Were the unfinished Lion-class hulls available for missile conversion?

When were the unfinished Lion-class battleship hulls broken up?

The date is recalled during the exchange as 1946, after an initial suggestion of about 1944.

The proposal to reuse Lion and Temeraire prompts a question about when their hulls were broken up. An initial recollection of about 1944 is corrected during the exchange to 1946. Their loss as available hulls limits the suggested postwar missile conversion.