The Boundary Committee for England has also warned it has the power to force councils to provide it with information.
?These local government reviews will be resource-intensive for the councils concerned and require considerable planning,? committee guidance warns.
Although it is up to councils how much they do, the member and officer input required ?is likely to considerable and should not be underestimated?, it adds.
The committee recommends councils nominate lead officers to work with it, in agreement with adjoining councils.