diff --git a/app/helpers/components/table_helper.rb b/app/helpers/components/table_helper.rb
index 982601420..fe47237ec 100644
--- a/app/helpers/components/table_helper.rb
+++ b/app/helpers/components/table_helper.rb
@@ -50,6 +50,7 @@ def row
 
       def header(str, opt = {})
         classes = %w[govuk-table__header]
+        classes << opt[:classes] if opt[:classes]
         classes << "govuk-table__header--#{opt[:format]}" if opt[:format]
         classes << "govuk-table__header--active" if opt[:sort_direction]
         link_classes = %w[app-table__sort-link]
diff --git a/app/views/account/applications/index.html.erb b/app/views/account/applications/index.html.erb
index 46e275894..e851107cb 100644
--- a/app/views/account/applications/index.html.erb
+++ b/app/views/account/applications/index.html.erb
@@ -29,8 +29,8 @@
 <%= render "components/table", {
     caption: "Apps you have access to",
     head: [
-      { text: "Name" },
-      { text: "Description" },
+      { text: "Name", classes: "govuk-!-width-one-quarter" },
+      { text: "Description", classes: "govuk-!-width-one-third" },
       { text: content_tag(:span, "Actions", class: "govuk-visually-hidden") },
     ],
     rows: @applications_with_signin.map do |application|
@@ -47,8 +47,8 @@
 <%= render "components/table", {
     caption: "Apps you don't have access to",
     head: [
-      { text: "Name" },
-      { text: "Description" },
+      { text: "Name", classes: "govuk-!-width-one-quarter" },
+      { text: "Description", classes: "govuk-!-width-one-third" },
       { text: content_tag(:span, "Actions", class: "govuk-visually-hidden") }
     ],
     rows: @applications_without_signin.map do |application|
diff --git a/app/views/api_users/applications/index.html.erb b/app/views/api_users/applications/index.html.erb
index e15f35476..0b59d98ce 100644
--- a/app/views/api_users/applications/index.html.erb
+++ b/app/views/api_users/applications/index.html.erb
@@ -34,8 +34,8 @@
 <%= render "components/table", {
     caption: "Apps #{@api_user.name} has access to",
     head: [
-      { text: "Name" },
-      { text: "Description" },
+      { text: "Name", classes: "govuk-!-width-one-quarter" },
+      { text: "Description", classes: "govuk-!-width-one-third" },
       { text: content_tag(:span, "Actions", class: "govuk-visually-hidden") },
     ],
     rows: @applications.map do |application|
diff --git a/app/views/components/_table.html.erb b/app/views/components/_table.html.erb
index 5ec626729..930abb54a 100644
--- a/app/views/components/_table.html.erb
+++ b/app/views/components/_table.html.erb
@@ -27,6 +27,7 @@
       <%= t.head do %>
         <% head.each_with_index do |item, cellindex| %>
           <%= t.header item[:text], {
+            classes: item[:classes],
             format: item[:format],
             href: item[:href],
             data_attributes: item[:data_attributes],
diff --git a/app/views/users/applications/index.html.erb b/app/views/users/applications/index.html.erb
index 854d7431e..33bb21726 100644
--- a/app/views/users/applications/index.html.erb
+++ b/app/views/users/applications/index.html.erb
@@ -34,8 +34,8 @@
 <%= render "components/table", {
     caption: "Apps #{@user.name} has access to",
     head: [
-      { text: "Name" },
-      { text: "Description" },
+      { text: "Name", classes: "govuk-!-width-one-quarter" },
+      { text: "Description", classes: "govuk-!-width-one-third" },
       { text: content_tag(:span, "Actions", class: "govuk-visually-hidden") },
     ],
     rows: @applications_with_signin.map do |application|
@@ -52,8 +52,8 @@
 <%= render "components/table", {
     caption: "Apps #{@user.name} does not have access to",
     head: [
-      { text: "Name" },
-      { text: "Description" },
+      { text: "Name", classes: "govuk-!-width-one-quarter" },
+      { text: "Description", classes: "govuk-!-width-one-third" },
       { text: content_tag(:span, "Actions", class: "govuk-visually-hidden") }
     ],
     rows: @applications_without_signin.map do |application|