratique<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Peinture int\u00e9rieure<\/td>\r\n<td>Surface (m\u00b2), type de peinture, couches<\/td>\r\n<td>\"Peinture salon 500\u202f\u20ac\"<\/td>\r\n<td>\"Peinture acrylique blanc mat, 2 couches, 23\u202fm\u00b2, 500\u202f\u20ac\"<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Pose carrelage<\/td>\r\n<td>R\u00e9f\u00e9rence carreaux, format, surface<\/td>\r\n<td>\"Pose carrelage 30\u202f\u20ac\/m\u00b2\"<\/td>\r\n<td>\"Carrelage gr\u00e8s c\u00e9rame 60x60cm, 40\u202fm\u00b2, 1\u202f200\u202f\u20ac\"<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>R\u00e9seau \u00e9lectrique<\/td>\r\n<td>Nombre de prises, norme NF C 15-100<\/td>\r\n<td>\"Electricit\u00e9 maison 3\u202f000\u202f\u20ac\"<\/td>\r\n<td>\"Installation \u00e9lectrique 20 prises, NF C 15-100, 3\u202f000\u202f\u20ac\"<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1344\" height=\"768\" class=\"wp-image-354\" src=\"https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-2.jpg\" alt=\"d\u00e9couvrez les 5 erreurs courantes \u00e0 \u00e9viter avant de signer un devis en ligne et assurez-vous de faire le bon choix pour vos projets. suivez nos conseils pratiques pour s\u00e9curiser votre engagement.\" srcset=\"https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-2.jpg 1344w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-2-300x171.jpg 300w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-2-1024x585.jpg 1024w, https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer-2-768x439.jpg 768w\" sizes=\"auto, (max-width: 1344px) 100vw, 1344px\" \/><\/figure>\r\n\r\n\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Checklist rapide avant signature et liens essentiels<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li>Contr\u00f4lez existence entreprise (HelloDevis, Papernest, Travaux.com)<\/li>\r\n\r\n\r\n\r\n<li>V\u00e9rifiez les garanties assurantielles (d\u00e9cennale et responsabilit\u00e9 civile)<\/li>\r\n\r\n\r\n\r\n<li>Analysez le d\u00e9tail technique\u202f: mat\u00e9riaux, volume, unit\u00e9s de pose<\/li>\r\n\r\n\r\n\r\n<li>Relisez les clauses de d\u00e9lai et de p\u00e9nalit\u00e9s<\/li>\r\n\r\n\r\n\r\n<li>Sollicitez au moins 2 devis concurrents sur ClicDevis ou Quotatis<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<p>Pour des projets plus sp\u00e9cifiques, comme organiser un mariage (<a href=\"https:\/\/mondevis.com\/blog\/wedding-planner-mariage\/\">guide wedding planner<\/a>), cr\u00e9er une charte graphique (<a href=\"https:\/\/mondevis.com\/blog\/creer-charte-graphique\/\">charte graphique efficace<\/a>) ou choisir un coach personnel (<a href=\"https:\/\/mondevis.com\/blog\/investissement-personal-trainer\/\">devis coaching sportif<\/a>), adaptez cette checklist \u00e0 chaque secteur pour anticiper toutes les subtilit\u00e9s tarifaires.<\/p>\r\n\r\n\r\n\r\n<p>S\u2019appuyer sur ce contr\u00f4le m\u00e9thodique garantit une prise de d\u00e9cision sereine, sans d\u00e9rive financi\u00e8re ni incertitude sur la r\u00e9alisation du projet. Pour centraliser vos demandes et comparer facilement plusieurs offres, rendez-vous sur MonDevis\u202f: demandez un devis gratuit et gagnez du temps, quel que soit votre projet.<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Signer un devis en ligne engage \u00e0 minima sur 500 \u00e0 3 000\u202f\u20ac pour des travaux standards, avec des \u00e9carts bien plus importants selon le secteur. Pourtant, 37\u202f% des particuliers interrog\u00e9s par Papernest d\u00e9clarent avoir rencontr\u00e9 un litige faute d\u2019avoir v\u00e9rifi\u00e9 certains d\u00e9tails, selon une enqu\u00eate men\u00e9e en 2024. Pour s\u00e9curiser votre engagement et \u00e9viter [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-355","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-autres-devis"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Devis en ligne : 5 erreurs \u00e0 \u00e9viter avant de signer - Blog Mondevis<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez les 5 erreurs \u00e0 \u00e9viter avant de signer un devis en ligne et s\u00e9curisez vos transactions en toute confiance !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mondevis.com\/blog\/erreurs-devis-en-ligne\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Devis en ligne : 5 erreurs \u00e0 \u00e9viter avant de signer - Blog Mondevis\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez les 5 erreurs \u00e0 \u00e9viter avant de signer un devis en ligne et s\u00e9curisez vos transactions en toute confiance !\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mondevis.com\/blog\/erreurs-devis-en-ligne\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog Mondevis\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-03T09:32:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-23T08:20:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mondevis.com\/blog\/wp-content\/uploads\/2025\/09\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1344\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Dorian\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dorian\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/\"},\"author\":{\"name\":\"Dorian\",\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/#\\\/schema\\\/person\\\/a6ebae99244a47b787d52db04b94f8f8\"},\"headline\":\"Devis en ligne : 5 erreurs \u00e0 \u00e9viter avant de signer\",\"datePublished\":\"2025-09-03T09:32:37+00:00\",\"dateModified\":\"2025-09-23T08:20:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/\"},\"wordCount\":732,\"image\":{\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/Devis-en-ligne-5-erreurs-a-eviter-avant-de-signer.jpg\",\"articleSection\":[\"Autres devis\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/\",\"url\":\"https:\\\/\\\/mondevis.com\\\/blog\\\/erreurs-devis-en-ligne\\\/\",\"name\":\"Devis en ligne : 5 erreurs \u00e0 \u00e9viter avant de signer - 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