diff --git a/wagtail/contrib/table_block/templates/table_block/widgets/table.html b/wagtail/contrib/table_block/templates/table_block/widgets/table.html
index 96b59905e9..3d3c6007e9 100644
--- a/wagtail/contrib/table_block/templates/table_block/widgets/table.html
+++ b/wagtail/contrib/table_block/templates/table_block/widgets/table.html
@@ -1,23 +1,24 @@
 {% load i18n %}
+{% load l10n %}
 <div class="field boolean_field widget-checkbox_input">
-    <label for="{{ attrs.id }}-handsontable-header">{%  trans 'Row header' %}</label>
+    <label for="{{ attrs.id|unlocalize }}-handsontable-header">{%  trans 'Row header' %}</label>
     <div class="field-content">
         <div class="input">
-            <input type="checkbox" id="{{ attrs.id }}-handsontable-header" name="handsontable-header"/>
+            <input type="checkbox" id="{{ attrs.id|unlocalize }}-handsontable-header" name="handsontable-header"/>
         </div>
         <p class="help">{% trans 'Display the first row as a header.' %}</p>
     </div>
 </div>
 <br/>
 <div class="field boolean_field widget-checkbox_input">
-    <label for="{{ attrs.id }}-handsontable-col-header">{%  trans 'Column header' %}</label>
+    <label for="{{ attrs.id|unlocalize }}-handsontable-col-header">{%  trans 'Column header' %}</label>
     <div class="field-content">
         <div class="input">
-            <input type="checkbox" id="{{ attrs.id }}-handsontable-col-header" name="handsontable-col-header"/>
+            <input type="checkbox" id="{{ attrs.id|unlocalize }}-handsontable-col-header" name="handsontable-col-header"/>
         </div>
         <p class="help">{% trans 'Display the first column as a header.' %}</p>
     </div>
 </div>
 <br/>
-<div id="{{ attrs.id }}-handsontable-container"></div>
+<div id="{{ attrs.id|unlocalize }}-handsontable-container"></div>
 {{ original_field_html }}
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/pages/edit.html b/wagtail/wagtailadmin/templates/wagtailadmin/pages/edit.html
index 384364b8c8..a770821061 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/pages/edit.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/pages/edit.html
@@ -2,6 +2,7 @@
 {% load wagtailadmin_tags %}
 {% load gravatar %}
 {% load i18n %}
+{% load l10n %}
 {% block titletag %}{% blocktrans with title=page.get_admin_display_title page_type=content_type.model_class.get_verbose_name %}Editing {{ page_type }}: {{ title }}{% endblocktrans %}{% endblock %}
 {% block bodyclass %}page-editor {% if page.live %}page-is-live{% endif %} model-{{ content_type.model }} {% if page.locked %}page-locked{% endif %}{% endblock %}
 
@@ -32,7 +33,7 @@
         {{ edit_handler.render_form_content }}
 
         {% if is_revision %}
-            <input type="hidden" name="revision" value="{{ revision.id }}" />
+            <input type="hidden" name="revision" value="{{ revision.id|unlocalize }}" />
         {% endif %}
 
         <footer>
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_list.html b/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_list.html
index 1699090a92..77b2ec31bb 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_list.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_list.html
@@ -1,4 +1,5 @@
 {% load i18n %}
+{% load l10n %}
 {% load wagtailadmin_tags %}
 <table class="listing {% if full_width %}full-width{% endif %} {% block table_classname %}{% endblock %}">
     {% if show_ordering_column %}
@@ -45,7 +46,7 @@
         {% if pages %}
             {% for page in pages %}
                 {% page_permissions page as page_perms %}
-                <tr {% if ordering == "ord" %}id="page_{{ page.id }}" data-page-title="{{ page.get_admin_display_title }}"{% endif %} class="{% if not page.live %}unpublished{% endif %} {% block page_row_classname %}{% endblock %}">
+                <tr {% if ordering == "ord" %}id="page_{{ page.id|unlocalize }}" data-page-title="{{ page.get_admin_display_title }}"{% endif %} class="{% if not page.live %}unpublished{% endif %} {% block page_row_classname %}{% endblock %}">
                     {% if show_ordering_column %}
                         <td class="ord">{% if orderable and ordering == "ord" %}<div class="handle icon icon-grip text-replace">{% trans 'Drag' %}</div>{% endif %}</td>
                     {% endif %}
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_page_title_choose.html b/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_page_title_choose.html
index e16101258a..a09b7e8733 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_page_title_choose.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/pages/listing/_page_title_choose.html
@@ -1,3 +1,5 @@
+{% load l10n %}
+
 {% comment %}
 The title field for a page in the page listing, when in 'choose' mode.
 
@@ -6,7 +8,7 @@ Expects a variable 'page', the page instance.
 
