GameCraft Miniatures releases a 25/28mm church:
From their announcement:
GameCraft Miniatures have released a giant church that is suitable for 25mm and 28mm sci-fi, fantasy or wargaming. The model measures 15″ x 7.88″ x 11.47″ tall. (382mm x 200mm x 291mm) and can be built with a removable top if you desire. An optional shingle kit and an optional stained glass window kit are also available if you want to really dress the model up.