diff --git a/contributors.md b/contributors.md
index b41c9c0d06..ff319d73c0 100644
--- a/contributors.md
+++ b/contributors.md
@@ -109,6 +109,7 @@ The following people are not part of the development team, but have been contrib
 * Nikolas Parshook (nparshook) - Misc.
 * Wenzhao Qiu (qwzhaox) - Misc.
 * Tiago Reul (reul) - Misc.
+* Fredrik Tegnell (fredriktegnell) - Misc.
 
 ## Bug fixes
 * (KirilAngelov)
diff --git a/data/language/en-GB.txt b/data/language/en-GB.txt
index d455b561c9..852197ac50 100644
--- a/data/language/en-GB.txt
+++ b/data/language/en-GB.txt
@@ -3696,6 +3696,7 @@ STR_6590    :Show the window buttons (e.g. to close the window) on the left of t
 STR_6591    :Staff member is currently fixing a ride and can’t be fired.
 STR_6592    :Staff member is currently inspecting a ride and can’t be fired.
 STR_6593    :Remove park fences
+STR_6594    :Tile Inspector: Toggle wall slope
 
 #############
 # Scenarios #
diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 70162c0040..b39a8ea993 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -1,5 +1,6 @@
 0.4.7 (in development)
 ------------------------------------------------------------------------
+- Feature: [#12078] Add shortcut key for toggling wall slope.
 - Feature: [#19919] Add diagonal brakes and diagonal block brakes to most coaster types.
 - Feature: [#20141] Add additional track pieces to the Giga Coaster.
 - Feature: [OpenMusic#46] Added Mystic ride music style.
diff --git a/src/openrct2-ui/input/ShortcutIds.h b/src/openrct2-ui/input/ShortcutIds.h
index 6af3142b60..8b7e7580c3 100644
--- a/src/openrct2-ui/input/ShortcutIds.h
+++ b/src/openrct2-ui/input/ShortcutIds.h
@@ -117,6 +117,7 @@ namespace OpenRCT2::Ui::ShortcutId
     constexpr std::string_view WindowTileInspectorDecreaseY = "window.tileinspector.decrease_y";
     constexpr std::string_view WindowTileInspectorIncreaseHeight = "window.tileinspector.increase_height";
     constexpr std::string_view WindowTileInspectorDecreaseHeight = "window.tileinspector.decrease_height";
+    constexpr std::string_view WindowTileInspectorChangeWallSlope = "window.tileinspector.toggle_wall_slope";
 
     // Debug
     constexpr std::string_view DebugToggleConsole = "debug.console";
diff --git a/src/openrct2-ui/input/Shortcuts.cpp b/src/openrct2-ui/input/Shortcuts.cpp
index c6dbe52856..e06f94bf1c 100644
--- a/src/openrct2-ui/input/Shortcuts.cpp
+++ b/src/openrct2-ui/input/Shortcuts.cpp
@@ -24,6 +24,7 @@
 #include <openrct2/OpenRCT2.h>
 #include <openrct2/actions/CheatSetAction.h>
 #include <openrct2/actions/LoadOrQuitAction.h>
+#include <openrct2/actions/TileModifyAction.h>
 #include <openrct2/audio/audio.h>
 #include <openrct2/config/Config.h>
 #include <openrct2/interface/Chat.h>
@@ -40,6 +41,7 @@
 #include <openrct2/windows/TileInspectorGlobals.h>
 #include <openrct2/world/Park.h>
 #include <openrct2/world/Scenery.h>
+#include <openrct2/world/TileInspector.h>
 
 using namespace OpenRCT2;
 using namespace OpenRCT2::Ui;
@@ -515,6 +517,31 @@ static void TileInspectorMouseDown(WidgetIndex widgetIndex)
     }
 }
 
+static void ShortcutToggleWallSlope()
+{
+    WindowBase* window = WindowFindByClass(WindowClass::TileInspector);
+    if (window == nullptr)
+    {
+        return;
+    }
+
+    const TileElement* tileElement = OpenRCT2::TileInspector::GetSelectedElement();
+
+    // Ensure an element is selected and it's a wall
+    if (tileElement == nullptr || tileElement->GetType() != TileElementType::Wall)
+    {
+        return;
+    }
+
+    int32_t currSlopeValue = tileElement->AsWall()->GetSlope();
+    int32_t newSlopeValue = (currSlopeValue + 1) % 3;
+
+    extern TileCoordsXY windowTileInspectorTile;
+    auto modifyTile = TileModifyAction(
+        windowTileInspectorTile.ToCoordsXY(), TileModifyType::WallSetSlope, windowTileInspectorSelectedIndex, newSlopeValue);
+    GameActions::Execute(&modifyTile);
+}
+
 static void ShortcutIncreaseElementHeight()
 {
     WindowBase* w = WindowFindByClass(WindowClass::TileInspector);
@@ -871,6 +898,7 @@ void ShortcutManager::RegisterDefaultShortcuts()
     RegisterShortcut(ShortcutId::WindowTileInspectorDecreaseY, STR_SHORTCUT_DECREASE_Y_COORD, std::bind(TileInspectorMouseDown, WC_TILE_INSPECTOR__WIDX_SPINNER_Y_DECREASE));
     RegisterShortcut(ShortcutId::WindowTileInspectorIncreaseHeight, STR_SHORTCUT_INCREASE_ELEM_HEIGHT, ShortcutIncreaseElementHeight);
     RegisterShortcut(ShortcutId::WindowTileInspectorDecreaseHeight, STR_SHORTCUT_DECREASE_ELEM_HEIGHT, ShortcutDecreaseElementHeight);
+    RegisterShortcut(ShortcutId::WindowTileInspectorChangeWallSlope, STR_SHORTCUT_TOGGLE_WALL_SLOPE, ShortcutToggleWallSlope);
 
     // Debug
     RegisterShortcut(ShortcutId::DebugToggleConsole, STR_CONSOLE, "`", ShortcutToggleConsole);
diff --git a/src/openrct2/localisation/StringIds.h b/src/openrct2/localisation/StringIds.h
index 906598b8b4..264aa43b31 100644
--- a/src/openrct2/localisation/StringIds.h
+++ b/src/openrct2/localisation/StringIds.h
@@ -4002,6 +4002,8 @@ enum : uint16_t
 
     STR_CHEAT_REMOVE_PARK_FENCES = 6593,
 
+    STR_SHORTCUT_TOGGLE_WALL_SLOPE = 6594,
+
     // Have to include resource strings (from scenarios and objects) for the time being now that language is partially working
     /* MAX_STR_COUNT = 32768 */ // MAX_STR_COUNT - upper limit for number of strings, not the current count strings
 };