Very low hot water pressure in bathroom

[Panadax]

Hello.

I just moved into brand new one bed flat. Hot water pressure in kitchen is the way it should be..
In bathroom though it's pathetic..
After connecting new mixer taps water pressure in shower is lower than in electric shower which is absolutely shocking.
I noticed that there is a thermostat fitted under a bath.
Could it be responsible for low pressure ?
Could I just disconnect it ?

 

[Wayners]

A thermostatic mixer valve wil lower the water pressure.
We call them blenders at work. They want to remove them all but it's a problem in some areas like disabled toilets.
We are have water pressure problems.