I grew up around this area - it really is a gem of a place. The interior is so cool, with sort of organised clutter everywhere. They have a little garden and they serve food. Its not the best in the world, but the whole experience there is great.
Bulk Market is a zero-waste shop in the arches next to Hackney Central station. The shop offers a range of products such as fruits, vegetables, nuts and grains all free from any packages. Bring your own empty jars and reusable boxes.
Donlon Books is an atmospheric little bookstore on Broadway Market (in East London.) They sell rare art books, style publications, and homemade photography zines.