Wyatt's original estimate for the work was £23,000, but the need to repair structural defects discovered during the work led to costs escalating to more than £61,000.
ワイアットの当初の見積もりは23,000ポンドだったが、作業中に発見された構造的欠陥の修復が必要となり、費用は64,000ポンドを超えた 。