Wendy - Could this be the family you are looking for? 1881 census, 18 New Rowsell Street, Mile End Old Town:
Walter Ablett (head) age 32 occ Nail Moulder born Greenwich
Elizabeth Ablett (wife) age 28 born St Georges in East
Walter F Ablett (son) age 8 born Mile End
Arthur J Ablett (son) age 4 born Limehouse
Ernest C Ablett (son) age 2 born Limehouse
Beatrice A Ablett (dau) age 6 months born Limehouse
The reference is RG11 Piece 487 Folio 99 page 57 sch 313
Steve