We raised concerns that government would not be able to make a compelling case for continued funding at the next Spending Review. The JCDU and departments need to demonstrate to HM Treasury the impact of the £900 million of funding during the first three years of the strategy. However, Dame Carol highlighted the need to strengthen the approach to evaluation, highlighting the lack of resources in the JCDU.16 The NAO’s report also found that the JCDU lacked adequate evaluation capacity.17 The JCDU told us that the NAO’s recommendations on evaluation were being used to shape the thinking on its approach to evaluation, and that an additional £1 million in funding had been allocated by HM Treasury to assess the impact of local drug partnerships.18