diff --git a/src/saland/GameRegion.cpp b/src/saland/GameRegion.cpp
index decbcf4..c27e4bb 100644
--- a/src/saland/GameRegion.cpp
+++ b/src/saland/GameRegion.cpp
@@ -23,7 +23,6 @@ https://github.com/sago007/saland
 
 #include "GameRegion.hpp"
 #include "GameItems.hpp"
-#include "Prefabs.hpp"
 #include <cmath>
 
 GameRegion::GameRegion() {
@@ -70,6 +69,22 @@ static bool Intersect(const Placeable& p1, const Placeable& p2) {
 	return false;
 }
 
+void GameRegion::SpawnPrefab(const Prefab& prefab, int destX, int destY) {
+	for (int i=destX; i < destX+prefab.width; ++i) {
+		for (int j=destY; j < destY+prefab.height; ++j) {
+			if (world.tile_protected(i, j)) {
+				std::cout << "Do not spawn prefab " << prefab.name << "(" << i << "," << j << "), Protected tile\n";
+				return;
+			}
+			if (world.tile_blocking(i, j)) {
+				std::cout << "Do not spawn prefab " << prefab.name << "(" << i << "," << j << "), Blocked tile\n";
+				return;
+			}
+		}
+	}
+	ApplyPrefab(world.tm, destX, destY, prefab);
+}
+
 void GameRegion::SpawnItem(const ItemDef& def, float destX, float destY) {
 	std::shared_ptr<MiscItem> barrel = std::make_shared<MiscItem>();
 	barrel.get()->Radius = def.radius;
@@ -213,7 +228,7 @@ void GameRegion::Init(int x, int y, const std::string& worldName, bool forceRese
 		}
 	}
 
-	ApplyPrefab(world.tm, 32, 32, getPrefab("basic_house"));
+	SpawnPrefab(getPrefab("basic_house"), 32, 32);
 
 	MonsterDef batDef;
 	batDef.radius = 16.0f;
diff --git a/src/saland/GameRegion.hpp b/src/saland/GameRegion.hpp
index efed9a4..92c7499 100644
--- a/src/saland/GameRegion.hpp
+++ b/src/saland/GameRegion.hpp
@@ -27,6 +27,7 @@ https://github.com/sago007/saland
 #include "model/World.hpp"
 #include "model/placeables.hpp"
 #include "GameItems.hpp"
+#include "Prefabs.hpp"
 #include "../sagotmx/tmx_struct.h"
 #include "../terrain/WaterHandler.hpp"
 #include <vector>
@@ -59,6 +60,7 @@ public:
 	}
 	void SpawnMonster(const MonsterDef& def, float destX, float destY) ;
 	void SpawnItem(const ItemDef& def, float destX, float destY) ;
+	void SpawnPrefab(const Prefab& prefab, int destX, int destY);
 	std::string GetRegionType(int x, int y) const;
 private:
 	int region_x = 0;
diff --git a/src/saland/Prefabs.hpp b/src/saland/Prefabs.hpp
index 591acf1..6b413ec 100644
--- a/src/saland/Prefabs.hpp
+++ b/src/saland/Prefabs.hpp
@@ -41,6 +41,10 @@ void ApplyPrefabLayer(sago::tiled::TileMap& dest, int destX, int destY, const ch
 
 void ApplyPrefabObjectMarker(sago::tiled::TileMap& dest, int destX, int destY, const Prefab& prefab);
 
+/**
+ * Does not validate if there are blocking elements underneth.
+ * Use GameRegion::SpawnPrefab check that.
+ * */
 void ApplyPrefab(sago::tiled::TileMap& dest, int destX, int destY, const Prefab& prefab);
 
 Prefab getPrefab(const char* name);