diff --git a/forms/CppunitTest_forms_unit.mk b/forms/CppunitTest_forms_unit.mk
new file mode 100644
index 000000000000..4a740fe34417
--- /dev/null
+++ b/forms/CppunitTest_forms_unit.mk
@@ -0,0 +1,39 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+$(eval $(call gb_CppunitTest_CppunitTest,forms_unit))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,forms_unit))
+
+$(eval $(call gb_CppunitTest_use_externals,forms_unit, \
+    libxml2 \
+))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,forms_unit, \
+    forms/qa/unit/forms_test \
+))
+
+$(eval $(call gb_CppunitTest_use_libraries,forms_unit, \
+    comphelper \
+    cppu \
+    cppuhelper \
+    sal \
+    subsequenttest \
+    test \
+    tl \
+    unotest \
+    utl \
+))
+
+$(eval $(call gb_CppunitTest_use_ure,forms_unit))
+$(eval $(call gb_CppunitTest_use_vcl,forms_unit))
+$(eval $(call gb_CppunitTest_use_rdb,forms_unit,services))
+$(eval $(call gb_CppunitTest_use_configuration,forms_unit))
+
+# vim: set noet sw=4 ts=4:
diff --git a/forms/Module_forms.mk b/forms/Module_forms.mk
index 7ba484b81d3a..d708317c3b31 100644
--- a/forms/Module_forms.mk
+++ b/forms/Module_forms.mk
@@ -13,6 +13,10 @@ $(eval $(call gb_Module_add_targets,forms,\
     Library_frm \
 ))
 
+$(eval $(call gb_Module_add_check_targets,forms,\
+    CppunitTest_forms_unit \
+))
+
 $(eval $(call gb_Module_add_l10n_targets,forms,\
     AllLangMoTarget_frm \
 ))
diff --git a/forms/qa/unit/forms_test.cxx b/forms/qa/unit/forms_test.cxx
new file mode 100644
index 000000000000..6a45d3d565c7
--- /dev/null
+++ b/forms/qa/unit/forms_test.cxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <test/unoapi_test.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <comphelper/processfactory.hxx>
+
+using namespace com::sun::star;
+
+namespace
+{
+class FormsTest : public UnoApiTest
+{
+public:
+    FormsTest()
+        : UnoApiTest(u""_ustr)
+    {
+    }
+
+    uno::Reference<beans::XPropertySet> createFormComponent(const OUString& rServiceName)
+    {
+        return uno::Reference<beans::XPropertySet>(
+            comphelper::getProcessServiceFactory()->createInstance(rServiceName),
+            uno::UNO_QUERY_THROW);
+    }
+};
+
+CPPUNIT_TEST_FIXTURE(FormsTest, testTdf51727_GridControlTabStopDefault)
+{
+    auto xModel = createFormComponent(u"com.sun.star.form.component.GridControl"_ustr);
+
+    // Without the fix in place, this test would have failed with
+    // - Expected: false
+    // - Actual  : void
+    // i.e. the tab stop property of the grid control was not initialized correctly
+    uno::Any aTabStop = xModel->getPropertyValue(u"Tabstop"_ustr);
+    CPPUNIT_ASSERT(aTabStop.hasValue());
+    bool bTabStop = true;
+    CPPUNIT_ASSERT(aTabStop >>= bTabStop);
+    CPPUNIT_ASSERT_EQUAL(false, bTabStop);
+}
+
+} // namespace
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/forms/source/component/Grid.cxx b/forms/source/component/Grid.cxx
index 67957dbfff88..ba2e0b107063 100644
--- a/forms/source/component/Grid.cxx
+++ b/forms/source/component/Grid.cxx
@@ -82,6 +82,8 @@ OGridControlModel::OGridControlModel(const Reference<XComponentContext>& _rxFact
     ,m_bDisplaySynchron(true)
 {
     m_nClassId = FormComponentType::GRIDCONTROL;
+    // tdf#51727 - explicitly set to false so tab navigation skips this control by default
+    m_aTabStop <<= false;
 }
 
 OGridControlModel::OGridControlModel( const OGridControlModel* _pOriginal, const Reference< XComponentContext >& _rxFactory )
@@ -104,6 +106,7 @@ OGridControlModel::OGridControlModel( const OGridControlModel* _pOriginal, const
     m_bPrintable = _pOriginal->m_bPrintable;
     m_bAlwaysShowCursor = _pOriginal->m_bAlwaysShowCursor;
     m_bDisplaySynchron = _pOriginal->m_bDisplaySynchron;
+    m_aTabStop = _pOriginal->m_aTabStop;
     // clone the columns
     cloneColumns( _pOriginal );
     // TODO: clone the events?
@@ -662,6 +665,7 @@ Any OGridControlModel::getPropertyDefaultByHandle( sal_Int32 nHandle ) const
             aReturn <<= true;
             break;
         case PROPERTY_ID_ALWAYSSHOWCURSOR:
+        case PROPERTY_ID_TABSTOP:
             aReturn <<= false;
             break;
         case PROPERTY_ID_HELPURL:
@@ -672,7 +676,6 @@ Any OGridControlModel::getPropertyDefaultByHandle( sal_Int32 nHandle ) const
             aReturn <<= sal_Int16(1);
             break;
         case PROPERTY_ID_BORDERCOLOR:
-        case PROPERTY_ID_TABSTOP:
         case PROPERTY_ID_BACKGROUNDCOLOR:
         case PROPERTY_ID_ROWHEIGHT:
         case PROPERTY_ID_CURSORCOLOR: