{"id":1213,"date":"2026-09-22T09:00:00","date_gmt":"2026-09-22T13:00:00","guid":{"rendered":"https:\/\/gmtlab.ca\/?p=1213"},"modified":"2026-09-22T09:00:00","modified_gmt":"2026-09-22T13:00:00","slug":"buying-land-what-to-check-before-building","status":"publish","type":"post","link":"https:\/\/gmtlab.ca\/en\/homeowners-corner\/buying-land-what-to-check-before-building\/","title":{"rendered":"Buying Land: What Should You Check Before Building?"},"content":{"rendered":"<p><strong>Buying land is a major step.<\/strong> You consider the location, lot size, orientation and view. Sometimes, the most important factor gets overlooked: the soil. Yet what lies beneath your feet will determine the stability of your future home and can have a major impact on construction costs and timelines.<\/p>\n<h2>What an attractive lot can hide<\/h2>\n<p>A lot may look perfect at first glance yet conceal challenging conditions. Clay soil swells when wet and shrinks when dry, causing movement beneath foundations. A property may also contain fill of uncertain quality or have a high water table that will complicate excavation.<\/p>\n<p>None of this is visible from the surface. A <strong>soil assessment before buying land<\/strong> can identify these conditions while there is still time to adjust your project \u2014 or negotiate.<\/p>\n<h2>What to check before you sign<\/h2>\n<ul>\n<li><strong>Soil type and bearing capacity<\/strong> : can the soil support the planned building, and what type of foundation will it need?<\/li>\n<li><strong>Groundwater<\/strong> : how deep is the water table, and how will it affect excavation and drainage?<\/li>\n<li><strong>Depth to bedrock<\/strong> : bedrock too close to the surface can turn a routine excavation into a blasting job.<\/li>\n<li><strong>Fill material<\/strong> : old, poorly compacted fill is a common cause of settlement.<\/li>\n<li><strong>Overall ground stability<\/strong>, especially if the property includes a slope or embankment \u2014 this is assessed through a <a href=\"https:\/\/gmtlab.ca\/en\/service\/evaluation-de-la-stabilite-de-talus\/\">slope stability assessment<\/a>.<\/li>\n<\/ul>\n<div class=\"gmt-cta\">\n<p class=\"gmt-cta-title\">Have a property in mind?<\/p>\n<p>Our <a href=\"https:\/\/gmtlab.ca\/en\/service\/essais-sur-sols-beton-et-granulats\/\">soil testing<\/a> and <a href=\"https:\/\/gmtlab.ca\/en\/service\/service-analyse-etudes-geotechniques\/\">geotechnical investigations<\/a> reveal what lies beneath the surface before you commit.<\/p>\n<p><a class=\"gmt-cta-btn\" href=\"https:\/\/gmtlab.ca\/en\/service\/essais-sur-sols-beton-et-granulats\/\">Explore our soil testing services<\/a><\/p>\n<\/div>\n<h2>How can a geotechnical investigation save you money?<\/h2>\n<p>It allows you to revise the plans before work begins. Changing a plan always costs less than repairing a cracked foundation.<\/p>\n<p>Without this information, some homeowners discover problems during construction: delays, last-minute changes and unexpected extra costs. The investigation brings bad news to light while you can still manage it.<\/p>\n<h2>What does the process involve?<\/h2>\n<p>First, we discuss your project. A team then carries out subsurface investigations on your property, samples are analysed in the laboratory, and you receive a report with specific recommendations. This report supports the project from that point on: it is a resource for your engineer, your contractor and, if needed, your municipality.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>Is a geotechnical investigation mandatory?<\/h3>\n<p>That depends on municipal requirements and the type of project. Even when it is not required, it is strongly recommended.<\/p>\n<h3>When should it be done?<\/h3>\n<p>Ideally, before finalizing the foundation plans, or even before completing the land purchase.<\/p>\n<h3>Is it useful for a single-family home?<\/h3>\n<p>Yes. Soil problems affect small and large buildings alike.<\/p>\n<h3>Are neighbouring lots similar?<\/h3>\n<p>Not necessarily. Soil composition can vary over just a few metres.<\/p>\n<h3>Can I rely on an investigation of the neighbouring property?<\/h3>\n<p>No. An investigation is valid for the lot where the subsurface work was carried out. Results from a neighbouring property provide a general indication of conditions in the area, but they do not replace an assessment of your own land.<\/p>\n<h2>In summary<\/h2>\n<p>Buying land also means understanding its soil. Careful preparation lets you build on solid ground with confidence.<\/p>\n<div class=\"gmt-cta gmt-cta-final\">\n<p class=\"gmt-cta-title\">Start off on the right foot<\/p>\n<p>Tell us about the property you are considering. We will explain exactly which assessments are relevant to your situation.<\/p>\n<p><a class=\"gmt-cta-btn\" href=\"https:\/\/gmtlab.ca\/en\/contacts\/\">Request a quote<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Soil type, groundwater, fill and depth to bedrock: what to check before buying land and finalizing your building plans.<\/p>\n","protected":false},"author":0,"featured_media":1208,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-1213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-homeowners-corner"],"_links":{"self":[{"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/posts\/1213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/comments?post=1213"}],"version-history":[{"count":1,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/posts\/1213\/revisions"}],"predecessor-version":[{"id":1220,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/posts\/1213\/revisions\/1220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/media\/1208"}],"wp:attachment":[{"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/media?parent=1213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/categories?post=1213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gmtlab.ca\/en\/wp-json\/wp\/v2\/tags?post=1213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}