{"id":16156,"date":"2024-12-19T10:20:25","date_gmt":"2024-12-19T15:20:25","guid":{"rendered":"https:\/\/precellence.com\/combien-coute-lagrandissement-dune-maison\/"},"modified":"2025-05-30T09:53:12","modified_gmt":"2025-05-30T13:53:12","slug":"combien-coute-lagrandissement-dune-maison","status":"publish","type":"post","link":"https:\/\/precellence.com\/en\/combien-coute-lagrandissement-dune-maison\/","title":{"rendered":"How much does a home extension cost?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Check out how much it costs to extend a home in Montreal and on Montreal&#8217;s North Sore, with Construction Pr\u00e9cellence, your extension specialists since 1948! Call us for more details and a free quote!<\/h2>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A home extension is an ideal solution for gaining space without moving. Whether you want to add a room, a floor or an extension, several factors influence the price of a <a href=\"https:\/\/precellence.com\/en\/services\/home-addition\/\">home addition<\/a>. Check out the types of additions Construction Pr\u00e9cellence can make, and get a quote to help you plan your project.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What types of extensions are possible?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With over 70 years of experience, Construction Pr\u00e9cellence carries out a variety of expansion projects in Montreal and on Montreal&#8217;s North Shore.<br><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/precellence.com\/en\/services\/floor-addition\/\">Adding a new floor<\/a><\/li>\n\n\n\n<li>Bathroom expansion<\/li>\n\n\n\n<li>Bedroom extension<\/li>\n\n\n\n<li>Kitchen extension<\/li>\n\n\n\n<li>Dining room expansion<\/li>\n\n\n\n<li><a href=\"https:\/\/precellence.com\/en\/services\/basement-renovation\/\">Basement expansion<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>House extension \/ Annex<\/li>\n\n\n\n<li>Interior sunroom extension<\/li>\n\n\n\n<li>Residential garage extension<\/li>\n\n\n\n<li>Entrance hall extension<\/li>\n\n\n\n<li>Extension for a bigenerational house<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">How much does a home addition cost?<br><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Addition of a floor above a ground floor (+\/- 1000 ft\u00b2):<\/strong>\u00a0costs start around $300,000 and the average is around $350,000<\/li>\n\n\n\n<li><strong>Addition of a floor (+\/- 1000 ft\u00b2)<\/strong>\u00a0<strong>above a floor to make a 3rd story plus the basement level:<\/strong>\u00a0costs start around $400,000 and the average is around $450,000<\/li>\n\n\n\n<li><strong>Addition of a floor above a garage or other room (+\/- 300 ft\u00b2):<\/strong>\u00a0Costs start at around $160,000 and the average is around $180,000. Note: In some cases, costs are between $180,000 and $200,000<\/li>\n\n\n\n<li><strong>Addition of a half-floor above a ground floor (+\/- 600 ft\u00b2):<\/strong>\u00a0Costs start around $225,000 and the average is around $250,000<\/li>\n\n\n\n<li><strong>Addition of a mezzanine above the level of a flat roof (+\/- 300 ft\u00b2) with rooftop terrace:<\/strong>\u00a0costs start around $ 400,000 and the average is around $450,000<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These amounts may vary according to the complexity of the work, the materials chosen and the adjustments required to your existing home.<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">What factors can influence the price of your home extension project?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Type of extension<\/strong>: Adding a new floor, side extension or specific extension (kitchen, bathroom, garage).<\/li>\n\n\n\n<li><strong>Complexity of work<\/strong>: Adjustments to existing structure (foundations, framework, roof).<\/li>\n\n\n\n<li><strong>Materials used<\/strong>: Insulation, finishes, doors and windows, and other customized elements.<\/li>\n\n\n\n<li><strong>Site accessibility<\/strong>: Logistics and equipment required for the site.<\/li>\n\n\n\n<li><strong>Building permits<\/strong>: Costs and requirements of local municipalities.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Why choose Construction Pr\u00e9cellence for your home extension?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Since 1948, Construction Pr\u00e9cellence has been your trusted partner for home addition projects. Whether you&#8217;re adding a new floor, enlarging a room or building an extension, we offer a turnkey service tailored to your needs and budget.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Our commitment to successful projects:<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>I<strong>nitial assessment<\/strong>: In-home consultation to understand your specific needs.<\/li>\n\n\n\n<li><strong>Precise measurements<\/strong>: To ensure perfect integration with your existing home.<\/li>\n\n\n\n<li><strong>Plans and 3D models<\/strong>: Clear visualization before work begins.<\/li>\n\n\n\n<li><strong>Materials management<\/strong>: Shipping, installation and environmentally friendly disposal of leftovers.<\/li>\n\n\n\n<li><strong>Obtaining permits<\/strong>: We take care of the necessary authorizations.<\/li>\n\n\n\n<li><strong>Respecting costs and deadlines<\/strong>: Rigorous planning to meet your budget and schedule.<\/li>\n\n\n\n<li><strong>Qualified workforce<\/strong>: A certified team for results that meet the highest standards.<\/li>\n\n\n\n<li><strong>Site protection and cleanliness<\/strong>: A safe, well-maintained work site.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Get a free quote for your expansion project!