To answer a couple of earlier questions;
" Sear, not sure if that is a variant of Sarah."
Yes it is.
Looked at actual image of 1851/Census
1851 Thos Hill age 2 (1849) born Northolt, Middlesex, is down as Daniel/Charlottes Son*
(As Charlotte is 55 not likely)
They are living at 2 College Cottages, Chelsea.
1861 Census
1 Eden Place, Chelsea
Daniel HALL, 70, Head, Mar, Labourer on Roads, born Thames Sheer (Street), London
Charlotte Hall, 65, Wife, Mar, Laundress, born Hillington (Hillingdon), Middlesex
Sarah Goodchild, 24, Daug, Mar, Laundress, born Chelsea
Joseph Goodchild, 3, Grandson, born Chelsea
Sarah Goodchild, 1, Granddaug, born Chelsea
Thomas HILL, 12, Grandson, born Northold, Middlesex**
I then cant find Thomas until 1901 Census;
Thomas Hill, 52, Head, Mar General Labourer, born Northolt, Middlesex
Elizabeth Hill, 48, Wife, Mar, born Deptford, London
Walter Hill, 19, Son, General Labourer, born Deptford