A.
This is a common problem in blocks of flats. Firstly, knock on your neighbour’s door to let them know. If it’s a leak from one of their appliances or their pipework, they will need to fix this. If your neighbour is uncooperative, alert your managing agent or landlord, as they should be able to assist. If any of your belongings or your property is damaged, you may be able to make a claim on your contents insurance or the landlord’s buildings policy.