 Following their review of parliamentary representation in Cambridgeshire in 2005 , the Boundary Commission for England made minor alterations to the existing constituencies to deal with population changes . The electoral wards used to create the modified Peterborough constituency fought at the 2010 general election are : Bretton North , Bretton South , Central , Dogsthorpe , East , Eye and Thorney , Newborough , North , Park , Paston , Ravensthorpe , Walton , Werrington North , Werrington South , and West . These changes increased the electorate from 64 @,@ 893 to 70 @,@ 640 . On the enumeration date of 17 February 2000 , the electoral quota for England was 69 @,@ 934 voters per constituency . 
