The staying place can be made more beautiful and useful by applying the principles of interior design while furnishing the house. Before starting with the plan, one has to set aside the funds intended for furnishing so as not to exceed the budget. The occupants, life style, number of members in the family, their years of intended stay are decisive factors while doing interior designing. The space inside each room and the type of room influences the designing. Professional interior designers are there who specialize in residential and commercial buildings. Redesigning of rented or leased buildings enables the occupant to live to their pleasure.