diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index 85dfc09bef..05a1d6d20b 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -7,6 +7,7 @@
 - Feature: [#21893, #22065] On launch, the game now indicates what system is being initialised.
 - Feature: [#21913] [Plugin] Allow precise and safe control of peep animations.
 - Feature: [#22046] [Plugin] Add interface for crashed vehicle particle.
+- Feature: [#22085] [Plugin] The result of actions that create banners now includes the bannerIndex.
 - Feature: [#22087] [Plugin] Expose guests’ favourite rides to the plugin API.
 - Improved: [#19870] Allow using new colours in UI themes.
 - Improved: [#21853] Dropdowns now automatically use multiple columns if they are too tall for the screen.
diff --git a/distribution/openrct2.d.ts b/distribution/openrct2.d.ts
index 9f55127706..b9f93dabec 100644
--- a/distribution/openrct2.d.ts
+++ b/distribution/openrct2.d.ts
@@ -317,7 +317,7 @@ declare global {
         queryAction(action: string, args: object, callback?: (result: GameActionResult) => void): void;
         queryAction(action: ActionType, args: object, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "balloonpress", args: BalloonPressArgs, callback?: (result: GameActionResult) => void): void;
-        queryAction(action: "bannerplace", args: BannerPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        queryAction(action: "bannerplace", args: BannerPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         queryAction(action: "bannerremove", args: BannerRemoveArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "bannersetcolour", args: BannerSetColourArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "bannersetname", args: BannerSetNameArgs, callback?: (result: GameActionResult) => void): void;
@@ -339,7 +339,7 @@ declare global {
         queryAction(action: "landsetheight", args: LandSetHeightArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "landsetrights", args: LandSetRightsArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "landsmooth", args: LandSmoothArgs, callback?: (result: GameActionResult) => void): void;
-        queryAction(action: "largesceneryplace", args: LargeSceneryPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        queryAction(action: "largesceneryplace", args: LargeSceneryPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         queryAction(action: "largesceneryremove", args: LargeSceneryRemoveArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "largescenerysetcolour", args: LargeScenerySetColourArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "loadorquit", args: LoadOrQuitArgs, callback?: (result: GameActionResult) => void): void;
@@ -392,7 +392,7 @@ declare global {
         queryAction(action: "trackplace", args: TrackPlaceArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "trackremove", args: TrackRemoveArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "tracksetbrakespeed", args: TrackSetBrakeSpeedArgs, callback?: (result: GameActionResult) => void): void;
-        queryAction(action: "wallplace", args: WallPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        queryAction(action: "wallplace", args: WallPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         queryAction(action: "wallremove", args: WallRemoveArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "wallsetcolour", args: WallSetColourArgs, callback?: (result: GameActionResult) => void): void;
         queryAction(action: "waterlower", args: WaterLowerArgs, callback?: (result: GameActionResult) => void): void;
@@ -409,7 +409,7 @@ declare global {
         executeAction(action: string, args: object, callback?: (result: GameActionResult) => void): void;
         executeAction(action: ActionType, args: object, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "balloonpress", args: BalloonPressArgs, callback?: (result: GameActionResult) => void): void;
-        executeAction(action: "bannerplace", args: BannerPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        executeAction(action: "bannerplace", args: BannerPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         executeAction(action: "bannerremove", args: BannerRemoveArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "bannersetcolour", args: BannerSetColourArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "bannersetname", args: BannerSetNameArgs, callback?: (result: GameActionResult) => void): void;
@@ -431,7 +431,7 @@ declare global {
         executeAction(action: "landsetheight", args: LandSetHeightArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "landsetrights", args: LandSetRightsArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "landsmooth", args: LandSmoothArgs, callback?: (result: GameActionResult) => void): void;
-        executeAction(action: "largesceneryplace", args: LargeSceneryPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        executeAction(action: "largesceneryplace", args: LargeSceneryPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         executeAction(action: "largesceneryremove", args: LargeSceneryRemoveArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "largescenerysetcolour", args: LargeScenerySetColourArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "loadorquit", args: LoadOrQuitArgs, callback?: (result: GameActionResult) => void): void;
@@ -484,7 +484,7 @@ declare global {
         executeAction(action: "trackplace", args: TrackPlaceArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "trackremove", args: TrackRemoveArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "tracksetbrakespeed", args: TrackSetBrakeSpeedArgs, callback?: (result: GameActionResult) => void): void;
-        executeAction(action: "wallplace", args: WallPlaceArgs, callback?: (result: GameActionResult) => void): void;
+        executeAction(action: "wallplace", args: WallPlaceArgs, callback?: (result: BannerCreateActionResult) => void): void;
         executeAction(action: "wallremove", args: WallRemoveArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "wallsetcolour", args: WallSetColourArgs, callback?: (result: GameActionResult) => void): void;
         executeAction(action: "waterlower", args: WaterLowerArgs, callback?: (result: GameActionResult) => void): void;
@@ -1343,6 +1343,10 @@ declare global {
         expenditureType?: ExpenditureType;
     }
 
