Have just bought a 40yo house with unit under. The floor boards creak etc. so bad, the windows and light fittings rattle in the unit underneath. People upstairs are just walking normally, but it sounds as if they are stamping and jumping. Cannot access floorboards from underneath. They creak everywhere - with each step.
Also, any ideas on how to further noise proof the unit?
Also, any ideas on how to further noise proof the unit?