Regular window size 4width X 4 height floor to window sill 3' kitchen window size 4 width X 3 height floor to window sill 4' if low sill means stove burner of due to air

Ardhendu, It depends on the overall size of the property and also the location. 12x12 could be ok as the guest room but it may be called smaller when it's a master bed room. Thanks, Nitin Cornerstone Designs, Bangalore.

Hi Shivam, I hope you are doing good. There is no particular tile size that may look good as it completely depend kind of design you have in your perspective. If you are looking at more traditional interiors then generally smaller tiles with motifs or emblems look good which have a representative geometrical or floral patterns. If you are looking at more modern interiors then generally bigger tile sizes are preferred for clean look less joints.  Regards, deSigneR

Please feel free to connect