 When the time came he was reluctant to hand over the property, and after an initial deadlock the Crown took control in 1223.Although contemporary Pipe Roll records of expenditure at Peveril survive, they do not specify how the money was spent.As a result, it is unclear what constitutes maintenance and what marks substantial construction work; however, Richard Eales, who wrote the 2006 English Heritage guidebook, suggests that there were two periods of building, when sums spent were larger than usual