Ceramic as a material is notoriously sharp when it brakes, creating a higher risk than most of the construction industry of cuts and grazes to hands. Additionally, when a tile is being snapped or cut, sharp pieces of ceramic can be ejected that pose a the hazard of strike wounds to the eyes and face.
Falls from height usually involving step ladders, toolboxes or hop-ups are a common accident as well as same level slips, trips and falls, particularly if the floor area becomes wet.
Electric shocks if work is carried out without isolating the supply are a high risk factor, and even if a supply has been isolated, cables may come loose when fitting tiles behind switches and sockets.
Manual handling, repetitive work and working in a confined space can cause musculoskeletal injuries and occupational hazards such as getting tile adhesive in the skin can cause diseases such as dermatitis.
Accidental asbestos disturbance is always a risk in properties constructed before 2000 and can cause cancer and other diseases.