diff --git a/src/client/creatures.cpp b/src/client/creatures.cpp
index 0a606eac..c2373767 100644
--- a/src/client/creatures.cpp
+++ b/src/client/creatures.cpp
@@ -83,10 +83,8 @@ void Spawn::load(TiXmlElement* node)
     }
 }
 
-void Spawn::save(TiXmlElement*& node)
+void Spawn::save(TiXmlElement* node)
 {
-    node = new TiXmlElement("spawn");
-
     const Position& c = getCenterPos();
     node->SetAttribute("centerx", c.x);
     node->SetAttribute("centery", c.y);
@@ -260,7 +258,7 @@ void CreatureManager::saveSpawns(const std::string& fileName)
     doc.LinkEndChild(root);
 
     for(auto pair : m_spawns) {
-        TiXmlElement* elem;
+        TiXmlElement* elem = new TiXmlElement("spawn");
         pair.second->save(elem);
         root->LinkEndChild(elem);
     }
diff --git a/src/client/creatures.h b/src/client/creatures.h
index 16690a76..9b2d7bd4 100644
--- a/src/client/creatures.h
+++ b/src/client/creatures.h
@@ -61,7 +61,7 @@ public:
 
 protected:
     void load(TiXmlElement* node);
-    void save(TiXmlElement*& node);
+    void save(TiXmlElement* node);
 
 private:
     stdext::dynamic_storage<uint8> m_attribs;
diff --git a/src/client/declarations.h b/src/client/declarations.h
index 8cd03fc8..b9955501 100644
--- a/src/client/declarations.h
+++ b/src/client/declarations.h
@@ -77,8 +77,10 @@ typedef stdext::shared_object_ptr<Spawn> SpawnPtr;
 typedef std::vector<ThingPtr> ThingList;
 typedef std::vector<ThingTypePtr> ThingTypeList;
 typedef std::vector<ItemTypePtr> ItemTypeList;
-typedef std::vector<HousePtr> HouseList;
-typedef std::vector<TownPtr> TownList;
+typedef std::list<HousePtr> HouseList;
+typedef std::list<TownPtr> TownList;
+typedef std::list<ItemPtr> ItemList;
+typedef std::vector<ItemPtr> ItemVector;
 typedef std::unordered_map<Position, TilePtr, PositionHasher> TileMap;
 
 // net
diff --git a/src/client/houses.cpp b/src/client/houses.cpp
index 93ddc91e..4d67f3b9 100644
--- a/src/client/houses.cpp
+++ b/src/client/houses.cpp
@@ -28,12 +28,10 @@ HouseManager g_houses;
 
 House::House()
 {
-    m_nullTile = TilePtr(new Tile(Position()));
 }
 
 House::House(uint32 hId, const std::string &name, const Position &pos)
 {
-    m_nullTile = TilePtr(new Tile(Position()));
     setId(hId);
     setName(name);
     if(pos.isValid())
@@ -46,12 +44,27 @@ void House::setTile(const TilePtr& tile)
     m_tiles.insert(std::make_pair(tile->getPosition(), tile));
 }
 
-const TilePtr& House::getTile(const Position& position)
+TilePtr House::getTile(const Position& position)
 {
     TileMap::const_iterator iter = m_tiles.find(position);
     if(iter != m_tiles.end())
         return iter->second;
-    return m_nullTile;
+    return nullptr;
+}
+
+void House::addDoor(const ItemPtr& door)
+{
+    if (!door) return;
+    door->setDoorId(m_lastDoorId);
+    m_doors[m_lastDoorId++] = door;
+}
+
+void House::removeDoorById(uint32 doorId)
+{
+    if(doorId >= m_lastDoorId)
+        stdext::throw_exception(stdext::format("Failed to remove door of id %d (would overflow), max id: %d",
+				 doorId, m_lastDoorId));
+    m_doors[doorId] = nullptr;
 }
 
 void House::load(const TiXmlElement *elem)
@@ -73,10 +86,8 @@ void House::load(const TiXmlElement *elem)
     setEntry(entryPos);
 }
 
-void House::save(TiXmlElement*& elem)
+void House::save(TiXmlElement* elem)
 {
-    elem = new TiXmlElement("house");
-
     elem->SetAttribute("name", getName());
     elem->SetAttribute("houseid", getId());
 
@@ -93,7 +104,6 @@ void House::save(TiXmlElement*& elem)
 
