By placing the tv on the longest wall on left and placing the couch parallel facing the tv you may have room on the back of the couch to put a long table or preferably a chest with drawers..this would add always needed extra storage at the handy location at the bottom of the steps..this concept creates little rooms within a room and enhances the spaciousness of the open concept hall

I guess that you live in India so being an Indian probably I can give you out the best advice I think so, basically in India, we all keep the washing machine mainly in two areas that are- 1. In the courtyard 2. In the bathroom so you can keep in these two places as well also you must first that there is proper space in your house in these two areas and another important point is that you must keep it in mind of easily availability of water also because it will reduce your most of the effort in the long term so I think this answer may help you out and also for further more help related to the washing machine you must visit this amazing website of a washing machine expert. Visit it once

My verandah having ample space with roof above giving clear view of my small garden and main gate. Mesmerizing me to either read or play with my German Shephard dog who is always keen to play with keen attention on the main gate intriguing to pounce upon depicting his alertness to his duties.

Hi. Please contact us if you are keen on formal advice. From what little you have commented, I am inclined to imagine you are not up for a 15 bed house or resort. On the contrary you would be looking at more of a dormitory hostel for travellers with all amenities. There are several such hostels in Europe and US which I have used personally, so I can probably help design something similar. If you have unlimited land and budget of course you could build anything!