Landlords responsibility after flooding in rented home? uk!?

2 days before xmas, a pipe in my loft burst and water leaked to all rooms, ceilings hanging down walls destroyed and carpets soaked. i went to estate agents n told on my own were closing so i contacted landlord straight away and got directions on being able to turn water off to house. after a few hours water stopped dripping in most rooms apart from where actually burst pipe was. plumber couldnt attend till next morning so ad to stay away as damage that bad. next day plumber said like a swimming pool up there you cant stay here as ceilings are to unsafe. electrics (lights) are still not working right upstairs lights wont go off need to turn off at fuse in electric box. and all our beds, furniture, clothes destroyed. xmas eve joiner came round to put wood boards on ceiling to try n make secure - i then took it on myself to try and get house as dry as quickly as poss. vax all carpets windows open heating on full - no help from landlord - week later still staying on a friends floor as no one coming till tues. i had a fone call from estate agents demanding i pay rent. explained cost of travelling to and throw, heating up hoome etc do i not get any help with this, was told not there problem should not have made that decision myself, explained i cant live there everything i own has bin destroyed im trying my best to try and sort this. what i want to know surely all this drying and sorting should not be my responsibility - am i wrong in thinking i should have some le way with rent if 1 i cant live there, 2 ive put neally 100 hundred pound on gas as its a meter and eats like you wouldnt believe. to try and dry the property as quickly as poss. feel i am def gettin a short straw here. even next week when joiners in i still cant live there as all ceilings being pulled down. i have a 5 yr old dont trust him not getting ill with all smell n debris thats fell. not only that we have nothing to sleep sit on!! what would you advise thankyou in advance