If the answer to most or all of the above implies that having a vacation home is no longer appropriate, it's clearly time to sell.
The strategy is no longer appropriate, if it ever was.
However, by the 1920s, the city leaders decided the site was no longer appropriate for their needs.
By August 1936 it was no longer appropriate to talk of a coup.
This symbol of failure was later deemed no longer appropriate.
The present European agricultural policy is no longer appropriate to our times.
It is no longer appropriate for the Council to keep taking most of its decisions behind closed doors.
It is no longer appropriate to the times to portray European union only from a national perspective.
The freeze on production in Europe is no longer appropriate, as you pointed out.
It was no longer appropriate to continue the operations to this part of France.