Sarah Castle is an architect and co-founder of IF_DO, an urban design studio based in London and Manchester. Today, they are one of the most interesting firms on the international architecture scene, especially for the positive impact of their projects on local communities.

The Brent Cross South Station —an electrical substation transformed into the largest piece of public art in the UK— is their manifesto project. This vibrant and impactful landmark seamlessly integrates urban beauty, ecology, and identity, setting a new standard for transformative architecture.