Homelessness in London? Watch before you come 🇬🇧

Walking the streets of London I noticed that there were alot of tents on the side of the streets and the road. Is this city so expensive that people resort to living in tents or is it just that there are a lot of beggars?
Also i tried some very delicious food from Ethopia Also i tried some very delicious food from Ethopia from this lady whose had this amazing street food shop for over ten years. visit her if you ever in the brixton area