You can use natural stone like marble for floor but do not use granite for floor at all as it is very slippery when wet. As for tiles do not go for glazed vitrified tiles for the floor for the same reason. ( floor becomes slippery once wet and may cause mishap) Go for ceramic anti skid tiles that are specially meant for bathroom floor. For wall tiles you can use whatever you like and then decide over the matching anti skid floor tile/ marble. Double charged vitrified tiles are usually used for flooring in rest of the house.

Ok. in that case please let the area dry in summer. It is very important. Remove the area mould completely with power washer and bleach. Do it for 2-3 times. Do cover the area with " Damp proof " smart care solution and then use "Ultima Protek paint" . The products mentioned above are from Asian paints . I am not aware if similar products are available in other brands. Please use your discretion. Thanks Nitin Cornerstone Designs Bangalore.

Sudhakar You need to give a skim coat plaster of 4mm,. then put tiles Please check with Myk laticrete (chemicals)

Our contractors have used cement look grey matte tiles for one of the small guest bathrooms - without consideration of the amount of natural light coming in, which is very low. Makes the bathroom look small and dingy rather than rugged and industrial as expected. I have seen a few videos of people DIYing abroad, painting over bathroom tiles to brighten it up. Can it be done in India? Which type of paint would be ideal for this project? They are matte, stone/cement look smooth 1200x600 tiles with minimal grouting.