Accommodation Address The charge for the Telephone Answering and Accommodation Address Services is £35 per month payable monthly/quarterly in advance. Outgoing telephone and postage costs are invoiced in arrears. One month's standing charge is held on deposit, and this is refundable against the last invoice. Outgoing telephone calls are charged at BT cost + 20%, plus VAT. Standard Registered Office address cost is £45 per month  . . . .