A number of the restaurants listed on the Where To Eat London page, including Vantra, 222 Veggie Vegan and Mildreds, offer a local meal delivery service via Deliveroo
Shambhus vegan caterers deliver food to order around London. See their webpage for more details.
Want food to cook at home? There is now a vegan company offering plant-based food for delivery throughout the UK. You order a box of 6 ready-prepared frozen vegan meals - each meal is for 2 people - Full Details on Allplants Website
Like cooking? Well maybe Vegan Apron are for you. They offer a vegan recipe box scheme whereby you order the ingredients and they send them to you with a recipe http://veganapron.com/