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Elevation is Like Paid one so...If you help than Many Alternative Elevations are possible

You don't need such a large double height ceiling for a small house, half of that size will do or remove it completely since you do have setbacks. You can remove the bedroom balcony and pantry which will end by being underutilized. Move bedroom toilet to where the balcony is or where the wardrobe is. Convert the family room to another bedroom. The double height space and current toilet of M. bed would then be your family hall

have your dining near the kitchen as it's better for accessibility. TV should not be opposite any window to avoid glare. keep the tv in the center and living room around it. Do not divide the space with a divider since these days the trend is to have open floor plan. If you divide then the space will look small.