After the Disruption in the Church of Scotland in 1843, the house was bought by the new Free Church, a fact which may have strengthened belief in its association with Knox. It was condemned and due for demolition by the Town Council in 1849 but saved through the efforts of the pioneering urban conservationist Lord Cockburn. The building immediately adjacent on the west side of the house is Moubray House. Its owner Robert Moubray also happened to be the owner of the house in Warriston's Close where Knox lodged in the 1560s.