Selina Camden Shared or private room in hostel above a vegan restaurant PowerPlant which offers vegan breakfasts. Located between Camden Town and Chalk Farm. Lots of vegan eateries within walking distance. https://www.selina.com/uk/camden
La Suite West 41-51 Inverness Terrace, London, W2 3JN This is a hotel located in the Bayswater area, and near Hyde Park. They have a vegan restaurant on the premises Cafe Forty One (CURRENTLY CLOSED), have a vegan breakfast menu, and can offer vegan-friendly bedding .www.lasuitewest.com
Rooms to Let / Flat shares
If you are looking for a room to share or rent, or have a room to offer, then the following sites may be helpful:
NOTENOTE: For those not able to stay at a vegan friendly B&B, the Gallery Cafe in Bethnal Green, and Black Cat Cafe and Lele's in Hackney/Clapton are all vegan and offer a full English vegan breakfast, Also, one can get vegan breakfast pots from Pret A Manger and other central London locations