The Barbican Centre's two opportunities to get funded:

The Imagine Fund is aimed to support local people and Unincorporated Associations in the City of London to create projects that will bring people together, kickstart a new idea or have a go at something they’ve always wanted to try. Rolling deadline: first one is 10th Feb, last one is 15th Sep
https://www.barbican.org.uk/imagine-fund-2023

The Leytonstone Loves Film Fund is the new community fund supporting projects that celebrate the magic of the movies and how they help us connect. Deadline: 6th Feb
https://www.barbican.org.uk/leytonstone-loves-film-community-fund