These are more visible if they contrast in color with the walls. Items stored between knee and eye level are easy to see and reach. Avoid tugging on large articles or climbing for things stored high up. Older people need more light than the young. Reading or high intensity lights may be necessary for reading, sewing and hobby work.
Good lighting decreases the chance of falls.
Living and bedroom windows that face south provide maximum winter sunshine. It should be possible to clean windows from the inside. At least one window in each room should be easily opened and large enough for easy escape in case of fire. Elderly people are sometimes unable to detect escaping gas. Many retirement housing options provide utilities as part of monthly rent.