diff --git a/app/assets/javascripts/previewPane.js b/app/assets/javascripts/previewPane.js
index 9c6bd50e3..e327687bf 100644
--- a/app/assets/javascripts/previewPane.js
+++ b/app/assets/javascripts/previewPane.js
@@ -13,7 +13,7 @@
   const $paneWrapper = $('<div class="govuk-grid-column-full"></div>');
   const $form = $('form');
   const previewType = $form.data('previewType');
-  const $previewPane = $(`<iframe src="/_${previewType}?${buildQueryString(['branding_style', branding_style])}" class="branding-preview"></iframe>`);
+  const $previewPane = $(`<iframe src="/_${previewType}?${buildQueryString(['branding_style', branding_style])}" class="branding-preview" scrolling="no"></iframe>`);
 
   function buildQueryString () {
     return $.map(arguments, (val, idx) => encodeURI(val[0]) + '=' + encodeURI(val[1])).join('&');
diff --git a/app/templates/components/branding-preview.html b/app/templates/components/branding-preview.html
index d6a55782d..67d59ed79 100644
--- a/app/templates/components/branding-preview.html
+++ b/app/templates/components/branding-preview.html
@@ -1,5 +1,5 @@
 {% macro branding_preview(branding_style, endpoint) %}
-  <iframe src="{{ url_for(endpoint, branding_style=branding_style) }}" class="branding-preview"></iframe>
+  <iframe src="{{ url_for(endpoint, branding_style=branding_style) }}" class="branding-preview" scrolling="no"></iframe>
 {% endmacro %}
 
 {% macro email_branding_preview(branding_style) %}