I trust that you will appreciate that I have emphatically not at any time tried to put you/your friend off making contact with WA, Misowok.
In fact, I have suggested that you/she does so as soon as she's had opportunity to catch her breath, and it should be noted that a call to a police DV Unit is a shortcut to contact with a WA worker.
However, she may not be thinking in terms of refuge accomodation and may be under the impression she can start again, as it were, using your home as a base for the forseeable future.
In this event, you can reassure her that a call to the police/WA does not mean that she's going to be whisked away to a refuge immediately and there may be a wait before a place becomes available within easy travelling distance of your home so you can continue to support her face to face through visits rather than phone calls, as I've assumed this is what you would both prefer to happen.
Pending the introduction of housing benefit caps, already introduced for private housing, which will affect all forms of housing from April, it may be that the establishment your friend is currenty occupying is one which has been earmarked for closure if women's refuges, which are exceedingly costly to staff and maintain and which charge rent accordingly, are not made exempt from the new rules TIFFANY.
If this is the case it may be the reason why your friend would appear to be the sole occupant of a refuge, or it may be that insuffiicient staff are available to admit more residents.