Margaret Hodge, the PAC's chairman, criticised the Treasury for failing to be more actively involved in reviewing the household's financial planning and management, including in the plans to maintain historical buildings.
A Treasury spokesman said: "The new arrangements established by the Sovereign Grant Act have made the royal finances more transparent than ever while providing the long term stability necessary for good planning.
The PAC's report has failed to properly account for these changes."
More top news
November may be on course to be being duller and wetter than average but it could turn out to be one of the warmest on record.
Paula Radcliffe has been cleared of any blood doping by world athletics' governing body the IAAF.
Strong winds and showers look set to hit the UK this weekend as wind speeds of up to 70mph are expected in parts of the UK.