diff --git a/src/assets/images/favicon.ico b/src/assets/images/favicon.ico
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diff --git a/src/assets/images/govuk-apple-touch-icon-152x152.png b/src/assets/images/govuk-apple-touch-icon-152x152.png
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diff --git a/src/assets/images/govuk-apple-touch-icon-167x167.png b/src/assets/images/govuk-apple-touch-icon-167x167.png
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diff --git a/src/assets/images/govuk-apple-touch-icon-180x180.png b/src/assets/images/govuk-apple-touch-icon-180x180.png
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diff --git a/src/assets/images/govuk-apple-touch-icon.png b/src/assets/images/govuk-apple-touch-icon.png
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diff --git a/src/assets/images/govuk-mask-icon.svg b/src/assets/images/govuk-mask-icon.svg
new file mode 100644
index 0000000000..2cf32d6cea
--- /dev/null
+++ b/src/assets/images/govuk-mask-icon.svg
@@ -0,0 +1,7 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="132" height="97" viewBox="0 0 132 97" version="1.1">
+  <g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+    <g fill="#000000">
+      <path d="M25 30.2C28.5 31.7 32.7 30 34.1 26.5 35.6 22.9 33.9 18.7 30.2 17.3 26.6 15.9 22.6 17.6 21.1 21.2 19.7 24.7 21.4 28.7 25 30.2L25 30.2ZM9 39.5C12.6 41 16.8 39.3 18.2 35.8 19.7 32.2 18 28 14.3 26.7 10.7 25.2 6.7 26.9 5.2 30.5 3.8 34 5.5 38 9 39.5L9 39.5ZM4.4 57.2C7.9 58.7 12.1 57 13.5 53.4 15 49.8 13.3 45.7 9.6 44.3 6.1 42.8 2 44.6 0.5 48.1 -0.9 51.6 0.8 55.7 4.4 57.2L4.4 57.2ZM42.7 35.8C46.2 37.3 50.4 35.6 51.8 32 53.3 28.4 51.6 24.3 47.9 22.9 44.3 21.4 40.3 23.2 38.8 26.7 37.5 30.3 39.2 34.4 42.7 35.8L42.7 35.8ZM107.1 30.2C103.5 31.7 99.3 30 98 26.5 96.5 22.9 98.2 18.7 101.8 17.3 105.4 15.9 109.5 17.6 111 21.2 112.3 24.7 110.6 28.7 107.1 30.2L107.1 30.2ZM123 39.5C119.4 41 115.3 39.3 113.9 35.8 112.4 32.2 114.1 28 117.6 26.7 121.2 25.2 125.3 26.9 126.8 30.5 128.3 34 126.5 38 123 39.5L123 39.5ZM127.7 57.2C124.1 58.7 119.9 57 118.5 53.4 117 49.8 118.7 45.7 122.4 44.3 126 42.8 130.1 44.6 131.6 48.1 132.9 51.6 131.2 55.7 127.7 57.2L127.7 57.2ZM89.3 35.8C85.7 37.3 81.5 35.6 80.1 32 78.7 28.4 80.3 24.3 84 22.9 87.6 21.4 91.7 23.2 93.2 26.7 94.6 30.3 92.9 34.4 89.3 35.8L89.3 35.8ZM69.7 17.7L69.7 17.7 78.6 22.4 78.6 9.3 69.7 12.1 69.7 12.1C69.5 11.8 69.2 11.5 68.8 11.2L68.8 11.2 72.4 0 66 0 59.6 0 63.1 11.2 63.1 11.2C62.8 11.5 62.5 11.7 62.2 12.1L62.2 12.1 53.4 9.3 53.4 22.4 62.2 17.7 62.2 17.7C62.5 18 62.8 18.4 63.1 18.6L58.1 34C58.1 34 58.1 34 58.1 34.1L58.1 34.1 58.1 34.1C57.9 34.9 57.7 35.7 57.7 36.5 57.7 40.6 60.8 44 64.7 44.6L64.9 44.6C65.2 44.6 65.6 44.7 65.9 44.7 66.3 44.7 66.6 44.7 66.9 44.6L67.1 44.6C71.1 44 74.2 40.5 74.2 36.5 74.2 35.7 74.1 34.8 73.8 34.1L73.8 34.1 73.8 34.1C73.8 34.1 73.8 34.1 73.8 34L68.7 18.6C69.1 18.4 69.4 18 69.7 17.7L69.7 17.7ZM66 92.8C82.9 92.8 98.8 93.9 113.1 96 117.1 79.1 122 69.3 127.1 62.5L117.5 59.1C118.5 64 118.6 66.3 117.5 69.3 116 67.9 114.5 65 113.3 60.6L108.6 76C111.4 74 113.6 72.8 116.1 72.7 111.7 82.1 106.1 84.6 102.5 83.9 98.2 83.1 96.2 79.3 96.9 76 97.9 71.3 102.6 70.1 104.9 75.5 109.2 66.8 101.9 64.1 97.3 66.7 104.4 59.5 105.2 53.2 99.4 45.6 91.4 51.7 91.3 57.9 94.9 66.4 90.2 61 82.8 63.9 85.4 72.6 88.8 67.4 93.3 70.6 92.6 75.7 92 80 86.2 83.5 79.1 82.9 68.8 82 68.2 74.9 67.9 69.1 70.4 68.6 75 70.9 78.9 76.4L80.2 60C76.1 64.4 72.2 65.3 67.9 65.4 69.3 61 75.9 53.8 75.9 53.8L66.4 53.8 66.4 