Remove and replace a free standing bath with a shower bath, fit tiles to make the shower wall and replace LVT floor with porcelain/ceramic tiles. Tiles and new shower bath would be provided

We are looking to refurbish a small bathroom (approx 1,85 x 1.47m) We would like to remove current tiles around bathtub area and antsilip, PVC flooring, current sink, toilet, and bath and tile the floor and part of the walls (around 2.8 sqm floor area and 168 cm x top of the bath to ceiling, so I would assume around 170 cm, but can measure that tomorrow), plus the sides, so another approx...

Just moved to this house last week from Dorset with excellent shower pressure We need to Increase the water flow in the shower it is very poor have bought a new shower head in the hope it will help but it didn’t I could pee quicker than it flows help