Who's responsbility is it in this case,
Recently renovated a property, no termite damage at the time,
Just because you didn't find the termite at the time of the reno does not mean that they weren't present at the time. I have seen pieces of 4x2 that looked perfect from the outside but were riddled with termites.
over the past couple of months, they decide to sillyly bring logs into the house and now there is clear termite damage in the walls in that area