Some of the cheapest places you can find with a central Valletta location. Very safe for a solo female traveller and good for remote working as well, the wifi is relatively fast and plenty of cafes/restaurants nearby.
Was worried about the noise looking from other reviews, but in the winter months the restaurant downstairs close quite early so it didn't bother me. Although obviously it's an old building refurbished, so you can hear the horns of cars and people chatting.