53.8 66.4 53.8 55.5 53.8C55.5 53.8 61.9 61 63.4 65.4 59.2 65.3 55.4 64.4 51.1 60L52.5 76.4C56.4 70.9 61 68.7 63.4 69.1 63.1 74.9 62.5 81.9 52.3 82.9 45.1 83.5 39.4 80 38.8 75.7 38.1 70.7 42.6 67.4 45.9 72.6 48.6 63.9 41.3 61 36.5 66.4 40.2 57.9 40.1 51.7 31.9 45.6 26.1 53.2 26.9 59.5 34.1 66.7 29.4 64.1 22.2 66.8 26.4 75.5 28.7 70 33.5 71.3 34.5 76 35.2 79.3 33.2 83.1 28.8 83.9 25.3 84.6 19.8 82.1 15.3 72.7 17.8 72.8 20 74 22.8 76L18.1 60.6C16.9 65 15.4 67.8 13.8 69.3 12.7 66.3 12.9 64 13.8 59.1L4.3 62.5C9.3 69.4 14.2 79.2 18.3 96 33.1 93.9 49.1 92.8 66 92.8L66 92.8Z"/>
+    </g>
+  </g>
+</svg>
diff --git a/src/assets/images/govuk-opengraph-image.png b/src/assets/images/govuk-opengraph-image.png
new file mode 100644
index 0000000000..355284fbf6
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diff --git a/src/template.njk b/src/template.njk
new file mode 100644
index 0000000000..dcf3b7beb4
--- /dev/null
+++ b/src/template.njk
@@ -0,0 +1,58 @@
+{% from "./components/skip-link/macro.njk" import govukSkipLink %}
+{% from "./components/header/macro.njk" import govukHeader %}
+{% from "./components/footer/macro.njk" import govukFooter %}
+
+{% block pageStart %}{% endblock %}
+<!DOCTYPE html>
+<html lang="{{ htmlLang | default('en') }}">
+  <head>
+    <meta charset="utf-8" />
+    <title>{% block pageTitle %}GOV.UK - The best place to find government services and information{% endblock %}</title>
+
+    <link rel="shortcut icon" href="{{ assetPath | default('assets/') }}images/favicon.ico" type="image/x-icon" />
+    <link rel="mask-icon" href="{{ assetPath | default('assets/') }}images/govuk-mask-icon.svg" color="#0b0c0c"> {# Hardcoded value of $govuk-black #}
+    <link rel="apple-touch-icon" sizes="180x180" href="{{ assetPath | default('assets/') }}images/govuk-apple-touch-icon-180x180.png">
+    <link rel="apple-touch-icon" sizes="167x167" href="{{ assetPath | default('assets/') }}images/govuk-apple-touch-icon-167x167.png">
+    <link rel="apple-touch-icon" sizes="152x152" href="{{ assetPath | default('assets/') }}images/govuk-apple-touch-icon-152x152.png">
+    <link rel="apple-touch-icon" href="{{ assetPath | default('assets/') }}images/govuk-apple-touch-icon.png">
+
+    <meta name="theme-color" content="#0b0c0c" /> {# Hardcoded value of $govuk-black #}
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+
+    {% block head %}{% endblock %}
+
+    {# The default og:image is added below head so that scrapers see any custom metatags first, and this is just a fallback #}
+    <meta property="og:image" content="{{ assetPath | default('assets/') }}images/govuk-opengraph-image.png">
+  </head>
+  <body class="{{ bodyClasses }}">
+    <script>document.body.className = ((document.body.className) ? document.body.className + ' js-enabled' : 'js-enabled');</script>
+    {% block bodyStart %}{% endblock %}
+
+    {% block skipLink %}
+      {{ govukSkipLink({
+        href: '#main-content',
+        text: 'Skip to main content'
+      }) }}
+    {% endblock %}
+
+    {% block header %}
+      {{ govukHeader({
+          containerClasses: 'govuk-width-container'
+      }) }}
+    {% endblock %}
+
+    {% block main %}
+      <main id="main-content" role="main">
+        <div class="govuk-width-container">
+          {% block content %}{% endblock %}
+        </div>
+      </main>
+    {% endblock %}
+
+    {% block footer %}
+      {{ govukFooter({}) }}
+    {% endblock %}
+
+    {% block bodyEnd %}{% endblock %}
+  </body>
+</html>