diff --git a/components/case/representation/representationElements.js b/components/case/representation/representationElements.js
index 9fade1e2..5108923d 100644
--- a/components/case/representation/representationElements.js
+++ b/components/case/representation/representationElements.js
@@ -939,10 +939,6 @@ export const RenderFileUpload = (field) => {
             case "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
                 return "/assets/images/documenttypes/xlsx.png";
                 break;
-
-            case "application/zip":
-                return "/assets/images/documenttypes/zip.png";
-                break;
             case "image/jpeg":
                 return "/assets/images/documenttypes/jpg.png";
             case "image/png":
@@ -1091,7 +1087,6 @@ export const RenderFileUpload = (field) => {
                         [".docx"],
                     "image/tiff": [".tif", ".tiff"],
                     "image/jpeg": [".jpg", ".jpeg"],
-                    "application/zip": [".zip"],
                     "image/png": [".png"],
                     "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
                         [".xlsx"],
@@ -1338,7 +1333,7 @@ export const RenderFileUpload = (field) => {
                                         ?.values?.repfile_name
                             ) +
                             "&blobname=" +
-                            blob.name +
+                            encodeURIComponent(blob.name) +
                             blob.hashedfilepath
                         }
                         className="govuk-body govuk-!-font-size-14 govuk-!-padding-left-5 govuk-link"
diff --git a/components/elements/index.js b/components/elements/index.js
index 931edf43..bf38eb10 100644
--- a/components/elements/index.js
+++ b/components/elements/index.js
@@ -1973,10 +1973,6 @@ const RenderFileUpload = (field) => {
             case "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
                 return "/assets/images/documenttypes/xlsx.png";
                 break;
-
-            case "application/zip":
-                return "/assets/images/documenttypes/zip.png";
-                break;
             case "image/jpeg":
                 return "/assets/images/documenttypes/jpg.png";
             case "image/png":
@@ -2145,7 +2141,6 @@ const RenderFileUpload = (field) => {
                         [".docx"],
                     "image/tiff": [".tif", ".tiff"],
                     "image/jpeg": [".jpg", ".jpeg"],
-                    "application/zip": [".zip"],
                     "image/png": [".png"],
                     "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet":
                         [".xlsx"],
@@ -2383,9 +2378,9 @@ const RenderFileUpload = (field) => {
                                     "/api/file/downloadblob?container=" +
                                     field.containerID +
                                     "&casefolderID=" +
-                                    field.ticketnumber +
+                                    encodeURIComponent(field.ticketnumber) +
                                     "&blobname=" +
-                                    blob.name +
+                                    encodeURIComponent(blob.name) +
                                     blob.hashedfilepath
                                 }
                                 className="govuk-body govuk-!-font-size-14 govuk-!-padding-left-5 govuk-link"