We stayed in Roman's place for two weeks as a couple. It was a 5-star stay.
The double room has a private bathroom and it also comes with several kitchen amenities -- which almost feels like having your own kitchenette in the room: A mini-fridge, a microwave, a Nespresso machine (and capsules), a kettle, and more. Plus, there's a Smart TV ready with Netflix and Amazon Prime (although I'd personally recommend you to visit the parks, riverside, and local pubs nearby during your stay here instead of watching TV.)
The room is on a different floor than the rest of the flat, so you feel like you're staying at your own place with full privacy.
The area is also very nice. Close to two different Underground stations and a different Overground station. (15-17 minutes walking distance to the Canada Water station, and 5-8 minutes to the other stations by bus). C10 and 381 buses take you to all the central places you'll need (including the London Bridge Station).
All in all, it was a great stay. Roman and his wife are super nice hosts and they make you feel at home. Thanks for a great stay.