Active job

Leaking shower - repair or replacement required

We’ve got a leak from the shower that looks to be at the join between the wall and floor in the corner. A plumber has ruled out plumbing issues, and we suspect it may to do with the lining. Some damage is visible outside the shower on the lino indicating dampness. Photos attached of the shower and the leak, which is situated to the bottom right of the shower view in the photos. We are interested in quotes to both repair this issue, or replace the shower. The shower is smaller than standard - with the base measuring 80cm from the wall and the frame sitting just inside that.