Professional female seeking for a room in a shared

I am a professional aged 37 looking for a single or double room with walk in shower/shower room. I am looking for either a ground floor or first floor. I am available to move soon have a budget upto £750 pm. I would like to share with males and females of any age. I want a place near Colchester General hospital. I am friendly, clean and tidy. I work as a social worker for EPUT NHS 5 days a week.
I need own room not shared bedroom room. Not bunk beds
Preferably near colchester General hospital. Looking for a good storage including somewhere to store my suitcases.
Preferably walking distance to Colchester North Station.
Walk-in high power shower.
Severe allergy issue to plants, grass and trees.
Also allergy to cigarette and Vapping I would need a non smoking non-vaping place.
Not electric shower because I use a filter shower head due to skin issue if I used hard water for shower.
Ground floor room or one with a lift if it is a flat.