We used to take Stout out straight away after he had an accident, without saying anything/making a fuss. Try to clear it up while he is not in the room.
We also used to make a note of whenever we took him out and if he had an accident, we then got to know his 'pattern' of poos and wees and we could preempt him needing to go.
That's good to know as that's what we've been doing, taking him out into the garden when he's had an accident!! Thank you