diff --git a/modules/juce_core/containers/juce_Array.h b/modules/juce_core/containers/juce_Array.h
index 63e088dae2..c39622d550 100644
--- a/modules/juce_core/containers/juce_Array.h
+++ b/modules/juce_core/containers/juce_Array.h
@@ -72,7 +72,7 @@ private:
 public:
     //==============================================================================
     /** Creates an empty array. */
-    Array() = default;
+    Array() noexcept = default;
 
     /** Creates a copy of another array.
         @param other    the array to copy
diff --git a/modules/juce_core/containers/juce_ArrayBase.h b/modules/juce_core/containers/juce_ArrayBase.h
index d322191365..8ae8997271 100644
--- a/modules/juce_core/containers/juce_ArrayBase.h
+++ b/modules/juce_core/containers/juce_ArrayBase.h
@@ -54,13 +54,16 @@ class ArrayBase  : public TypeOfCriticalSectionToUse
 private:
     using ParameterType = typename TypeHelpers::ParameterType<ElementType>::type;
 
+    static_assert (std::is_nothrow_constructible_v<TypeOfCriticalSectionToUse>,
+                   "The critical section type used must not throw during construction");
+
     template <class OtherElementType, class OtherCriticalSection>
     using AllowConversion = std::enable_if_t<! std::is_same_v<std::tuple<ElementType, TypeOfCriticalSectionToUse>,
                                                               std::tuple<OtherElementType, OtherCriticalSection>>>;
 
 public:
     //==============================================================================
-    ArrayBase() = default;
+    ArrayBase() noexcept = default;
 
     ~ArrayBase()
     {
diff --git a/modules/juce_core/containers/juce_ListenerList.h b/modules/juce_core/containers/juce_ListenerList.h
index 563921951c..2b45c35f09 100644
--- a/modules/juce_core/containers/juce_ListenerList.h
+++ b/modules/juce_core/containers/juce_ListenerList.h
@@ -388,6 +388,12 @@ private:
 
         if (state.compare_exchange_strong (expected, State::initialising))
         {
+            static_assert (std::is_nothrow_constructible_v<ArrayType>,
+                           "Any ListenerList ArrayType must have a noexcept default constructor");
+
+            static_assert (std::is_nothrow_constructible_v<SafeIterators>,
+                           "Please notify the JUCE team if you encounter this assertion");
+
             listeners = std::make_shared<ArrayType>();
             iterators = std::make_shared<SafeIterators>();
             state = State::initialised;
diff --git a/modules/juce_core/containers/juce_ListenerList_test.cpp b/modules/juce_core/containers/juce_ListenerList_test.cpp
index 8df2d5a81e..e8da6236d7 100644
--- a/modules/juce_core/containers/juce_ListenerList_test.cpp
+++ b/modules/juce_core/containers/juce_ListenerList_test.cpp
@@ -384,11 +384,11 @@ public:
 
             struct TestCriticalSection
             {
-                TestCriticalSection()  { isAlive() = true; }
-                ~TestCriticalSection() { isAlive() = false; }
+                TestCriticalSection()  noexcept { isAlive() = true; }
+                ~TestCriticalSection() noexcept { isAlive() = false; }
 
                 static void enter() noexcept { numOutOfScopeCalls() += isAlive() ? 0 : 1; }
-                static void exit() noexcept  { numOutOfScopeCalls() += isAlive() ? 0 : 1; }
+                static void exit()  noexcept { numOutOfScopeCalls() += isAlive() ? 0 : 1; }
 
                 static bool tryEnter() noexcept
                 {
@@ -398,13 +398,13 @@ public:
 
                 using ScopedLockType = GenericScopedLock<TestCriticalSection>;
 
-                static bool& isAlive()
+                static bool& isAlive() noexcept
                 {
                     static bool inScope = false;
                     return inScope;
                 }
 
-                static int& numOutOfScopeCalls()
+                static int& numOutOfScopeCalls() noexcept
                 {
                     static int numOutOfScopeCalls = 0;
                     return numOutOfScopeCalls;
diff --git a/modules/juce_core/memory/juce_HeapBlock.h b/modules/juce_core/memory/juce_HeapBlock.h
index 4b7a05e0b3..f459fadc81 100644
--- a/modules/juce_core/memory/juce_HeapBlock.h
+++ b/modules/juce_core/memory/juce_HeapBlock.h
@@ -109,7 +109,7 @@ public:
         After creation, you can resize the array using the malloc(), calloc(),
         or realloc() methods.
     */
-    HeapBlock() = default;
+    HeapBlock() noexcept = default;
 
     /** Creates a HeapBlock containing a number of elements.