Ok whoever is going to buy  a house in Kathmandu Valley I have some suggestions for him/her. As we know that Nepal lies in an active seismic zone and Kathmandu Valley poses the greatest risk of earthquake hazard we need to find that whether that house has beed constructed using earthquake engineering or not. At least what you can do is to look a map called Engineering and Environmental Geological Map of Kathmandu Valley’ published by Department of Mines and Geology and find out whether the house is located in hazardous area or not.

Another suggestion is that try to find out the city development plan of Kathmandu Valley so that you can locate your house in desired land type, for eg. if you want to buy a house near by the proposed second ringroad, you need to find out what is the plan for this road development. My last suggestion is that if you can buy a house built in land gently sloping towards south that will be helpful to catch more sun light.