Regarding timescales, see :
DWP Complaints process :
1. Complain to the office against which the complaint lies;
2. Complain to the District Manager;
3. Complain to the Chief Operating Officer (Chief Operating Officer,
Department for Work and Pensions, 6th Floor, Caxton House, Tothill Street, London SW1H 9NA;
4. Contact Independent Case Examiner (ICE)
5. Contact Parliamentary and Health Service Ombudsman.
At stages 1-3 the procedure specifies that the JC should reply within 15 working days.
If no response is given by the 15 day deadline move on to the next stage.
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Complaining to The DWP bro58