- \n
- 1 800 \u00e0 2 800 \u20ac\/m\u00b2<\/strong><\/li>\n\n\n\n
- L\u00e9g\u00e8re, rapide \u00e0 mettre en \u0153uvre, excellente performance thermique<\/li>\n\n\n\n
- Id\u00e9ale en zone urbaine ou sur terrain contraint<\/li>\n<\/ul>\n\n\n\n
Extension en ma\u00e7onnerie<\/h3>\n\n\n\n
- \n
- 2 200 \u00e0 3 500 \u20ac\/m\u00b2<\/strong><\/li>\n\n\n\n
- Solution durable et robuste<\/li>\n\n\n\n
- Adapt\u00e9e aux maisons anciennes ou aux structures lourdes<\/li>\n<\/ul>\n\n\n\n
Sur\u00e9l\u00e9vation<\/h3>\n\n\n\n
- \n
- 2 000 \u00e0 3 500 \u20ac\/m\u00b2<\/strong><\/li>\n\n\n\n
- Permet de gagner de la surface sans emprise au sol<\/li>\n\n\n\n
- N\u00e9cessite une \u00e9tude structurelle pr\u00e9alable<\/li>\n<\/ul>\n\n\n\n
Extension l\u00e9g\u00e8re ou v\u00e9randa<\/h3>\n\n\n\n
- \n
- 1 200 \u00e0 2 000 \u20ac\/m\u00b2<\/strong><\/li>\n\n\n\n
- Solution \u00e9conomique pour cr\u00e9er un espace lumineux<\/li>\n\n\n\n
- Moins adapt\u00e9e aux pi\u00e8ces chauff\u00e9es toute l\u2019ann\u00e9e<\/li>\n<\/ul>\n\n\n\n
Les facteurs qui influencent le co\u00fbt<\/h2>\n\n\n\n
La surface cr\u00e9\u00e9e<\/h3>\n\n\n\n
Plus la surface est importante, plus le prix au m\u00b2 diminue. Les petites extensions (10\u201320 m\u00b2) sont proportionnellement plus co\u00fbteuses.<\/p>\n\n\n\n
La complexit\u00e9 du terrain<\/h3>\n\n\n\n
- \n
- Acc\u00e8s difficile<\/li>\n\n\n\n
- Terrain en pente<\/li>\n\n\n\n
- Fondations \u00e0 renforcer<\/li>\n\n\n\n
- Proximit\u00e9 du voisinage<\/li>\n<\/ul>\n\n\n\n
Les mat\u00e9riaux et finitions<\/h3>\n\n\n\n
Le choix des mat\u00e9riaux (bois, b\u00e9ton, acier) et des finitions (menuiseries, isolation, rev\u00eatements) impacte fortement le budget final.<\/p>\n\n\n\n
Les contraintes r\u00e9glementaires<\/h3>\n\n\n\n
En zone urbaine ou en secteur prot\u00e9g\u00e9, les exigences architecturales peuvent augmenter le co\u00fbt :<\/p>\n\n\n\n
- \n
- mat\u00e9riaux impos\u00e9s,<\/li>\n\n\n\n
- hauteur limit\u00e9e,<\/li>\n\n\n\n
- validation ABF,<\/li>\n\n\n\n
- gestion des eaux pluviales.<\/li>\n<\/ul>\n\n\n\n
Budget global \u00e0 pr\u00e9voir<\/h2>\n\n\n\n
Au-del\u00e0 du co\u00fbt des travaux, il faut int\u00e9grer :<\/p>\n\n\n\n
- \n
- \u00c9tude structurelle :<\/strong> 800 \u00e0 2 000 \u20ac<\/li>\n\n\n\n
- Architecte :<\/strong> 8 \u00e0 12 % du montant des travaux<\/li>\n\n\n\n
- Permis de construire :<\/strong> 0 \u00e0 1 000 \u20ac selon les cas<\/li>\n\n\n\n
- Raccordements et r\u00e9seaux :<\/strong> 1 000 \u00e0 5 000 \u20ac<\/li>\n\n\n\n
- Am\u00e9nagements int\u00e9rieurs :<\/strong> variable selon les choix<\/li>\n<\/ul>\n\n\n\n
Pour aller plus loin…<\/h2>\n\n\n\n
- \n
- Extension de maison : panorama<\/a><\/li>\n\n\n\n
- R\u00e9glementation des extensions<\/a><\/li>\n\n\n\n
- Extension en zone urbaine<\/a><\/li>\n\n\n\n
- Extension en ossature bois<\/a><\/li>\n\n\n\n
- Co\u00fbt d\u2019une extension<\/a><\/li>\n\n\n\n
- Extension l\u00e9g\u00e8re, v\u00e9randa & verri\u00e8re<\/a><\/li>\n\n\n\n
- Extension moderne \u00e0 toit plat<\/a><\/li>\n\n\n\n
- Extension ou sur\u00e9l\u00e9vation ?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
Le co\u00fbt d\u2019une extension d\u00e9pend de multiples param\u00e8tres : syst\u00e8me constructif, surface ajout\u00e9e, contraintes du terrain, choix des mat\u00e9riaux, exigences r\u00e9glementaires et qualit\u00e9 des finitions. Ces \u00e9l\u00e9ments influencent directement l\u2019investissement final. Cette page vous donne des rep\u00e8res clairs, des fourchettes de prix fiables et les cl\u00e9s pour anticiper le budget global de votre projet en […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":8140,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"tpgb_global_settings":"","footnotes":""},"class_list":["post-8155","page","type-page","status-publish","hentry"],"tpgb_featured_images":null,"tpgb_post_meta_info":{"get_date":"23 mars 2026","get_modified_date":"23 mars 2026","author_name":"le2bisdev","author_url":"https:\/\/dev.le2bis.com\/wordpress\/author\/le2bisdev\/","author_email":"simon.perrinlacour@gmail.com","author_website":"https:\/\/dev.le2bis.com\/wordpress","author_description":"","author_facebook":"","author_twitter":"","author_instagram":"","author_role":["administrator"],"author_firstname":"","author_lastname":"","user_login":"le2bisdev","author_avatar":"
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- R\u00e9glementation des extensions<\/a><\/li>\n\n\n\n
- Architecte :<\/strong> 8 \u00e0 12 % du montant des travaux<\/li>\n\n\n\n
- \u00c9tude structurelle :<\/strong> 800 \u00e0 2 000 \u20ac<\/li>\n\n\n\n