diff --git a/backdrop/write/static/backdrop.css b/backdrop/write/static/backdrop.css
index 8423b523..8dbd220b 100644
--- a/backdrop/write/static/backdrop.css
+++ b/backdrop/write/static/backdrop.css
@@ -27,12 +27,25 @@ form label {
 }
 
 form div {
-    padding: 1em;
+    padding: 16px;
 }
 
 .form-panel {
     background-color: #d5e8f3;
-    width: 50%;
+    width: 60%;
+}
+
+.warning-panel {
+    margin-top: 16px;
+    width: 60%;
+    background: rgb(223, 233, 235) url("images/warning.png") no-repeat 98% 1em;
+    font-size: 1.15em;
+    line-height: 1.5em;
+}
+
+.list {
+    margin-left: 20px;
+    list-style-type: disc;
 }
 
 #bucket-list {
diff --git a/backdrop/write/static/images/warning.png b/backdrop/write/static/images/warning.png
new file mode 100644
index 00000000..c1619973
Binary files /dev/null and b/backdrop/write/static/images/warning.png differ
diff --git a/backdrop/write/templates/upload_csv.html b/backdrop/write/templates/upload_csv.html
index 1116bcb5..cc90bbc3 100644
--- a/backdrop/write/templates/upload_csv.html
+++ b/backdrop/write/templates/upload_csv.html
@@ -14,6 +14,16 @@ <h2>Bucket: {{ bucket_name }}</h2>
             <label for="csv-file">CSV file to upload</label>
             <input id="csv-file" type="file" name="file"/>
         </div>
+
+        <div class="warning-panel">
+            <strong>Make sure that the data you are providing:</strong>
+            <ul class="list">
+                <li>contains no personal data of any kind</li>
+                <li>has been signed off by your Senior Information Risk Officer</li>
+                <li>does not exceed IL0 confidentiality</li>
+            </ul>
+        </div>
+
         <div>
             <input class="btn btn-primary btn-large" type="submit" value="Upload" />
         </div>