Guest Room = Study / Library & its bath = powder bath w/ larger Study storage closet. Open Kid's Nook, Laundry, Safe Room into 1 large Utility Room. Keep Bath, but w/ hall access. Bedrooms could be smaller w/ Jack & Jill Bathroom.
Love the entire left side of this house and how it's all dedicated to the master bed/bath/closet! Don't like walking into the laundry. I LOVE the extra space under the stairs though, great for seasonal decoration storage!