diff --git a/src/house_type.h b/src/house_type.h
new file mode 100644
--- /dev/null
+++ b/src/house_type.h
@@ -0,0 +1,13 @@
+/* $Id$ */
+
+/** @file house_type.h declaration of basic house types and enums */
+
+#ifndef HOUSE_TYPE_H
+#define HOUSE_TYPE_H
+
+typedef uint16 HouseID;
+typedef uint16 HouseClassID;
+
+struct HouseSpec;
+
+#endif /* HOUSE_TYPE_H */