 HouseManager::HouseManager()
 {
-    m_nullHouse = HousePtr(new House);
 }
 
 void HouseManager::addHouse(const HousePtr& house)
@@ -109,11 +119,17 @@ void HouseManager::removeHouse(uint32 houseId)
         m_houses.erase(it);
 }
 
-const HousePtr& HouseManager::getHouse(uint32 houseId)
+HousePtr HouseManager::getHouse(uint32 houseId)
+{
+    auto it = findHouse(houseId);
+    return it != m_houses.end() ? *it : nullptr;
+}
+
+HousePtr HouseManager::getHouseByName(std::string name)
 {
     auto it = std::find_if(m_houses.begin(), m_houses.end(),
-                           [=] (const HousePtr& house) -> bool { return house->getId() == houseId; });
-    return it != m_houses.end() ? *it : m_nullHouse;
+                           [=] (const HousePtr& house) -> bool { return house->getName() == name; });
+    return it != m_houses.end() ? *it : nullptr;
 }
 
 void HouseManager::load(const std::string& fileName)
@@ -152,7 +168,7 @@ void HouseManager::save(const std::string& fileName)
     doc.LinkEndChild(root);
 
     for(auto house : m_houses) {
-        TiXmlElement *elem;
+        TiXmlElement *elem = new TiXmlElement("house");
         house->save(elem);
         root->LinkEndChild(elem);
     }
@@ -161,8 +177,18 @@ void HouseManager::save(const std::string& fileName)
         stdext::throw_exception(stdext::format("failed to save houses XML %s: %s", fileName, doc.ErrorDesc()));
 }
 
+HouseList HouseManager::filterHouses(uint32 townId)
+{
+    HouseList ret;
+    for(const HousePtr& house : m_houses)
+        if(house->getTownId() == townId)
+	    ret.push_back(house);
+    return ret;
+}
+
 HouseList::iterator HouseManager::findHouse(uint32 houseId)
 {
     return std::find_if(m_houses.begin(), m_houses.end(),
                            [=] (const HousePtr& house) -> bool { return house->getId() == houseId; });
 }
+
diff --git a/src/client/houses.h b/src/client/houses.h
index 67f03932..2e32c291 100644
--- a/src/client/houses.h
+++ b/src/client/houses.h
@@ -43,10 +43,10 @@ class House : public LuaObject
 public:
     House();
     House(uint32 hId, const std::string& name = "", const Position& pos=Position());
-    ~House() { m_tiles.clear(); m_nullTile = nullptr; }
+    ~House() { m_tiles.clear(); }
 
     void setTile(const TilePtr& tile);
-    const TilePtr& getTile(const Position& pos);
+    TilePtr getTile(const Position& pos);
 
     void setName(const std::string& name) { m_attribs.set(HouseAttrName, name); }
     std::string getName() { return m_attribs.get<std::string>(HouseAttrName); }
@@ -66,14 +66,19 @@ public:
     void setEntry(const Position& p) { m_attribs.set(HouseAttrEntry, p); }
     Position getEntry() { return m_attribs.get<Position>(HouseAttrEntry); }
 
+    void addDoor(const ItemPtr& door);
+    void removeDoor(const ItemPtr& door) { removeDoorById(door->getDoorId()); }
+    void removeDoorById(uint32 doorId);
+
 protected:
     void load(const TiXmlElement* elem);
-    void save(TiXmlElement*& elem);
+    void save(TiXmlElement* elem);
 
 private:
     stdext::packed_storage<uint8> m_attribs;
     TileMap m_tiles;
-    TilePtr m_nullTile;
+    ItemVector m_doors;
+    uint32 m_lastDoorId;
     stdext::boolean<false> m_isGuildHall;
 
     friend class HouseManager;
@@ -85,16 +90,18 @@ public:
 
     void addHouse(const HousePtr& house);
     void removeHouse(uint32 houseId);
-    HouseList getHouseList() { return m_houses; }
-    const HousePtr& getHouse(uint32 houseId);
-    void clear() { m_houses.clear(); m_nullHouse = nullptr; }
+    HousePtr getHouse(uint32 houseId);
+    HousePtr getHouseByName(std::string name);
 
     void load(const std::string& fileName);
     void save(const std::string& fileName);
 
