Rose and her husband were great hosts. I was nervous about staying with my parents in a basement space, but it was clean and comfortable with high ceilings that let in some natural light into both the living room and bedroom.
She supplies items for morning coffee or tea with a small fridge. I came up one evening to ask something and ended up having some grilled food and wine, and chatting with Rose and her husband for a while. It was nice to actually interact and converse with the hosts.
The flat is a 10 minute walk from 2 stations and 30 minutes into London. Tube system in London is great so no issues once on the train. (ps avoid Buck palace and Wagamama rest's)