Hi was this one of the Emily's that was discounted, as this road I know well and it is on the border of Chingford which is in Essex:-
1881 Census
Henry Wicks 47 occ Labourer Brewhouse
Hannah 44
Emily E 9
All born Hatfield, Hertfordshire
Residing at Sewardstone Street, Waltham Abbey, AKA Waltham Holy Cross (Essex)
Census Ref RG11/1396/52/29
Keyboard86
PS Sewardstone Street, is now Sewardstone Road E4