Great stay at Helen's place.
The location was perfect, very accessible to the Bankside, where the top London locations are. Estate is nearby the two Vic theaters with lots of restaurants and bars within a few minutes walk.
Great transpo, 8 mins walk to Southwark tube, bus right outside the estate (that crosses to other side of the river and to Kings Cross).
Room was clean and cosy. Shared bathroom was very clean as well, with great shower.
Adorable cats, Mia and Troy.
Huge plus, I don't often find in private rooms within an apartment is it had a TV.
Only thing to note is that you couldn't lock the bedroom door from the inside (not quite sure if this is typical of London apartments as the other place I stayed in had the same issue.