There is no annual charge to participate in the CSN although there may be a charge to transfer shares out of the CSN; this is generally £10 (plus VAT) per transaction.
Details of charges can be obtained by calling:
0871 384 2030
and asking for a copy of the terms & conditions.
Calls to this number are charged at 8p per minute from a BT landline. Other telephony provider costs may vary.