Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PropertyClasses/ClosingStructuresInputContextProperties.cs
===================================================================
diff -u -rf3c7ae4cc9069268dba97e9dd691bf449fa393db -r449b5831547d5a6391da8ad825e7c845ef7ecc1c
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PropertyClasses/ClosingStructuresInputContextProperties.cs	(.../ClosingStructuresInputContextProperties.cs)	(revision f3c7ae4cc9069268dba97e9dd691bf449fa393db)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Forms/PropertyClasses/ClosingStructuresInputContextProperties.cs	(.../ClosingStructuresInputContextProperties.cs)	(revision 449b5831547d5a6391da8ad825e7c845ef7ecc1c)
@@ -258,6 +258,7 @@
             }
         }
 
+        [DynamicReadOnly]
         [PropertyOrder(inflowModelTypePropertyIndex)]
         [TypeConverter(typeof(EnumTypeConverter))]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_Schematization))]
@@ -313,6 +314,7 @@
             }
         }
 
+        [DynamicReadOnly]
         [PropertyOrder(failureProbabilityOpenStructurePropertyIndex)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_Schematization))]
         [ResourcesDisplayName(typeof(Resources), nameof(Resources.FailureProbabilityOpenStructure_DisplayName))]
@@ -332,6 +334,7 @@
             }
         }
 
+        [DynamicReadOnly]
         [PropertyOrder(failureProbabilityReparationPropertyIndex)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_Schematization))]
         [ResourcesDisplayName(typeof(Resources), nameof(Resources.FailureProbabilityReparation_DisplayName))]
@@ -351,6 +354,7 @@
             }
         }
 
+        [DynamicReadOnly]
         [PropertyOrder(identicalAperturesPropertyIndex)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_Schematization))]
         [ResourcesDisplayName(typeof(Resources), nameof(Resources.IdenticalApertures_DisplayName))]
@@ -386,6 +390,7 @@
             }
         }
 
+        [DynamicReadOnly]
         [PropertyOrder(probabilityOrFrequencyOpenStructureBeforeFloodingPropertyIndex)]
         [ResourcesCategory(typeof(RingtoetsCommonFormsResources), nameof(RingtoetsCommonFormsResources.Categories_Schematization))]
         [ResourcesDisplayName(typeof(Resources), nameof(Resources.ProbabilityOrFrequencyOpenStructureBeforeFlooding_DisplayName))]
@@ -406,5 +411,31 @@
         }
 
         #endregion
+
+        public override bool IsReadOnly(string property)
+        {
+            if (property == nameof(InflowModelType))
+            {
+                return !HasStructure();
+            }
+            if (property == nameof(IdenticalApertures))
+            {
+                return !HasStructure();
+            }
+            if (property == nameof(ProbabilityOrFrequencyOpenStructureBeforeFlooding))
+            {
+                return !HasStructure();
+            }
+            if (property == nameof(FailureProbabilityOpenStructure))
+            {
+                return !HasStructure();
+            }
+            if (property == nameof(FailureProbabilityReparation))
+            {
+                return !HasStructure();
+            }
+
+            return base.IsReadOnly(property);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs
===================================================================
diff -u -rf3c7ae4cc9069268dba97e9dd691bf449fa393db -r449b5831547d5a6391da8ad825e7c845ef7ecc1c
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs	(.../ClosingStructuresInputContextPropertiesTest.cs)	(revision f3c7ae4cc9069268dba97e9dd691bf449fa393db)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Forms.Test/PropertyClasses/ClosingStructuresInputContextPropertiesTest.cs	(.../ClosingStructuresInputContextPropertiesTest.cs)	(revision 449b5831547d5a6391da8ad825e7c845ef7ecc1c)
@@ -471,19 +471,19 @@
             // Assert
             PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
 
-            PropertyDescriptor inflowModelType = dynamicProperties[5];
+            PropertyDescriptor inflowModelType = dynamicProperties[6];
             Assert.IsTrue(inflowModelType.IsReadOnly);
 
-            PropertyDescriptor identicalApertures = dynamicProperties[8];
+            PropertyDescriptor identicalApertures = dynamicProperties[9];
             Assert.IsTrue(identicalApertures.IsReadOnly);
 
-            PropertyDescriptor probabilityOrFrequencyOpenStructureBeforeFlooding = dynamicProperties[15];
+            PropertyDescriptor probabilityOrFrequencyOpenStructureBeforeFlooding = dynamicProperties[16];
             Assert.IsTrue(probabilityOrFrequencyOpenStructureBeforeFlooding.IsReadOnly);
 
-            PropertyDescriptor failureProbabilityOpenStructure = dynamicProperties[16];
+            PropertyDescriptor failureProbabilityOpenStructure = dynamicProperties[17];
             Assert.IsTrue(failureProbabilityOpenStructure.IsReadOnly);
 
