Many thanks for those directions. I did find 1851, 1871 and now 1881 results. I had access to the library computers.
Could not - again! - find the 1841 Census. Tried as many tricks as possible but still no response from Ancestry, FindMyPast. Didn't have time to check FS
1841 there will be no Walter, but there should be:
Edwin Withers, b1805, perhaps: tea merchant?, tobocco?, twine? or rope?.
wife: Sarah
son William E age 3
dau Clara age 1
may have been living at Ravenhurst street. Not sure, that's part of what I would like to find out
Many thanks
David