how cold you can get, how hungry you can get. i think there's real desperation. i think there's real panic. it is absolutely freezing. a bitterly cold wednesday night in south london. rosie and the outreach team from holy trinity church in clapham are hoping to spread warmth when there's not much around. we have a lot of people living locally who really struggle with being able to heat their homes and keep themselves warm. hello, sir. how are you doing? some don't have homes to heat. it could be so many different reasons why that has happened. and somebody is now in a situation of complete and utter crisis. just out inviting people to breakfast club. rosie and her team are part of the warm welcome campaign. how are you? i'm all right. 3,000 venues across the uk that are opening their doors as temperatures plunge. it's warm and you get some porridge, something hot.