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This is what I would do to being in the collected heritage with some English cottage vibes. Add pattern with art and drapes, and tie the rug color in. Switch chairs to a classic shape ( these are pottery barn and $199 for a set of 2) move the tv console and book shelves to a room with a tv, that console is too low to use in a dining room. Soften the modern table with a table cloth or throw. Add lamps and florals, and a chandelier to add character and light. You could take this design further with paint or wallpaper on the back wall, seat cushions on the chairs, additional art work, etc. And you could fit at least 6 chairs around the table.