Recently, a collection of Sir Henry's letters and drawings has come to light revealing a great deal about these buildings and gardens at Newton. One of the earliest is a builder's final account for the main construction work dated 5 November 1717. The resultant remodelling was very successful, as the Hall's handsome west front would show. During this remodelling it was decided to install new sash windows, something of a contemporary design statement. These were originally made in London and some were sent up to Newton, but after difficulties fixing them Sir Henry agreed to have local craftsmen do the