diff --git a/kcms/lookandfeel/kcm.h b/kcms/lookandfeel/kcm.h
--- a/kcms/lookandfeel/kcm.h
+++ b/kcms/lookandfeel/kcm.h
@@ -45,6 +45,7 @@
     Q_PROPERTY(bool applyPlasmaTheme READ applyPlasmaTheme WRITE setApplyPlasmaTheme NOTIFY applyPlasmaThemeChanged)
     Q_PROPERTY(bool applyWindowSwitcher READ applyWindowSwitcher WRITE setApplyWindowSwitcher NOTIFY applyWindowSwitcherChanged)
     Q_PROPERTY(bool applyDesktopSwitcher READ applyDesktopSwitcher WRITE setApplyDesktopSwitcher NOTIFY applyDesktopSwitcherChanged)
+    Q_PROPERTY(bool resetDefaultLayout READ resetDefaultLayout WRITE setResetDefaultLayout NOTIFY resetDefaultLayoutChanged)
 
 public:
     enum Roles {
@@ -95,6 +96,8 @@
     bool applyWindowSwitcher() const;
     void setApplyDesktopSwitcher(bool apply);
     bool applyDesktopSwitcher() const;
+    bool resetDefaultLayout() const;
+    void setResetDefaultLayout(bool reset);
 
     Q_INVOKABLE void getNewStuff();
 
@@ -112,6 +115,7 @@
     void applyPlasmaThemeChanged();
     void applyWindowSwitcherChanged();
     void applyDesktopSwitcherChanged();
+    void resetDefaultLayoutChanged();
 
 private:
     QDir cursorThemeDir(const QString &theme, const int depth);
@@ -132,6 +136,7 @@
     bool m_applyCursors : 1;
     bool m_applyWindowSwitcher : 1;
     bool m_applyDesktopSwitcher : 1;
+    bool m_resetDefaultLayout : 1;
 };
 
 #endif
diff --git a/kcms/lookandfeel/kcm.cpp b/kcms/lookandfeel/kcm.cpp
--- a/kcms/lookandfeel/kcm.cpp
+++ b/kcms/lookandfeel/kcm.cpp
@@ -67,6 +67,7 @@
     , m_applyCursors(true)
     , m_applyWindowSwitcher(true)
     , m_applyDesktopSwitcher(true)
+    , m_resetDefaultLayout(false)
 {
     //This flag seems to be needed in order for QQuickWidget to work
     //see https://bugreports.qt-project.org/browse/QTBUG-40765
@@ -241,6 +242,18 @@
 
     m_configGroup.writeEntry("LookAndFeelPackage", m_selectedPlugin);
 
+    QDBusMessage message;
+    if (m_resetDefaultLayout) {
+        message = QDBusMessage::createMethodCall(QStringLiteral("org.kde.plasmashell"), QStringLiteral("/PlasmaShell"),
+                                                   QStringLiteral("org.kde.PlasmaShell"), QStringLiteral("loadLookAndFeelDefaultLayout"));
+
+        QList<QVariant> args;
+        args << m_selectedPlugin;
+        message.setArguments(args);
+
+        QDBusConnection::sessionBus().call(message, QDBus::NoBlock);
+    }
+
     if (!package.filePath("defaults").isEmpty()) {
         KSharedConfigPtr conf = KSharedConfig::openConfig(package.filePath("defaults"));
         KConfigGroup cg(conf, "kdeglobals");
@@ -683,4 +696,22 @@
     return m_applyDesktopSwitcher;
 }
 
+void KCMLookandFeel::setResetDefaultLayout(bool reset)
+{
+    if (m_resetDefaultLayout == reset) {
+        return;
+    }
+    m_resetDefaultLayout = reset;
+    emit resetDefaultLayoutChanged();
+    if (reset) {
+        setNeedsSave(true);
+    }
+}
+
+bool KCMLookandFeel::resetDefaultLayout() const
+{
+    return m_resetDefaultLayout;
+}
+
+
 #include "kcm.moc"
diff --git a/kcms/lookandfeel/package/contents/ui/main.qml b/kcms/lookandfeel/package/contents/ui/main.qml
--- a/kcms/lookandfeel/package/contents/ui/main.qml
+++ b/kcms/lookandfeel/package/contents/ui/main.qml
@@ -130,6 +130,7 @@
                             onClicked: {
                                 grid.currentIndex = index
                                 kcm.selectedPlugin = model.pluginName
+                                resetCheckbox.checked = false;
                             }
                             Timer {
                                 interval: 1000 // FIXME TODO: Use platform value for tooltip activation delay.
@@ -155,11 +156,36 @@
                 }
             }
         }
-        QtControls.Button {
-            anchors.right: parent.right
-            text: i18n("Get New Looks...")
-            iconName: "get-hot-new-stuff"
-            onClicked: kcm.getNewStuff();
+        QtControls.Label {
+            text: i18nd("kcm_lookandfeel", "Warning: your Plasma Desktop layout will be lost and reset to the default layout provided by the selected theme.")
+            visible: resetCheckbox.checked
+            wrapMode: Text.WordWrap
+            Layout.fillWidth: true
+        }
+        Connections {
+            target: kcm
+            onNeedsSaveChanged: {
+                if (!needsSave) {
+                    resetCheckbox.checked = false;
+                }
+            }
+        }
+        RowLayout {
+            QtControls.CheckBox {
+                id: resetCheckbox
+                checked: kcm.resetDefaultLayout
+                text: i18n("Use Desktop Layout from theme")
+                onCheckedChanged: kcm.resetDefaultLayout = checked;
+            }
+            Item {
+                Layout.fillWidth: true
+            }
+            QtControls.Button {
+                anchors.right: parent.right
+                text: i18n("Get New Looks...")
+                iconName: "get-hot-new-stuff"
+                onClicked: kcm.getNewStuff();
+            }
         }
     }
 }