Thanks Prince.
Found that the carpet in the room next door had become wet and, after lifting, found the floorboards in most of that room wet with the worst area being that where the shower was on the other side of the adjoining wall.
Threw out carpet and underlay and pulled off shower...
We had small shower room refurbished 6 months ago, with old electric shower cubicle ripped out and new shower (running off combi boiler) with new sink basin and toilet. New backerboard and shower area was installed and tiled and grouted.
Tiles on lower half of wall then runs round entire...
We had small shower room refurbished 6 months ago, with old electric shower cubicle ripped out and new shower (running off combi boiler) with new sink basin and toilet. New backerboard and shower area was installed and tiled and grouted.
Tiles on lower half of wall then runs round entire...