I agree with Annbir - tell the school and they will be able to follow it up with the children appropriately, and keep a record of such reports so they can support all the children.
Hello We are just neighbouring in Wandsworth and our neighbours had to get planning permission to remove the chimney from the roof as it is structural. Saying that they didn’t consider the effect on the rooms which now all have severe damp issues for to no ventilation. Something to consider Good luck