<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ready to expand your home? Whether you&#8217;re in Laval, Ville-Saint-Laurent, Plateau-Mont-Royal, Terrebonne or Repentigny, Construction Pr\u00e9cellence is your trusted partner for a custom home extension. <a href=\"https:\/\/precellence.com\/en\/contact\/\">Contact us<\/a> today for a free, personalized quote!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Our team of specialists travels throughout Montreal and on Montreal&#8217;s North Shore for your home expansion project!<\/strong><\/strong><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Ahuntsic<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cartierville<\/li>\n\n\n\n<li>Nouveau-Bordeaux<\/li>\n\n\n\n<li>Nicolas-Viel<\/li>\n\n\n\n<li>Sault-au-R\u00e9colet<\/li>\n\n\n\n<li>Saint-Sulpice<\/li>\n\n\n\n<li>La Visitation<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>C\u00f4te-des-Neiges\u2013NDG<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Snowdon<\/li>\n\n\n\n<li>\u00c9douard-Montpetit<\/li>\n\n\n\n<li>Parc-Kent<\/li>\n\n\n\n<li>Savane<\/li>\n\n\n\n<li>Upper Lachine<\/li>\n\n\n\n<li>Loyola<\/li>\n\n\n\n<li>C\u00f4te-Saint-Antoine<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Lachine<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lachine-Ouest<\/li>\n\n\n\n<li>Vieux-Lachine\/Saint-Pierre<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>LaSalle<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cecile-P.-Newman<\/li>\n\n\n\n<li>Sault-Saint-Louis<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Hochelaga-Maisonneuve<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Louis-Riel<\/li>\n\n\n\n<li>Dup\u00e9r\u00e9<\/li>\n\n\n\n<li>T\u00e9treaultville<\/li>\n\n\n\n<li>Beaurivage<\/li>\n\n\n\n<li>Guybourg<\/li>\n\n\n\n<li>Longue-Pointe<\/li>\n\n\n\n<li>Hochelaga<\/li>\n\n\n\n<li>Maisonneuve<\/li>\n\n\n\n<li>Pr\u00e9fontaine<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Rosemont<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Saint-\u00c9douard<\/li>\n\n\n\n<li>P\u00e8re-Marquette<\/li>\n\n\n\n<li>Louis-H\u00e9bert<\/li>\n\n\n\n<li>\u00c9tienne-Desmarteau<\/li>\n\n\n\n<li>Vieux-Rosemont<\/li>\n\n\n\n<li>Petite-C\u00f4te<\/li>\n\n\n\n<li>Marie-Victorin<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Saint-Laurent<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Saint-Laurent<\/li>\n\n\n\n<li>Chameran\/Monpellier<\/li>\n\n\n\n<li>Grenet<\/li>\n\n\n\n<li>Dutrisac<\/li>\n\n\n\n<li>Bois-Francs<\/li>\n\n\n\n<li>Du Coll\u00e8ge\/Hodge<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Saint-L\u00e9onard<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Port-Maurice<\/li>\n\n\n\n<li>Grande-Patrie<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Ville-Marie<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sainte-Marie<\/li>\n\n\n\n<li>Vieux-Montr\u00e9al<\/li>\n\n\n\n<li>Ren\u00e9-L\u00e9vesque<\/li>\n\n\n\n<li>De la Montagne<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Villeray<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sainte-Lucie<\/li>\n\n\n\n<li>Ren\u00e9-Goupil<\/li>\n\n\n\n<li>Gabriel-Sagard<\/li>\n\n\n\n<li>Fran\u00e7ois-Perrault<\/li>\n\n\n\n<li>Cr\u00e9mazie<\/li>\n\n\n\n<li>Parc-Extension<\/li>\n\n\n\n<li>Parc-Jarry<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><strong>Outremont<\/strong><\/li>\n\n\n\n<li><strong>Anjou<\/strong><\/li>\n\n\n\n<li><strong>Montr\u00e9al-Nord<\/strong><\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n<\/p>\n<p><strong>RIVE-NORD DE MONTR\u00c9AL<\/strong><\/p>\n<\/p>\n<p><strong>LAURENTIDES<\/strong><\/p>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Blainville<\/li>\n\n\n\n<li>Boisbriand<\/li>\n\n\n\n<li>Bois-des-Filion<\/li>\n\n\n\n<li>Deux-Montagnes<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Lorraine<\/li>\n\n\n\n<li>Mirabel<\/li>\n\n\n\n<li>Rosem\u00e8re<\/li>\n\n\n\n<li>Sainte-Anne-des-Plaines<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Sainte-Marthe-sur-le-Lac<\/li>\n\n\n\n<li>Sainte-Th\u00e9r\u00e8se<\/li>\n\n\n\n<li>Saint-Eustache<\/li>\n\n\n\n<li>Saint-Joseph-du-Lac<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LANAUDI\u00c8RE<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Charlemagne<\/li>\n\n\n\n<li>L&#8217;Assomption<\/li>\n\n\n\n<li>Mascouche<\/li>\n\n\n\n<li>Repentigny<\/li>\n\n\n\n<li>Terrebonne<\/li>\n<\/ul>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LAVAL<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Auteuil<\/li>\n\n\n\n<li>Chomedey<\/li>\n\n\n\n<li>Duvernay<\/li>\n\n\n\n<li>Fabreveille<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Laval-Ouest<\/li>\n\n\n\n<li>Laval-des-rapides<\/li>\n\n\n\n<li>Laval-sur-le-Lac<\/li>\n\n\n\n<li>Sainte-Doroth\u00e9e<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li>Saint-Fran\u00e7ois<\/li>\n\n\n\n<li>Sainte-Rose<\/li>\n\n\n\n<li>Pont-Viau<\/li>\n\n\n\n<li>Vimont<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Check out how much it costs to extend a home in Montreal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"class_list":["post-16156","post","type-post","status-publish","format-standard","hentry","category-tips"],"acf":[],"_links":{"self":[{"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/posts\/16156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/comments?post=16156"}],"version-history":[{"count":6,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/posts\/16156\/revisions"}],"predecessor-version":[{"id":17509,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/posts\/16156\/revisions\/17509"}],"wp:attachment":[{"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/media?parent=16156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/categories?post=16156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/precellence.com\/en\/wp-json\/wp\/v2\/tags?post=16156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}