National Re-Selling
As you declutter, you may come along some items that you would like to sell. This page lists some national (UK) re-sellers that you may find useful.
Clothing:
https://www.vintagecashcow.co.uk
H&M, Marks & Spencer and Zara all have recycling initiatives in-store.
To sell your wedding gown, try
CDs, DVDs and Books
Old Currency