diff --git a/components/breadcrumbs.js b/components/breadcrumbs.js
index bf3e3909..ff3e52fa 100644
--- a/components/breadcrumbs.js
+++ b/components/breadcrumbs.js
@@ -20,7 +20,8 @@ import {
 import {
     createSimpleRouteRenderers,
     createSimpleLinkTextPairRenderers,
-    createSimpleMyPortalRouteRenderers
+    createSimpleMyPortalRouteRenderers,
+    createCaseDetailRouteRenderers
 } from "../lib/routing/breadcrumbRendererFactories";
 
 const Breadcrumbs = (props) => {
@@ -90,12 +91,11 @@ const Breadcrumbs = (props) => {
 
     const getViewAllLabel = (viewKey) => {
         const labelsByKey = {
-            awaitingSubmissionDetails: t(
-                "myportal:awatitingsubmission-card-title"
-            ),
-            watchedCases: t("myportal:watchedcases-card-title"),
-            myCases: t("myportal:mycases-card-title"),
-            myRepresentations: t("myportal:myrepresentations-card-title"),
+            awaitingSubmissionDetails: () =>
+                t("myportal:awatitingsubmission-card-title"),
+            watchedCases: () => t("myportal:watchedcases-card-title"),
+            myCases: () => t("myportal:mycases-card-title"),
+            myRepresentations: () => t("myportal:myrepresentations-card-title"),
             mySubmittedReps: "Submitted representations"
         };
 
@@ -107,7 +107,6 @@ const Breadcrumbs = (props) => {
             "/account/register": () =>
                 t("account:register-new-account-heading"),
             "/dns": () => t("dnsCommon:service-name"),
-            "/dnsapplications": () => t("dnsCommon:service-name"),
             "/dns/application-process": () => "Guidance",
             "/dns/help": () => "Help",
             "/dns/contact-us": () => t("common:footer-contact-us-link-label"),
@@ -227,12 +226,6 @@ const Breadcrumbs = (props) => {
             renderMyPortalSectionCrumbs
         });
 
-    const mappedRouteRendererMaps = buildBreadcrumbRendererMaps({
-        simpleRouteRenderersByPath,
-        simpleLinkTextPairRenderersByPath,
-        simpleMyPortalRouteRenderersByPath
-    });
-
     const resolveMappedRouteRenderer = (path) => {
         return resolveMappedRouteRendererByMaps(path, mappedRouteRendererMaps);
     };
@@ -247,11 +240,32 @@ const Breadcrumbs = (props) => {
             query: router.query,
             hasSession: Boolean(session),
             getViewAllLabel,
-            advancedLabel: t("common:breadcrumb-advanced-search-results"),
-            addressLabel: t("common:breadcrumb-address-search-results"),
-            defaultLabel: t("common:breadcrumb-search-results")
+            advancedLabel: () => t("common:breadcrumb-advanced-search-results"),
+            addressLabel: () => t("common:breadcrumb-address-search-results"),
+            defaultLabel: () => t("common:breadcrumb-search-results")
         });
 
+    const caseDetailRouteRenderersByPath = createCaseDetailRouteRenderers({
+        t,
+        router,
+        isWelsh,
+        caseResultsHref,
+        breadcrumbLabel,
+        fallbackSearchTitle,
+        caseReferenceDisplay,
+        getViewAllLabel,
+        renderLinkCrumb,
+        renderCaseReferenceCrumb,
+        renderMyPortalCrumb
+    });
+
+    const mappedRouteRendererMaps = buildBreadcrumbRendererMaps({
+        simpleRouteRenderersByPath,
+        simpleLinkTextPairRenderersByPath,
+        simpleMyPortalRouteRenderersByPath,
+        caseDetailRouteRenderersByPath
+    });
+
     const staticTextCrumbLabel = getStaticTextCrumbLabel(pathname);
 
     return (
@@ -340,16 +354,6 @@ const Breadcrumbs = (props) => {
                             </>
                         )}
 
-                        {isPath("/case/[ticketnumber]") && (
-                            <>
-                                {renderLinkCrumb(
-                                    caseResultsHref,
-                                    breadcrumbLabel
-                                )}
-                                {renderCaseReferenceCrumb(fallbackSearchTitle)}
-                            </>
-                        )}
-
                         {isPath("/case/id/[incident]") && (
                             <>
                                 {renderLinkCrumb(
@@ -394,17 +398,6 @@ const Breadcrumbs = (props) => {
                             </>
                         )}
 
-                        {isPath("/myportal/case/[ticketnumber]") && (
-                            <>
-                                {renderMyPortalCrumb()}
-                                {renderLinkCrumb(
-                                    breadcrumbHref,
-                                    breadcrumbLabel
-                                )}
-                                {renderCaseReferenceCrumb(caseReferenceDisplay)}
-                            </>
-                        )}
-
                         {isPath("/myportal/dnsdetails") && (
                             <>
                                 {renderMyPortalCrumb()}
diff --git a/lib/routing/breadcrumbRendererFactories.js b/lib/routing/breadcrumbRendererFactories.js
index 88ceb51e..756a8054 100644
--- a/lib/routing/breadcrumbRendererFactories.js
+++ b/lib/routing/breadcrumbRendererFactories.js
@@ -17,7 +17,8 @@ export const createSimpleRouteRenderers = ({
     "/viewall": () =>
         renderMyPortalSectionCrumbs(t("common:breadcrumb-your-cases")),
     "/myportal/dnsapplications": () =>
-        renderMyPortalSectionCrumbs(t("dnsCommon:service-name"))
+        renderMyPortalSectionCrumbs(t("dnsCommon:service-name")),
+    "/dnsapplications": () => renderTextCrumb(t("dnsCommon:service-name"))
 });
 
