It was a great find by you in the first place, Millie.
Looking at the 1860 entry in the Mile End Old Town inward removals register, I thought it might say that Charles' mother was in Storer Street. But then had trouble finding such a street. In any case they were living in Camberwell in 1861, and presumably Charles was in 1860.
However, they must have been in MEOT at some time.
Looking in 1841, could this be them in MEOT/Stepney (free info from FamilySearch)
Says address is Storer Street!
Ann Lester 35
Charles Lester 15
Joshua Lester 8
https://www.familysearch.org/ark:/61903/1:1:MQV8-124Didn't Charles and Grace have a son called Joshua?