This week the OH and I removed a bath and refitted a shower room for my (aging) parents.  They didnt want to spend a huge amount and we ended up getting it all from B&Q - the Cooke and Lewis Exuberance Rectangular shower encosure with single sliding door and the Cooke and Lewis Lagan shower tray. The quality was quite good for the price, IMO, and we followed the instructions (pictures only) to the letter.  We also followed @Nickfromwales's advice and used Sikaflex EBT to create an upsta