Outstanding opportunity to own this perfectly situated Beacon Hill flat overlooking the Boston Common complete with a guesthouse! This three-bedroom home offers a large front facing living & dining room with high ceilings, kitchen with high-end appliances, as well as a library with French doors that open above Beacon Street. The fireplaced primary suite offers custom built-ins and a large master bath with a glass shower enclosure. Additionally there is another bedroom with a full bath. The guesthouse is just through the patio and offers a kitchenette and tastefully updated full bath with skylights. All of this in an elevator building complete with a common roof deck.