It's about £2000 per term - the holidays are free of charge. My daughter is in her second year. She was in a different flat/building last year - this year she's sharing with 7 friends

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The accommodation company (managing the halls in behalf of the university) offered a number of incentives if you signed for the second year, e.g. 12, months gym membership, £100 worth of food, prepaid laundry card.
It's all on the campus so no traveling costs and it's got onsite management and security. There is also a cinema room, games room, study room etc