On 13 June 1995, the Singapore Prison Service (SPS) handed over the Clementi Drug Rehabilitation Centre building to Jamiyah Singapore for renovation to operate as halfway house known as Jamiyah Halfway House or Darul Islah.

The objective is to serve as a centre for rehabilitation of drug abusers to lead a new life before they are released and reintegrated back to the society.

On 17 August 1996, Darul Islah was officially opened by the Associate Professor Ho Peng Kee, Senior Parliamentary Secretary, Ministry of Law and Home Affairs. Other guests present included Mr Wong Hoi Kit, CEO SCORE, Mr Harun Ghani, former Political Secretary of Home Affairs, Mr Abu Bakar Maidin, former President of Jamiyah Singapore, Mr Ismail Alaudin and Mr Ridzwan Dzafir.

On 20 October 2010,  Jamiyah Singapore signed the Halfway House New Service Model (HSM) agreement with Singapore Prison Service and Singapore Corporation of Rehabilitative Enterprises (SCORE).  Under the new HSM agreement, Darul Islah is contracted a caseload of 60 residents per year.