diff --git a/autotests/client/test_plasma_window_model.cpp b/autotests/client/test_plasma_window_model.cpp
--- a/autotests/client/test_plasma_window_model.cpp
+++ b/autotests/client/test_plasma_window_model.cpp
@@ -65,6 +65,7 @@
     void testIsMovable();
     void testIsResizable();
     void testIsVirtualDesktopChangeable();
+    void testIsCloseable();
     void testTitle();
     void testAppId();
     void testVirtualDesktop();
@@ -225,6 +226,7 @@
     QTest::newRow("IsMovable")            << int(PlasmaWindowModel::IsMovable) << QByteArrayLiteral("IsMovable");
     QTest::newRow("IsResizable")          << int(PlasmaWindowModel::IsResizable) << QByteArrayLiteral("IsResizable");
     QTest::newRow("IsVirtualDesktopChangeable") << int(PlasmaWindowModel::IsVirtualDesktopChangeable) << QByteArrayLiteral("IsVirtualDesktopChangeable");
+    QTest::newRow("IsCloseable")          << int(PlasmaWindowModel::IsCloseable) << QByteArrayLiteral("IsCloseable");
 }
 
 void PlasmaWindowModelTest::testRoleNames()
@@ -308,6 +310,7 @@
     QTest::newRow("IsMovable")            << int(PlasmaWindowModel::IsMovable) << QVariant(false);
     QTest::newRow("IsResizable")          << int(PlasmaWindowModel::IsResizable) << QVariant(false);
     QTest::newRow("IsVirtualDesktopChangeable") << int(PlasmaWindowModel::IsVirtualDesktopChangeable) << QVariant(false);
+    QTest::newRow("IsCloseable")           << int(PlasmaWindowModel::IsCloseable) << QVariant(false);
 }
 
 void PlasmaWindowModelTest::testDefaultData()
@@ -412,6 +415,11 @@
     QVERIFY(testBooleanData(PlasmaWindowModel::IsVirtualDesktopChangeable, &PlasmaWindowInterface::setVirtualDesktopChangeable));
 }
 
+void PlasmaWindowModelTest::testIsCloseable()
+{
+    QVERIFY(testBooleanData(PlasmaWindowModel::IsCloseable, &PlasmaWindowInterface::setCloseable));
+}
+
 void PlasmaWindowModelTest::testTitle()
 {
     auto model = m_pw->createWindowModel();
diff --git a/src/client/plasmawindowmodel.h b/src/client/plasmawindowmodel.h
--- a/src/client/plasmawindowmodel.h
+++ b/src/client/plasmawindowmodel.h
@@ -94,7 +94,11 @@
         /**
         * @since 5.7
         */
-        IsVirtualDesktopChangeable
+        IsVirtualDesktopChangeable,
+        /**
+        * @since 5.7
+        */
+        IsCloseable
     };
 
     explicit PlasmaWindowModel(PlasmaWindowManagement *parent);
diff --git a/src/client/plasmawindowmodel.cpp b/src/client/plasmawindowmodel.cpp
--- a/src/client/plasmawindowmodel.cpp
+++ b/src/client/plasmawindowmodel.cpp
@@ -151,6 +151,10 @@
     QObject::connect(window, &PlasmaWindow::virtualDesktopChangeableChanged,
         [window, this] { this->dataChanged(window, IsVirtualDesktopChangeable); }
     );
+
+    QObject::connect(window, &PlasmaWindow::closeableChanged,
+        [window, this] { this->dataChanged(window, IsCloseable); }
+    );
 }
 
 void PlasmaWindowModel::Private::dataChanged(PlasmaWindow *window, int role)
@@ -253,6 +257,8 @@
         return window->isResizable();
     } else if (role == IsVirtualDesktopChangeable) {
         return window->isVirtualDesktopChangeable();
+    } else if (role == IsCloseable) {
+        return window->isCloseable();
     }
 
     return QVariant();