diff --git a/app/assets/javascripts/updateStatus.js b/app/assets/javascripts/updateStatus.js
index 071c622e0..a4a06b03b 100644
--- a/app/assets/javascripts/updateStatus.js
+++ b/app/assets/javascripts/updateStatus.js
@@ -3,10 +3,40 @@
 
   window.GOVUK.Modules.UpdateStatus = function() {
 
-    let getRenderer = $component => response => $component.html(
+    const getRenderer = $component => response => $component.html(
       response.html
     );
 
+    const throttle = (func, limit) => {
+
+      let throttleOn = false;
+      let callsHaveBeenThrottled = false;
+      let timeout;
+
+      return function() {
+
+        const args = arguments;
+        const context = this;
+
+        if (throttleOn) {
+          callsHaveBeenThrottled = true;
+        } else {
+          func.apply(context, args);
+          throttleOn = true;
+        }
+
+        clearTimeout(timeout);
+
+        timeout = setTimeout(() => {
+          throttleOn = false;
+          if (callsHaveBeenThrottled) func.apply(context, args);
+          callsHaveBeenThrottled = false;
+        }, limit);
+
+      };
+
+    };
+
     this.start = component => {
 
       let id = 'update-status';
@@ -19,7 +49,7 @@
 
       this.$textbox
         .attr('aria-described-by', this.$textbox.attr('aria-described-by') + ' ' + id)
-        .on('input', this.update)
+        .on('input', throttle(this.update, 150))
         .trigger('input');
 
     };
diff --git a/tests/javascripts/updateStatus.test.js b/tests/javascripts/updateStatus.test.js
index 35fb360b1..ae0fa5b24 100644
--- a/tests/javascripts/updateStatus.test.js
+++ b/tests/javascripts/updateStatus.test.js
@@ -127,10 +127,38 @@ describe('Update content', () => {
     window.GOVUK.modules.start();
     expect($.ajax.mock.calls.length).toEqual(1);
 
+    // 150ms of inactivity
+    jest.advanceTimersByTime(150);
     helpers.triggerEvent(textarea, 'input');
 
     expect($.ajax.mock.calls.length).toEqual(2);
 
   });
 
+  test("It should fire only after 150ms of inactivity", () => {
+
+    let textarea = document.getElementById('template_content');
+
+    // Initial update triggered
+    window.GOVUK.modules.start();
+    expect($.ajax.mock.calls.length).toEqual(1);
+
+    helpers.triggerEvent(textarea, 'input');
+    jest.advanceTimersByTime(149);
+    expect($.ajax.mock.calls.length).toEqual(1);
+
+    helpers.triggerEvent(textarea, 'input');
+    jest.advanceTimersByTime(149);
+    expect($.ajax.mock.calls.length).toEqual(1);
+
+    helpers.triggerEvent(textarea, 'input');
+    jest.advanceTimersByTime(149);
+    expect($.ajax.mock.calls.length).toEqual(1);
+
+    // > 150ms of inactivity
+    jest.advanceTimersByTime(1);
+    expect($.ajax.mock.calls.length).toEqual(2);
+
+  });
+
 });