Re: Rewiring an Old House
Removing the interor walls would be the ideal method and easier for the electricians ..... but the more costly and the most instrusive method. Likely you will find plumbing issues that would need to be addressed , besides if the walls were open you might as well redo the plumbing.
Once you start opening walls you are likely required to replace all the knob & tube which also means that all the wiring in the home will have to be brought up to modern codes.
Costs could range $10k - $20+ K ....depends.
"" an ounce of perception -- a pound of obscure "