Wider view
Photo of the shower running if useful.
Use this guide to understand the symptom first, avoid making the problem messier, and prepare useful details only at the end if you still need help.
The aim is not to diagnose the plumbing fault from the sofa. It is to describe the visible pattern clearly and safely.
✓One shower problem is different from whole-home low pressure.
✓Hot-only pressure issues should be described separately from cold-only issues.
✓Limescale or blocked holes can affect the shower head.
Good photos show the fixture and access, not just a dark close-up of water.
Photo of the shower running if useful.
Close photo of shower head and controls.
Wider shower area photo if access is important.
Now send your Wolverhampton area, room, fixture, symptom, urgency and safe photos. Keep the message short but specific.