Establishing Social Connections in Urban Areas: Evaluating a Community-based Programme

Inclusion Criteria: * Age 20-40 * Reside in London * Reports that they are some of the time or often lonely in response to a single questionnaire item ("How often do you feel lonely?) * No prior interaction with the community-based intervention we are investigating * Able to communicate in English sufficiently well to engage in qualitative interviews and complete the outcome measures and questionnaires. * Available and willing to participate in the study for 18 weeks Exclusion Criteria: * Age \< 20 or age \>40. * Resides outside of London. * Does not report frequent levels of loneliness ("hardly ever or never" in response to single questionnaire item). * Previously attended any event or is an existing member of the community-based programme that is forming the intervention arm. * Unable to communicate even with communication support. * Planned unavailability for \>3 weeks during intervention and follow up periods. * Participating in another research project related to loneliness. * Reports current severe unstable health problems (mental or physical) or is deemed overburdened with respect to participating in research.