Ok thanks all, time to bite the bullet then I guess. I did try and add a photo but it wouldnt let me?
The other wall of the shower is an external wall with the plaster applied to. Will this also need pulling down and boarding?
i57.photobucket.com/albums/g233/sigurney/2D91A00A-AE8C-45AE-9095-38018DEF9CE8-772-00000077B7E28D45_zps3cb3e97d.jpg
I tiled a bathroom this week infact where the customer didnt tell me they had lath and plaster walls ,they were concealed behind dot and dabbed plasterboard I only found out when i chopped back some making good he had done with my plasterers hammer to find out they were lath and plaster , The bathroom was 90% complete too , I finished the job and was paid but I did tell them that if I had of known I would not have tiled it