Our stay at Baharak's was great. We were really only there to shower and sleep, and it served that purpose beautifully. Baharak's room has plenty of space for two people, and she even provided us with a plug adapter which was really helpful. The flat is very accessible with the Tube ( you can use either Liverpool Street or Aldgate).
The bed was comfortable and definitely big enough for two. The whole flat shares a shower, but there are two toilets and we never had to wait for anything. The living room is also extremely comfortable.
The only thing I would warn people about is that Baharak is pretty specific about the way she wants things, and you'll almost certainly be in frequent contact with her pre-check-in. If you want zero host interaction, this isn't the airbnb for you. That being said, it all ended up fine, the instructions were helpful in navigating the shared space, and Baharak agreed to let us drop our bags off as soon as we reached London-even if the guest before us hadn't left yet.
Baharak rents out her room while she's traveling, so we didn't actually meet her, but her roommates (J & F) took great care of us. J helped us with check-in (and even let us check-in early) and F was super easy to talk to and gave us the amazing recommendation to check out Brick Lane Market on a Sunday. (She was totally right. You should do it too). Also, Brick Lane and the Tower of London/Tower Bridge are both walking distance from the flat.
I'd definitely recommend staying here if you're looking for affordable accommodation in London.