Many of us adore our cats; and it looks like the Japanese regard them like children. Some Japanese housing builders have come up with designs with special features for cats. Here are the images from a house called Plus-Nyan house by Asahi Kasei, a leading house builder in Japan. This could be a dream house for every cat owner and their cats, as it would require great deal of research to design these houses keeping in mind the requirements of the clients and their cats. Here are a few key features: open air cat walks, climbing steps, cat doors in every door, deck built in to the window, extra space in the bathroom designed for their compartment, cat room hidden under the stairs, special fencing to prevent cats from getting away. Apart from these, there has been use of cat friendly construction materials as well. Here is another interesting Cat House Update: Don't miss the Part - II, here is ' Cat-Friendly House Design - Part: 2 '.