As work continues behind the scenes on our large-scale project to upgrade the heating and electrical systems in the house, we invite you to step Behind the Stage and explore another side to the mansion at Plas Newydd. Discover more about the National Trusts largest conservation project in Wales, the events and the characters that changed the course of the houses history. See archives from the last major upheaval of its kind to the house during the 1930s. Find out more about the work we do today to protect the house and its collections. Experience created by award winning London-based architects vPPR and Twelve design. (Every day inside the house until 1 November 2020.). Booking Not Needed.