What it takes to give a Tribal class heavier torpedoes

How large would a Tribal-class destroyer need to be with dual-purpose guns and two quadruple 24.5-inch torpedo launchers?

Roughly 2,400 to 2,450 tons standard, because the torpedoes would require a longer and differently balanced hull as well as added weapon weight.

The L-class dual-purpose 4.7-inch mounting provides a plausible gun solution, but the heavy torpedo battery drives the redesign. Extra launcher length, hull form, machinery balance, and stability push the notional ship toward roughly 2,400 to 2,450 tons standard, about 600 tons above the starting point.