Could this be them in 1851, although it says Charles born Battersea
piece 1499 folio 136 page 23
3 Felix Place, Islington
Charlotte Leech Head Widow 61 Laundress, born Oxfordshire
Charles Webb Son Unmarried 24 Plasterer Surrey Battersea
Eliza Webb Daur 18 Midx Marylebone
+ visitors
Marriage, 17 July 1842 at St Pancras
John Leech, widower + Charlotte Webb, widow, father John Richins (or Rickins?)
Marriage possibilty, 6 October 1816, Paddington
Thomas Webb + Charlotte Richens