It will be even happier days for someone when the Dry Rot eventually enters the picture and takes hold and spreads through your house - which it will.
If it spreads to your neighbour's then you will have to foot the costs of all their repair work. Happy days indeed.
not totally b/ollox.
but to er on the side of caution here.
if it was mine i would expose as much/afford as you can and spray all timbers in the area with a fungicidal chemical.for the sake of say another 50 quid.