Wiki

Direction. Use the compass. South-west is the best in Tokyo. However in Hyogo it usally get cloudy in the afternoon, so slightly east facing maybe better. The best is to have both east and west facing window.

Sunlight Check how much sky you can see from the window. Check if there is sunlight in the morning.

Outside View Stand inside the room, look outside. Could yoou see good scenary? Or just the ugly wall of building nearby?

Window size Not too tall

Room. Al least two rooms. 6-cho size is the best.

Roof Height. Not too high.

Storage. Should have enough storage. Best if have hanger. Very important.

Shop accessibility. Cheap supermarket, Bento-ya, Drug store, Uniqo, Stationary/Book store.

Running Spot. Sanppo spot. Park. Should have people there, especially in the evening

Latest Train from downtown. No earlier than 00:00.