In April 1173, when there was a fire at the Kaya gosho palace in Hojyu-ji Temple, Shigemori quickly came to the scene to put out the fire and was then praised by Goshirakawa ("Kenshomonin Chunagon's Diary").
承安3年（1173年）4月、法住寺殿の萱御所の火災ではいち早く駆けつけて消火活動にあたり、後白河から称えられた（『建春門院中納言日記』）。