I don’t know if this William has anything to do with the William Flood you are looking for
just posting because of this William's occupation on the 1861 census - haven't come across another William Flood with occupation Cheesemonger
This William born 1830 Kent and married 1855 Kent name on same page Maria Elizabeth SALMON
Flood children:-
William Coller b1857 Hoxton Middx
Thomas John b1861 West Ham
John J b1864 Stratford Essex
Sarah M b1866 Stratford Essex
1861 RG 9; Piece: 1057; Folio: 166; Page: 10
Romford Rd Upton Place 12
William T R Flood age 31 Chatham Kent
occ Grocer & CheesemongerWife Maria E, Children William C (Coller) & Thomas J (John
(in 1880 son William Coller occ Pawnbroker father William
occ. Grocer address
163 Fairfoot Rd married Mary Jane Godfrey)
1871 RG10; Piece: 571; Folio: 121; Page: 20
163 Fairfoot Road Williams
occ Grocer Porteradditions to family John J 7 & Sarah M age 5
1881 RG11; Piece: 497; Folio: 74; Page: 25
163 Fairfoot RdWilliams occ.
Warehouseman 1891 RG12; Piece: 1344; Folio: 36; Page: 29
42 Etchingham Rd
Wiiliam
occ Grocers Warehouseman & family
1901 RG13; Piece: 1612; Folio: 48; Page: 36
42 Etchingham Rd
Williams
occ Retired Grocer & family
don't know about old maps but todays route planner
http://www.rac.co.uk/route-planner/ shows
Fairfoot Road (London Borough of Tower Hamlet) is 1.7 miles on foot to
East Arbour Street, West Arbour Street & Arbour Square (London borough of Tower Hamlet) - if this is your man not exactly living close to each other
William Theophilus Roger FloodChristening Date: 27 Jan 1830 Chatham, Kent, England
Father
Thomas Flood Mother
Ann MaryWilliam Theophilus R Flood age 76
Date of Registration: Apr-May-Jun 1906
Registration District: St Olave Bermondsey
Volume: 1d Page: 92