This excerpt taken from the ATVI 10-K filed Jun 14, 2007.
You will be provided with a housing allowance of up to £5,675.00 per month to include utilities. Such allowance will be based on your actual accommodation costs in the UK, and no cash will be paid to you should you secure less expensive accommodation. This allowance will apply from date you occupy permanent housing in the UK. The Company will pay any income tax due on this payment.