+    void clear() { m_houses.clear(); }
+    HouseList getHouseList() { return m_houses; }
+    HouseList filterHouses(uint32 townId);
+
 private:    
     HouseList m_houses;
-    HousePtr m_nullHouse;
 
 protected:
     HouseList::iterator findHouse(uint32 houseId);
diff --git a/src/client/item.cpp b/src/client/item.cpp
index 6570fc5a..7a7e884d 100644
--- a/src/client/item.cpp
+++ b/src/client/item.cpp
@@ -187,6 +187,10 @@ void Item::serializeItem(const OutputBinaryTreePtr& out)
         out->addU16(getDepotId());
     }
 
+    if(isHouseDoor()) {
+        out->addU8(ATTR_HOUSEDOORID);
+	out->addU8(getDoorId());
+    }
     uint16 aid = m_attribs.get<uint16>(ATTR_ACTION_ID);
     uint16 uid = m_attribs.get<uint16>(ATTR_UNIQUE_ID);
     if(aid) {
diff --git a/src/client/item.h b/src/client/item.h
index 79e01704..12429b2b 100644
--- a/src/client/item.h
+++ b/src/client/item.h
@@ -97,8 +97,6 @@ public:
     uint16 getServerId() { return m_serverId; }
     bool isValid();
 
-    ItemPtr clone();
-
     void unserializeItem(const BinaryTreePtr& in);
     void serializeItem(const OutputBinaryTreePtr& out);
 
@@ -111,6 +109,7 @@ public:
     void setActionId(uint16 actionId) { m_attribs.set(ATTR_ACTION_ID, actionId); }
     void setUniqueId(uint16 uniqueId) { m_attribs.set(ATTR_UNIQUE_ID, uniqueId); }
 
+    bool isHouseDoor() { return m_attribs.has(ATTR_HOUSEDOORID); }
     bool isDepot() { return m_attribs.has(ATTR_DEPOT_ID); }
     bool isContainer() { return m_attribs.has(ATTR_CONTAINER_ITEMS); }
     bool isDoor() { return m_attribs.has(ATTR_HOUSEDOORID); }
@@ -118,6 +117,7 @@ public:
     bool isMoveable();
     bool isGround();
 
+    ItemPtr clone();
     ItemPtr asItem() { return static_self_cast<Item>(); }
     bool isItem() { return true; }
 
@@ -136,7 +136,7 @@ private:
     uint16 m_serverId;
     uint8 m_countOrSubType;
     stdext::packed_storage<uint8> m_attribs;
-    std::vector<ItemPtr> m_containerItems;
+    ItemList m_containerItems;
 };
 
 #pragma pack(pop)
diff --git a/src/client/luafunctions.cpp b/src/client/luafunctions.cpp
index a18dc6ca..659175b5 100644
--- a/src/client/luafunctions.cpp
+++ b/src/client/luafunctions.cpp
@@ -70,16 +70,19 @@ void Client::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_things", "findItemTypeByCategory", &ThingTypeManager::findItemTypeByCategory, &g_things);
 
     g_lua.registerSingletonClass("g_houses");
-    g_lua.bindSingletonFunction("g_houses", "clear",        &HouseManager::clear,        &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "load",         &HouseManager::load,         &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "save",         &HouseManager::save,         &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "getHouse",     &HouseManager::getHouse,     &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "addHouse",     &HouseManager::addHouse,     &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "removeHouse",  &HouseManager::removeHouse,  &g_houses);
-    g_lua.bindSingletonFunction("g_houses", "getHouseList", &HouseManager::getHouseList, &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "clear",          &HouseManager::clear,          &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "load",           &HouseManager::load,           &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "save",           &HouseManager::save,           &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "getHouse",       &HouseManager::getHouse,       &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "getHouseByName", &HouseManager::getHouseByName, &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "addHouse",       &HouseManager::addHouse,       &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "removeHouse",    &HouseManager::removeHouse,    &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "getHouseList",   &HouseManager::getHouseList,   &g_houses);
+    g_lua.bindSingletonFunction("g_houses", "filterHouses",   &HouseManager::filterHouses,   &g_houses);
 