+    interface BannerCreateActionResult extends GameActionResult {
+        readonly bannerIndex?: number;
+    }
+
     interface RideCreateActionResult extends GameActionResult {
         readonly ride?: number;
     }
diff --git a/src/openrct2/actions/BannerPlaceAction.cpp b/src/openrct2/actions/BannerPlaceAction.cpp
index 19830294b6..1e5e736392 100644
--- a/src/openrct2/actions/BannerPlaceAction.cpp
+++ b/src/openrct2/actions/BannerPlaceAction.cpp
@@ -103,6 +103,7 @@ GameActions::Result BannerPlaceAction::Query() const
             GameActions::Status::InvalidParameters, STR_CANT_POSITION_THIS_HERE, STR_ERR_BANNER_ELEMENT_NOT_FOUND);
     }
     res.Cost = bannerEntry->price;
+    res.SetData(BannerPlaceActionResult{});
 
     return res;
 }
diff --git a/src/openrct2/scripting/ScriptEngine.cpp b/src/openrct2/scripting/ScriptEngine.cpp
index 919c7157f0..0ae1e48a2c 100644
--- a/src/openrct2/scripting/ScriptEngine.cpp
+++ b/src/openrct2/scripting/ScriptEngine.cpp
@@ -12,10 +12,13 @@
 #    include "ScriptEngine.h"
 
 #    include "../PlatformEnvironment.h"
+#    include "../actions/BannerPlaceAction.h"
 #    include "../actions/CustomAction.h"
 #    include "../actions/GameAction.h"
+#    include "../actions/LargeSceneryPlaceAction.h"
 #    include "../actions/RideCreateAction.h"
 #    include "../actions/StaffHireNewAction.h"
+#    include "../actions/WallPlaceAction.h"
 #    include "../config/Config.h"
 #    include "../core/EnumMap.hpp"
 #    include "../core/File.h"
@@ -1222,6 +1225,26 @@ DukValue ScriptEngine::GameActionResultToDuk(const GameAction& action, const Gam
             }
         }
     }
+    // BannerPlaceAction, LargeSceneryPlaceAction, WallPlaceAction
+    auto bannerId = BannerIndex::GetNull();
+    switch (action.GetType())
+    {
+        case GameCommand::PlaceBanner:
+            bannerId = result.GetData<BannerPlaceActionResult>().bannerId;
+            break;
+        case GameCommand::PlaceLargeScenery:
+            bannerId = result.GetData<LargeSceneryPlaceActionResult>().bannerId;
+            break;
+        case GameCommand::PlaceWall:
+            bannerId = result.GetData<WallPlaceActionResult>().BannerId;
+            break;
+        default:
+            break;
+    }
+    if (!bannerId.IsNull())
+    {
+        obj.Set("bannerIndex", bannerId.ToUnderlying());
+    }
 
     return obj.Take();
 }
diff --git a/src/openrct2/scripting/ScriptEngine.h b/src/openrct2/scripting/ScriptEngine.h
index caea02ad5e..753e983f13 100644
--- a/src/openrct2/scripting/ScriptEngine.h
+++ b/src/openrct2/scripting/ScriptEngine.h
@@ -47,7 +47,7 @@ namespace OpenRCT2
 
 namespace OpenRCT2::Scripting
 {
-    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 91;
+    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 92;
 
     // Versions marking breaking changes.
     static constexpr int32_t API_VERSION_33_PEEP_DEPRECATION = 33;