Thanks a lot for the replies. Sorry for the late reply.
To answer the questions:
We noticed it after about 6 months of using it. The wall behind is all brick. They removed the old tiles and put new ones on. Window sill was back to the original brickwork I believe so I don't there isnt any...
Hi all. Hope this is the right place to post this.
We had our bathroom done last year and over time we noticed that water was getting underneath the tiles on the window sill. The window sill is above a bath which has a shower so it gets quite wet after use. We're pretty good at cleaning off but...