     g_lua.registerSingletonClass("g_towns");
     g_lua.bindSingletonFunction("g_towns", "getTown",      &TownManager::getTown,      &g_towns);
+    g_lua.bindSingletonFunction("g_towns", "getTownByName",&TownManager::getTownByName,&g_towns);
     g_lua.bindSingletonFunction("g_towns", "addTown",      &TownManager::addTown,      &g_towns);
     g_lua.bindSingletonFunction("g_towns", "removeTown",   &TownManager::removeTown,   &g_towns);
     g_lua.bindSingletonFunction("g_towns", "getTowns",     &TownManager::getTowns,   &g_towns);
@@ -336,6 +339,7 @@ void Client::registerLuaFunctions()
     g_lua.registerClass<House>();
     g_lua.bindClassStaticFunction<House>("create", []{ return HousePtr(new House); });
     g_lua.bindClassMemberFunction<House>("setId", &House::setId);
+    g_lua.bindClassMemberFunction<House>("getId", &House::getId);
     g_lua.bindClassMemberFunction<House>("setName", &House::setName);
     g_lua.bindClassMemberFunction<House>("getName", &House::getName);
     g_lua.bindClassMemberFunction<House>("setTownId", &House::setTownId);
@@ -344,6 +348,9 @@ void Client::registerLuaFunctions()
     g_lua.bindClassMemberFunction<House>("getTile", &House::getTile);
     g_lua.bindClassMemberFunction<House>("setEntry", &House::setEntry);
     g_lua.bindClassMemberFunction<House>("getEntry", &House::getEntry);
+    g_lua.bindClassMemberFunction<House>("addDoor", &House::addDoor);
+    g_lua.bindClassMemberFunction<House>("removeDoor", &House::removeDoor);
+    g_lua.bindClassMemberFunction<House>("removeDoorById", &House::removeDoorById);
     g_lua.bindClassMemberFunction<House>("setSize", &House::setSize);
     g_lua.bindClassMemberFunction<House>("getSize", &House::getSize);
     g_lua.bindClassMemberFunction<House>("setRent", &House::setRent);
diff --git a/src/client/towns.cpp b/src/client/towns.cpp
index 17d1deba..2a78ee41 100644
--- a/src/client/towns.cpp
+++ b/src/client/towns.cpp
@@ -58,6 +58,15 @@ const TownPtr& TownManager::getTown(uint32 townId)
     return m_nullTown;
 }
 
+const TownPtr& TownManager::getTownByName(std::string name)
+{
+    auto it = std::find_if(m_towns.begin(), m_towns.end(),
+		            [=] (const TownPtr& town) -> bool { return town->getName() == name; } );
+    if(it != m_towns.end())
+        return *it;
+    return m_nullTown;
+}
+
 TownList::iterator TownManager::findTown(uint32 townId)
 {
     return std::find_if(m_towns.begin(), m_towns.end(),
diff --git a/src/client/towns.h b/src/client/towns.h
index b50e4fa6..0e962381 100644
--- a/src/client/towns.h
+++ b/src/client/towns.h
@@ -54,6 +54,7 @@ public:
     void addTown(const TownPtr& town);
     void removeTown(uint32 townId);
     const TownPtr& getTown(uint32 townId);
+    const TownPtr& getTownByName(std::string name);
 
     TownList getTowns() { return m_towns; }
     void clear() { m_towns.clear(); m_nullTown = nullptr; }
diff --git a/src/client/uiitem.cpp b/src/client/uiitem.cpp
index bd539b9c..50af3fa0 100644
--- a/src/client/uiitem.cpp
+++ b/src/client/uiitem.cpp
@@ -63,8 +63,8 @@ void UIItem::drawSelf(Fw::DrawPane drawPane)
             g_painter->setColor(Color(231, 231, 231));
             m_font->drawText(count, Rect(m_rect.topLeft(), m_rect.bottomRight() - Point(3, 0)), Fw::AlignBottomRight);
         }
-        // debug, show item id
-        //m_font->drawText(stdext::to_string(m_item->getId()), m_rect, Fw::AlignBottomRight);
+        if(m_showId)
+	    m_font->drawText(stdext::to_string(m_item->getServerId()), m_rect, Fw::AlignBottomRight);
     }
 
     drawBorder(m_rect);
@@ -98,5 +98,7 @@ void UIItem::onStyleApply(const std::string& styleName, const OTMLNodePtr& style
             setItemVisible(node->value<bool>());
         else if(node->tag() == "virtual")
             setVirtual(node->value<bool>());
+	else if(node->tag() == "show-id")
+	    m_showId = node->value<bool>();
     }
 }
diff --git a/src/client/uiitem.h b/src/client/uiitem.h
index 7b454fd2..cb02bd02 100644
--- a/src/client/uiitem.h
+++ b/src/client/uiitem.h
@@ -54,6 +54,7 @@ protected:
     ItemPtr m_item;
     stdext::boolean<false> m_virtual;
     stdext::boolean<true> m_itemVisible;
+    stdext::boolean<false> m_showId;
 };
 
 #endif