What was the Royal Navy's purpose-built counter to Sverdlov?

What would a purpose-built Royal Navy counter to Sverdlov have looked like, and how would it have been modernized?

Buccaneer was the counter developed; no separate hypothetical ship design or modernization program is proposed.

Buccaneer was the Royal Navy's dedicated counter to Sverdlov. The request for a hypothetical counter-design therefore leads to an aircraft already developed for the role. No separate ship layout or modernization program is proposed.