What you dont see are the metal shutters in certain archways which could be wound down to seperate male / female areas in the old days

That is definately not a seclusion room.
The door is too flimsy, the lock is wrong and the window toooo big

ECT is still used

When I started work there in '82, there had not been padded rooms for years
This is a classical seclusion room exterior, the inside would look likeone of the earlier 'narrow room' photos
Impulse - spot on

Sarah is right EP stands for epileptic
Most wards had morethan 18 - more than likely a top floor ward
You're right Lynne seen it plenty, even in high secure

I worked there. The window door says seclusion room, but I can't remember a radiator in one