 <h2>
     {% if page.can_choose %}
-        <a class="choose-page" href="#{{ page.id }}" data-id="{{ page.id }}" data-title="{{ page.get_admin_display_title }}" data-url="{{ page.url }}" data-parent-id="{{ page.get_parent.id }}" data-edit-url="{% url 'wagtailadmin_pages:edit' page.id %}">{{ page.get_admin_display_title }}</a>
+        <a class="choose-page" href="#{{ page.id|unlocalize }}" data-id="{{ page.id|unlocalize }}" data-title="{{ page.get_admin_display_title }}" data-url="{{ page.url }}" data-parent-id="{{ page.get_parent.id|unlocalize }}" data-edit-url="{% url 'wagtailadmin_pages:edit' page.id %}">{{ page.get_admin_display_title }}</a>
     {% else %}
         {{ page.get_admin_display_title }}
     {% endif %}
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/shared/collection_chooser.html b/wagtail/wagtailadmin/templates/wagtailadmin/shared/collection_chooser.html
index ac7c1d8572..8bce07c428 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/shared/collection_chooser.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/shared/collection_chooser.html
@@ -1,4 +1,5 @@
 {% load i18n %}
+{% load l10n %}
 
 <li>
     <div class="field choice_field select">
@@ -8,7 +9,7 @@
                 <select id="collection_chooser_collection_id" name="collection_id">
                     <option value="">{% trans "All collections" %}</option>
                     {% for collection in collections %}
-                        <option value="{{ collection.id }}" {% if collection == current_collection %}selected="selected"{% endif %}>{{ collection.name }}</option>
+                        <option value="{{ collection.id|unlocalize }}" {% if collection == current_collection %}selected="selected"{% endif %}>{{ collection.name }}</option>
                     {% endfor %}
                 </select>
                 <span></span>
diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/widgets/chooser.html b/wagtail/wagtailadmin/templates/wagtailadmin/widgets/chooser.html
index 62d7aabf8c..c24b12b4ea 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/widgets/chooser.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/widgets/chooser.html
@@ -1,4 +1,5 @@
 {% load i18n %}
+{% load l10n %}
 {% comment %}
     Either the chosen or unchosen div will be shown, depending on the presence
     of the 'blank' class on the container.
@@ -7,7 +8,7 @@
     when clicked.
 {% endcomment %}
 
-<div id="{{ attrs.id }}-chooser" class="chooser {% block chooser_class %}page-chooser{% endblock %} {% if not value %}blank{% endif %}">
+<div id="{{ attrs.id|unlocalize }}-chooser" class="chooser {% block chooser_class %}page-chooser{% endblock %} {% if not value %}blank{% endif %}">
 
     <div class="chosen">
         {% block chosen_state_view %}{% endblock %}
diff --git a/wagtail/wagtaildocs/templates/wagtaildocs/multiple/add.html b/wagtail/wagtaildocs/templates/wagtaildocs/multiple/add.html
index 5d0723452b..fe717bf3ea 100644
--- a/wagtail/wagtaildocs/templates/wagtaildocs/multiple/add.html
+++ b/wagtail/wagtaildocs/templates/wagtaildocs/multiple/add.html
@@ -1,5 +1,7 @@
 {% extends "wagtailadmin/base.html" %}
-{% load i18n staticfiles %}
+{% load i18n %}
+{% load l10n %}
+{% load staticfiles %}
 {% block titletag %}{% trans "Add multiple documents" %}{% endblock %}
 {% block extra_css %}
     {{ block.super }}
@@ -28,7 +30,7 @@
                         <div class="field-content">
                             <select id="id_adddocument_collection" name="collection">
                                 {% for collection in collections %}
-                                    <option value="{{ collection.id }}">{{ collection.name }}</option>
+                                    <option value="{{ collection.id|unlocalize }}">{{ collection.name }}</option>
                                 {% endfor %}
                             </select>
                         </div>
diff --git a/wagtail/wagtailimages/templates/wagtailimages/multiple/add.html b/wagtail/wagtailimages/templates/wagtailimages/multiple/add.html
index 99cc5a8c52..78655230c6 100644
--- a/wagtail/wagtailimages/templates/wagtailimages/multiple/add.html
+++ b/wagtail/wagtailimages/templates/wagtailimages/multiple/add.html
@@ -1,5 +1,8 @@
 {% extends "wagtailadmin/base.html" %}
-{% load wagtailimages_tags i18n staticfiles %}
+{% load i18n %}
+{% load l10n %}
+{% load staticfiles %}
+{% load wagtailimages_tags %}
 {% block titletag %}{% trans "Add multiple images" %}{% endblock %}
 {% block extra_css %}
     {{ block.super }}
@@ -28,7 +31,7 @@
                         <div class="field-content">
                             <select id="id_addimage_collection" name="collection">
                                 {% for collection in collections %}
-                                    <option value="{{ collection.id }}">{{ collection.name }}</option>
+                                    <option value="{{ collection.id|unlocalize }}">{{ collection.name }}</option>
                                 {% endfor %}
                             </select>
                         </div>
diff --git a/wagtail/wagtailsearch/templates/wagtailsearch/queries/chooser/results.html b/wagtail/wagtailsearch/templates/wagtailsearch/queries/chooser/results.html
index d078d718e2..10b9996ecb 100644
--- a/wagtail/wagtailsearch/templates/wagtailsearch/queries/chooser/results.html
+++ b/wagtail/wagtailsearch/templates/wagtailsearch/queries/chooser/results.html
@@ -1,4 +1,6 @@
-{% load i18n wagtailadmin_tags %}
+{% load i18n %}
+{% load l10n %}
+{% load wagtailadmin_tags %}
 <table class="listing chooser">
     <col width="50%"/>
     <col width="50%"/>
@@ -13,7 +15,7 @@
             {% for query in queries %}
                 <tr>
                     <td class="title">
-                        <h2><a class="choose-query" href="#{{ query.id }}" data-id="{{ query.id }}" data-querystring="{{ query.query_string }}">{{ query.query_string }}</a></h2>
+                        <h2><a class="choose-query" href="#{{ query.id|unlocalize }}" data-id="{{ query.id|unlocalize }}" data-querystring="{{ query.query_string }}">{{ query.query_string }}</a></h2>
                     </td>
                     <td>{{ query.hits }}</td>
                 </tr>