diff --git a/app/assets/javascripts/highlightTags.js b/app/assets/javascripts/highlightTags.js
index 896c83358..bc533d4b7 100644
--- a/app/assets/javascripts/highlightTags.js
+++ b/app/assets/javascripts/highlightTags.js
@@ -32,12 +32,20 @@
 
     };
 
-    this.resize = () => this.$textbox.height(
-      Math.max(
-        this.initialHeight,
-        this.$background.outerHeight()
-      )
-    );
+    this.resize = () => {
+
+      this.$textbox.height(
+        Math.max(
+          this.initialHeight,
+          this.$background.outerHeight()
+        )
+      );
+
+      if ('stickAtBottomWhenScrolling' in GOVUK) {
+        GOVUK.stickAtBottomWhenScrolling.recalculate();
+      }
+
+    };
 
     this.escapedMessage = () => $('<div/>').text(this.$textbox.val()).html();
 
diff --git a/app/templates/components/page-footer.html b/app/templates/components/page-footer.html
index 31c1e94e3..3e24a5cd4 100644
--- a/app/templates/components/page-footer.html
+++ b/app/templates/components/page-footer.html
@@ -35,3 +35,9 @@
     {% endif %}
   </div>
 {% endmacro %}
+
+{% macro sticky_page_footer(button_text=None) %}
+  <div class="js-stick-at-bottom-when-scrolling">
+    {{ page_footer(button_text) }}
+  </div>
+{% endmacro %}
diff --git a/app/templates/views/edit-email-template.html b/app/templates/views/edit-email-template.html
index 695983d40..b0ceb4b26 100644
--- a/app/templates/views/edit-email-template.html
+++ b/app/templates/views/edit-email-template.html
@@ -1,6 +1,6 @@
 {% extends "withnav_template.html" %}
 {% from "components/textbox.html" import textbox %}
-{% from "components/page-footer.html" import page_footer %}
+{% from "components/page-footer.html" import sticky_page_footer %}
 {% from "components/radios.html" import radios %}
 {% from "components/form.html" import form_wrapper %}
 
@@ -23,7 +23,7 @@
           {% if current_user.platform_admin %}
              {{ radios(form.process_type) }}
           {% endif %}
-          {{ page_footer(
+          {{ sticky_page_footer(
             'Save'
           ) }}
         </div>
diff --git a/app/templates/views/edit-letter-template.html b/app/templates/views/edit-letter-template.html
index 353ae4721..6884c67a7 100644
--- a/app/templates/views/edit-letter-template.html
+++ b/app/templates/views/edit-letter-template.html
@@ -1,6 +1,6 @@
 {% extends "withnav_template.html" %}
 {% from "components/textbox.html" import textbox %}
-{% from "components/page-footer.html" import page_footer %}
+{% from "components/page-footer.html" import sticky_page_footer %}
 {% from "components/radios.html" import radios %}
 {% from "components/form.html" import form_wrapper %}
 
@@ -23,7 +23,7 @@
           {% endif %}
           {{ textbox(form.subject, width='1-1', highlight_tags=True, rows=2) }}
           {{ textbox(form.template_content, highlight_tags=True, width='1-1', rows=8) }}
-          {{ page_footer(
+          {{ sticky_page_footer(
             'Save'
           ) }}
         </div>
diff --git a/app/templates/views/edit-sms-template.html b/app/templates/views/edit-sms-template.html
index 2b56c4852..0acdd046c 100644
--- a/app/templates/views/edit-sms-template.html
+++ b/app/templates/views/edit-sms-template.html
@@ -1,6 +1,6 @@
 {% extends "withnav_template.html" %}
 {% from "components/textbox.html" import textbox %}
-{% from "components/page-footer.html" import page_footer %}
+{% from "components/page-footer.html" import sticky_page_footer %}
 {% from "components/radios.html" import radios %}
 {% from "components/form.html" import form_wrapper %}
 
@@ -24,7 +24,7 @@
           {% if current_user.platform_admin %}
             {{ radios(form.process_type) }}
           {% endif %}
-          {{ page_footer(
+          {{ sticky_page_footer(
             'Save'
           ) }}
         </div>