 export const createSimpleLinkTextPairRenderers = ({
@@ -105,3 +106,133 @@ export const createSimpleMyPortalRouteRenderers = ({
         </>
     )
 });
+
+export const createCaseDetailRouteRenderers = ({
+    t,
+    router,
+    isWelsh,
+    caseResultsHref,
+    breadcrumbLabel,
+    fallbackSearchTitle,
+    caseReferenceDisplay,
+    getViewAllLabel,
+    renderLinkCrumb,
+    renderCaseReferenceCrumb,
+    renderMyPortalCrumb
+}) => ({
+    "/case/[ticketnumber]": () => {
+        const { ads, adv, va, key } = router.query;
+
+        if (ads === "true") {
+            return (
+                <>
+                    {renderLinkCrumb(
+                        isWelsh
+                            ? `/${router.locale}/chwiliadcyfeiriadau`
+                            : "/addresssearch",
+                        t("common:breadcrumb-address-search")
+                    )}
+                    {renderLinkCrumb(
+                        caseResultsHref,
+                        t("common:breadcrumb-address-search-results")
+                    )}
+                    {renderCaseReferenceCrumb(fallbackSearchTitle)}
+                </>
+            );
+        }
+
+        if (adv === "true") {
+            return (
+                <>
+                    {renderLinkCrumb(
+                        isWelsh
+                            ? `/${router.locale}/advancedsearch`
+                            : "/advancedsearch",
+                        t("common:breadcrumb-advanced-search")
+                    )}
+                    {renderLinkCrumb(
+                        caseResultsHref,
+                        t("common:breadcrumb-advanced-search-results")
+                    )}
+                    {renderCaseReferenceCrumb(fallbackSearchTitle)}
+                </>
+            );
+        }
+
+        if (va === "true") {
+            return (
+                <>
+                    {renderLinkCrumb("/myportal/viewall", getViewAllLabel(key))}
+                    {renderCaseReferenceCrumb(fallbackSearchTitle)}
+                </>
+            );
+        }
+
+        return (
+            <>
+                {renderLinkCrumb(caseResultsHref, breadcrumbLabel)}
+                {renderCaseReferenceCrumb(fallbackSearchTitle)}
+            </>
+        );
+    },
+
+    "/myportal/case/[ticketnumber]": () => {
+        const { ads, adv, va, key } = router.query;
+
+        if (ads === "true") {
+            return (
+                <>
+                    {renderMyPortalCrumb()}
+                    {renderLinkCrumb(
+                        isWelsh
+                            ? `/${router.locale}/fymhorth/chwiliadcyfeiriadau`
+                            : "/myportal/addresssearch",
+                        t("common:breadcrumb-address-search")
+                    )}
+                    {renderLinkCrumb(
+                        caseResultsHref,
+                        t("common:breadcrumb-address-search-results")
+                    )}
+                    {renderCaseReferenceCrumb(caseReferenceDisplay)}
+                </>
+            );
+        }
+
+        if (adv === "true") {
+            return (
+                <>
+                    {renderMyPortalCrumb()}
+                    {renderLinkCrumb(
+                        isWelsh
+                            ? `/${router.locale}/myportal/advancedsearch`
+                            : "/myportal/advancedsearch",
+                        t("common:breadcrumb-advanced-search")
+                    )}
+                    {renderLinkCrumb(
+                        caseResultsHref,
+                        t("common:breadcrumb-advanced-search-results")
+                    )}
+                    {renderCaseReferenceCrumb(caseReferenceDisplay)}
+                </>
+            );
+        }
+
+        if (va === "true") {
+            return (
+                <>
+                    {renderMyPortalCrumb()}
+                    {renderLinkCrumb("/myportal/viewall", getViewAllLabel(key))}
+                    {renderCaseReferenceCrumb(caseReferenceDisplay)}
+                </>
+            );
+        }
+
+        return (
+            <>
+                {renderMyPortalCrumb()}
+                {renderLinkCrumb(caseResultsHref, breadcrumbLabel)}
+                {renderCaseReferenceCrumb(caseReferenceDisplay)}
+            </>
+        );
+    }
+});
diff --git a/lib/routing/breadcrumbRouteMaps.js b/lib/routing/breadcrumbRouteMaps.js
index cf5038bc..14375002 100644
--- a/lib/routing/breadcrumbRouteMaps.js
+++ b/lib/routing/breadcrumbRouteMaps.js
@@ -15,11 +15,13 @@ const resolveMappedRouteRenderer = (path, routeRendererMaps = []) => {
 const buildBreadcrumbRendererMaps = ({
     simpleRouteRenderersByPath,
     simpleLinkTextPairRenderersByPath,
-    simpleMyPortalRouteRenderersByPath
+    simpleMyPortalRouteRenderersByPath,
+    caseDetailRouteRenderersByPath
 }) => [
     simpleRouteRenderersByPath,
     simpleLinkTextPairRenderersByPath,
-    simpleMyPortalRouteRenderersByPath
+    simpleMyPortalRouteRenderersByPath,
+    caseDetailRouteRenderersByPath
 ];
 
 module.exports = {