diff --git a/app/assets/stylesheets/views/_homepage_more_on_govuk_new.scss b/app/assets/stylesheets/views/_homepage_more_on_govuk_new.scss
index c7f0f0c4f9..79cb6dbac9 100644
--- a/app/assets/stylesheets/views/_homepage_more_on_govuk_new.scss
+++ b/app/assets/stylesheets/views/_homepage_more_on_govuk_new.scss
@@ -9,4 +9,10 @@
 .homepage-most-active-list__item {
   margin: 0 0 govuk-spacing(4) 0;
   @include govuk-font($size: 19, $weight: bold);
+
+  // Ensure font-size is 19px on mobile for the new homepage design
+  @include govuk-media-query($until: "tablet") {
+    font-size: 19px;
+    font-size: govuk-px-to-rem(19);
+  }
 }
diff --git a/app/assets/stylesheets/views/_homepage_new.scss b/app/assets/stylesheets/views/_homepage_new.scss
index 6da7231ee1..39439c3597 100644
--- a/app/assets/stylesheets/views/_homepage_new.scss
+++ b/app/assets/stylesheets/views/_homepage_new.scss
@@ -72,6 +72,15 @@
 .chevron-card__wrapper {
   padding: 19px 0 4px;
   position: relative;
+
+  .govuk-heading-s,
+  .chevron-card__description {
+    // Ensure font-size is 19px on mobile for the new homepage design
+    @include govuk-media-query($until: "tablet") {
+      font-size: 19px;
+      font-size: govuk-px-to-rem(19);
+    }
+  }
 }
 
 .chevron-card__description {
@@ -161,6 +170,15 @@
   .gem-c-image-card__text-wrapper.gem-c-image-card__text-wrapper--two-thirds {
     padding-left: 0;
   }
+
+  .gem-c-image-card__title-link,
+  .gem-c-image-card__description {
+    // Ensure font-size is 19px on mobile for the new homepage design
+    @include govuk-media-query($until: "tablet") {
+      font-size: 19px;
+      font-size: govuk-px-to-rem(19);
+    }
+  }
 }
 
 .homepage-section--services-and-info {
@@ -185,6 +203,22 @@
   margin: 0 0 govuk-spacing(6);
   padding: govuk-spacing(8) 0 0;
 
+  .govuk-body {
+    // Ensure font-size is 19px on mobile for the new homepage design
+    @include govuk-media-query($until: "tablet") {
+      font-size: 19px;
+      font-size: govuk-px-to-rem(19);
+    }
+  }
+
+  .govuk-heading-l {
+    // Ensure font-size is 32px on mobile for the new homepage design
+    @include govuk-media-query($until: "tablet") {
+      font-size: 32px;
+      font-size: govuk-px-to-rem(32);
+    }
+  }
+
   @include govuk-media-query($from: "desktop") {
     border: none;
     padding: 0;
diff --git a/app/assets/stylesheets/views/_popular_links.scss b/app/assets/stylesheets/views/_popular_links.scss
index 0e814717fa..707dd9d655 100644
--- a/app/assets/stylesheets/views/_popular_links.scss
+++ b/app/assets/stylesheets/views/_popular_links.scss
@@ -12,6 +12,14 @@
     padding-right: 9px;
   }
 
+  .govuk-heading-l {
+    // Ensure font-size is 32px on mobile for the new homepage design
+    @include govuk-media-query($until: "tablet") {
+      font-size: 32px;
+      font-size: govuk-px-to-rem(32);
+    }
+  }
+
   @include govuk-media-query($from: "desktop") {
     padding: govuk-spacing(9) 0 28px;
   }