the best suggestion would be to contact a design professional or a cabinet company to assist you, as a project of this nature could take hours to design and refine and then the production time for the design needs to be over seen by a knowledgable person good luck....this is a for pay type of design issue

The best way to make a small space look larger is to avoid the tendency to add in too much furniture, or make it too large-scale. You need pieces that offer you enough seating, but with smaller profiles in both your living and dining space. Look for multi-functional pieces with storage, keep the wall color the same in areas that flow together, and use the walls for vertical storage and display instead of relying only on freestanding pieces. Look for furniture retailers that advertise "apartment size furniture," and see Houzz Photos under "small space living" and "vertical storage? for ideas. You can use art, an area rug or similar to decide your color scheme. Your apartment really isn't that small, fortunately, by big-city standards.

Better to opt for L-shape sofa for the above position.. Bedroom appears to have occupied more space than living room. If it's already finished,. you may have to opt for compact furniture,.. Or reduce the size of bedroom first; then proper living/dining arrangements can be done.

If your living room on a separate area so you can place a furniture in 2 ways ( 1st is Modern sofa & Table ) 2nd is Traditional Look Sofa & table & If your living room is near by kitchen or a Hall type area you can place sofa set with table & Dining table for 6 people's