I'm pretty sure that I learned that the refusal of one partner to consummate the marriage was grounds for an annulment -- likely at some times and places the most common one.
I'm pretty sure that I learned that the refusal of one partner to consummate the marriage was grounds for an annulment An unconsummated marriage can be dissolved by the Church, even if it is not found to be null.
However, the unilateral refusal of one spouse to consummate the marriage would certainly be grounds for a finding of nullity even if that were not the case.