Tenants of Wedgwood House, Aida Haile (left) and Kirsty Oliveira (right) (Picture: Nick Edwards for Metro) London has a ‘heat network trap’, forcing tenants into debts they will never be able to pay off. Tenants in Wedgwood House, which is just a 15 minute walk away from Westminster Bridge, have banded together to challenge Lambeth council after they saw bills jump by up to 350%. Except these residents do not have their own boilers and cannot control how much their homes are heated. Instead the entire building’s heating system is communal with a centralised boiler which produces the hot water and sends it to the radiators inside the 181 flats. Although this is a more eco-friendly way of producing warmth, it takes away the tenant’s choice, leaving them screwing the radiators tightly off – e