thanks for asking mikey, PCWorld directed me to Samsung on the Isle of Dogs [East London], it was hard to find and no parking but I got there, very helpful young man called Jeremiah at Samsung, eventually they gave me a new charger and I sat with a cup of tea, there whist they charged my tablet to 50% and then I came home, no problems since. They told me in a few weeks they are moving to Surrey Quays [ South London] so perhaps it will be easier to find there, this time I eventually found parking in a scrap yard that charged a flat fee of £8 and then had to walk back to Samsung.