No, actually not. I'm trying to decide between the place I stayed last year (Capt. Bligh House), where I was very happy, and No. 63, Soroptimist's (recommended by Swan on this forum). No. 63 is a bit cheaper and within walking distance of Paddington. However, at Capt. Bligh, I had a kitchenette (they are all self-catering flats). With No. 63, the room is smaller, there's no kitchenette but there's a common dining area and a lounge, where, as a solo traveler, I might meet people to chat with.
While I really enjoyed traveling solo, there were moments when I did feel lonely. Luckily, I met up with a pen pal for tea, went on a day tour of the Cotswolds, and Skyped with my husband every couple of days. It did seem strange to only be talking to store employees, for e.g. Maybe I was a bit too cautious about being alone in the city.
I have thought about Airbnb, HomeAway, etc., but am afraid, again, that I would be quite lonely.
Regarding flight times, last year I left at 1 p.m. (actually we were delayed till 3). That was plenty early for me. NOT a morning person here!