The aim of this substantive study is to recruit people experiencing significant depression, and to include both those already receiving NHS support as well as those who are not. We will include both those with clinically diagnosed major depression as well as those with significantly raised mood scores. We will describe the population in detail in terms of mood severity and clinical diagnosis. The study will assess the effectiveness of LLTTF in reducing symptoms of depression and anxiety and in improving social functioning. Effectiveness will be measured using standardized outcome measures that address a broad range of outcomes. The cost effectiveness of this intervention will also be investigated using the CSRI [27] to estimate personal and healthcare costs and the EuroQuol EQ5D [28] as a measure of quality of life.