-            PropertyDescriptor failureProbabilityReparation = dynamicProperties[17];
+            PropertyDescriptor failureProbabilityReparation = dynamicProperties[18];
             Assert.IsTrue(failureProbabilityReparation.IsReadOnly);
 
             AssertPropertiesInState(properties.ThresholdHeightOpenWeir, true);
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresInputBaseProperties.cs
===================================================================
diff -u -rf3c7ae4cc9069268dba97e9dd691bf449fa393db -r449b5831547d5a6391da8ad825e7c845ef7ecc1c
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresInputBaseProperties.cs	(.../StructuresInputBaseProperties.cs)	(revision f3c7ae4cc9069268dba97e9dd691bf449fa393db)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PropertyClasses/StructuresInputBaseProperties.cs	(.../StructuresInputBaseProperties.cs)	(revision 449b5831547d5a6391da8ad825e7c845ef7ecc1c)
@@ -568,7 +568,7 @@
         }
 
         [DynamicReadOnlyValidationMethod]
-        public bool IsReadOnly(string property)
+        public virtual bool IsReadOnly(string property)
         {
             if (property == nameof(StructureNormalOrientation))
             {
Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresInputContextProperties.cs
===================================================================
diff -u -rf861839e975251253e2ffd7bc3f0a1839b85534e -r449b5831547d5a6391da8ad825e7c845ef7ecc1c
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresInputContextProperties.cs	(.../HeightStructuresInputContextProperties.cs)	(revision f861839e975251253e2ffd7bc3f0a1839b85534e)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Forms/PropertyClasses/HeightStructuresInputContextProperties.cs	(.../HeightStructuresInputContextProperties.cs)	(revision 449b5831547d5a6391da8ad825e7c845ef7ecc1c)
@@ -99,7 +99,9 @@
             get
             {
                 return new NormalDistributionProperties(
-                    DistributionPropertiesReadOnly.None,
+                    HasStructure()
+                        ? DistributionPropertiesReadOnly.None
+                        : DistributionPropertiesReadOnly.All,
                     data.WrappedData.LevelCrestStructure,
                     PropertyChangeHandler);
             }
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresInputContextPropertiesTest.cs
===================================================================
diff -u -r37fc59cc0f3becb92e14b8263bd8e9fc71aa0e79 -r449b5831547d5a6391da8ad825e7c845ef7ecc1c
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresInputContextPropertiesTest.cs	(.../HeightStructuresInputContextPropertiesTest.cs)	(revision 37fc59cc0f3becb92e14b8263bd8e9fc71aa0e79)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PropertyClasses/HeightStructuresInputContextPropertiesTest.cs	(.../HeightStructuresInputContextPropertiesTest.cs)	(revision 449b5831547d5a6391da8ad825e7c845ef7ecc1c)
@@ -193,6 +193,45 @@
         }
 
         [Test]
+        [TestCase(true)]
+        [TestCase(false)]
+        public void Constructor_WithOrWithoutStructure_CorrectReadOnlyForStructureDependentProperties(bool hasStructure)
+        {
+            // Setup
+            var assessmentSectionStub = mockRepository.Stub<IAssessmentSection>();
+            var handler = mockRepository.Stub<IObservablePropertyChangeHandler>();
+            mockRepository.ReplayAll();
+
+            var failureMechanism = new HeightStructuresFailureMechanism();
+            var calculation = new StructuresCalculation<HeightStructuresInput>();
+            var inputContext = new HeightStructuresInputContext(calculation.InputParameters,
+                                                                calculation,
+                                                                failureMechanism,
+                                                                assessmentSectionStub);
+            if (hasStructure)
+            {
+                calculation.InputParameters.Structure = new TestHeightStructure();
+            }
+
+            // Call
+            var properties = new HeightStructuresInputContextProperties(inputContext, handler);
+
+            // Assert
+            AssertPropertiesInState(properties.LevelCrestStructure, !hasStructure);
+
+            mockRepository.VerifyAll();
+        }
+
+        private static void AssertPropertiesInState(object properties, bool expectedReadOnly)
+        {
+            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
+            Assert.AreEqual(3, dynamicProperties.Count);
+
+            Assert.AreEqual(expectedReadOnly, dynamicProperties[1].IsReadOnly);
+            Assert.AreEqual(expectedReadOnly, dynamicProperties[2].IsReadOnly);
+        }
+
+        [Test]
         public void GetAvailableForeshoreProfiles_SetInputContextInstanceWithForeshoreProfiles_ReturnForeshoreProfiles()
         {
             // Setup
@@ -305,6 +344,7 @@
             var calculation = new StructuresCalculation<HeightStructuresInput>();
             HeightStructuresInput input = calculation.InputParameters;
             input.ForeshoreProfile = new TestForeshoreProfile();
+            input.Structure = new TestHeightStructure();
 
             var customHandler = new CalculationInputSetPropertyValueAfterConfirmationParameterTester(new[]
                 {