In 1835 he was appointed one of the first members of the ecclesiastical commission. In 1838 he was offered the renewal of the Harcourt peerage, but declined it, not wishing to be fettered in his parliamentary votes. York Minster twice suffered fires during his primacy, 1829 and 1841, and he contributed largely to both restorations. Archbishop Harcourt preached his valedictory sermon in York Minster on 13 November 1838. However Harcourt continued to enjoy good health, and as late as 1 November 1847 visited York and inspected the repairs of the chapterhouse. He died at the palace, Bishopthorpe, near York, on 5 November 1847, and was buried at Stanton Harcourt, Oxfordshire, 13 November