In London, accommodation is another very expensive thing. You would pay about 40 pounds a week for one room. If you want to rent a one-bedroom flat, it will cost more. You would generally pay about 200 pounds per week for it.
A telephone call to another London number costs 50p and posting a letter costs 40p.
A loaf of bread is 40p; a bottle of beer is 1 pound 50.
Very few international students will have their own washing machines so it is likely that you will have to do your washing at a launderette, which is a place where washing machines are provided for the general public. Here are some prices for the use of a washing machine. It's 2 pounds 50 for using a large washing machine and 1 pound 80 for using a small one. You have to pay 1 pound 50 for using a tumble drier, about 2 pounds 40 for a medium-sized packet of washing powder.