Welcome to south london gas and heatingwe offer a professional, reliable response for all your heating and plumbing needs.booking us takes minutes call or text to book.all our... Some plumbing issues just can not wait that’s why we offer emergency plumbing services. New boilers save money! a new a+ rated boiler could save you up to £* a year! We offer finance options for all our services. Our expert heating specialists will be able to find the best baxi boiler for you today.