Those alterations included refacing the exterior in brick veneer, which has been painted. The latter's renovations likely involved the refacing of the "mihrab" with marble. Late medieval and C17 with modern refacing and additions. A limestone refacing occurred at the same time. Daniell was one of the foremost opponents of the proposed refacing. The refacing work was handled by Alexander Black, then Superintendent of Works for the school. Refacing of the servants quarters, possibly by John Verge, took place sometime around 1833.