Check out Freecycle (if you haven’t already)

Freecycle

Freecycle

Freecycle

The Freecycle Network™ is made up of 5,277 groups with 9,192,654 members around the world. It’s a grassroots and entirely nonprofit movement of people who are giving (and getting) stuff for free in their own towns. It’s all about reuse and keeping good stuff out of landfills. Each local group is moderated by local volunteers. Membership is free.

https://groups.freecycle.org/group/CityOfLondon/posts/all