Our sinks were built in, but their cabinets were low and bending hurt my back. I determined the cabinets could be raised by adding a horizontal board just above the place at bottom that is indented for your toes. It added about five inches, bringing the counters up to the height of our kitchen counters. The board was stained to match the cabinet and is right under where the cabinet doors open. The line of the board is hidden by a length of wood trim. This raising up did require adding pipe to the water lines under the sinks to fill the pipe gap; moving the very large mirrors (no breaks or chips!) upward and moving the lighting above the mirrors up, as well. Took one day of work by carpenter and helper. Well worth the cost.

Definitely grey! It's very on trend and you can match it with many colours if you wanted to add a splash of colour with accessories and towels etc.

Hi there. Not sure you will find a vanity unit that small, but I recently purchased this basin which has the dimensions you are looking for https://www.lussostone.com/stone-resin-basins-c2/lusso-stone-ethos-mini-solid-surface-stone-resin-wall-hung-basin-330-p162. It's lovely looking and, although small, very functional. I am enjoying having it in my shower room.

need ideas on new powder room layout,/design