diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2f9e7e42..43d383d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fixed spacing in nested lists
+- Set icon size for file list component for better viewing without CSS
 
 ### Security
 
diff --git a/src/nationalarchives/components/files-list/fixtures.json b/src/nationalarchives/components/files-list/fixtures.json
index 0d51c85b..bb3a72a2 100644
--- a/src/nationalarchives/components/files-list/fixtures.json
+++ b/src/nationalarchives/components/files-list/fixtures.json
@@ -30,7 +30,7 @@
           }
         ]
       },
-      "html": "<div class=\"tna-files-list\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 2</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 3</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl></li></ul></div>"
+      "html": "<div class=\"tna-files-list\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\" width=\"24\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 2</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 3</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl></li></ul></div>"
     },
     {
       "name": "with classes",
@@ -48,7 +48,7 @@
         ],
         "classes": "files__test-class"
       },
-      "html": "<div class=\"tna-files-list files__test-class\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li></ul></div>"
+      "html": "<div class=\"tna-files-list files__test-class\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\" width=\"24\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li></ul></div>"
     },
     {
       "name": "with attributes",
@@ -68,7 +68,7 @@
           "data-testattribute": "foobar"
         }
       },
-      "html": "<div class=\"tna-files-list\" data-testattribute=\"foobar\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li></ul></div>"
+      "html": "<div class=\"tna-files-list\" data-testattribute=\"foobar\"><svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 512 512\" class=\"tna-files-list__icon\" width=\"24\"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d=\"M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z\"/></svg><ul class=\"tna-files-list__items\"><li class=\"tna-files-list__item\"><h3 class=\"tna-files-list__item-title tna-heading-s\"><a href=\"#\" class=\"tna-files-list__link\">Preservation policy part 1</a></h3><dl class=\"tna-dl-chips tna-dl-chips--plain tna-files-list__item-meta\"><dt>File type</dt><dd><span class=\"tna-dl-chips__item\"></span></dd><dt>File size</dt><dd><span class=\"tna-dl-chips__item\"></span></dd></dl><p class=\"tna-files-list__item-description\">The principles according to which The National Archives will preserve and care for our archival collections.</p></li></ul></div>"
     }
   ]
 }
diff --git a/src/nationalarchives/components/files-list/template.njk b/src/nationalarchives/components/files-list/template.njk
index 5b189838..1ef1edd2 100644
--- a/src/nationalarchives/components/files-list/template.njk
+++ b/src/nationalarchives/components/files-list/template.njk
@@ -1,7 +1,7 @@
 {%- set containerClasses = [params.classes] if params.classes else [] -%}
 {%- set classes = containerClasses | join(' ') -%}
 <div class="tna-files-list{% if classes %} {{ classes }}{% endif %}"{% for attribute, value in params.attributes %} {{ attribute }}{% if value !== '' %}="{{ value }}"{% endif %}{% endfor %}>
-  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="tna-files-list__icon"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg>
+  <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="tna-files-list__icon" width="24"><!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.--><path d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/></svg>
   <ul class="tna-files-list__items">
     {%- for item in params.items %}
     <li class="tna-files-list__item">