Rising levels of homelessness across Europe and the United Kingdom persist despite substantial public expenditure on emergency accommodation, healthcare, policing, and crisis-response services. Although prevention-oriented interventions have repeatedly demonstrated superior cost-effectiveness and improved human outcomes, structural political, fiscal, and governance constraints continue to bias public systems toward reactive crisis spending rather than upstream stability. This working paper introduces the Stability Credit Framework (SCF), a results-based financing model designed to support housing stability through standardised outcome measurement, independent verification, ethical inclusion safeguards, and capped, impact-linked returns. The Framework translates prevention into a measurable and accountable unit—one month of verified housing stability—addressing the structural “cross-silo” problem in which prevention savings accrue across multiple public budgets while spending decisions remain institutionally fragmented. It is acknowledged that several interventions are, in principle, more immediately deployable than the Stability Credit Framework, including expanded emergency rental assistance, right-to-counsel in eviction proceedings, and direct cash transfers to households at risk of displacement. These measures are well evidenced, administratively simple, and demonstrably effective where political conditions permit their large-scale implementation. However, in policy environments characterised by fiscal conservatism, performance-accountability requirements, cross-departmental budget silos, and ideological resistance to direct provision, such interventions are frequently blocked or persistently under-scaled. Within these constrained contexts, the Stability Credit Framework represents the most politically viable prevention architecture currently available: one that translates housing stability into a verified, auditable outcome capable of attracting preventative investment while retaining ethical safeguards, capped returns, and public accountability. The SCF is therefore positioned not as an optimal solution in absolute terms, but as a sophisticated second-best mechanism for materially reducing homelessness where simpler, more direct measures remain politically infeasible. The Framework is explicitly intended to function as a bridge rather than a substitute for more fundamental housing reforms. By demonstrating that prevention can be measured, verified, and fiscally justified within existing governance constraints, the SCF seeks to reduce institutional resistance to upstream intervention and to create the conditions under which more direct, universal, and structural housing solutions may later become politically attainable. Building on established evidence from Housing First research, prevention economics, and governance theory, the paper identifies and directly addresses documented limitations of existing outcome-based financing models, including Social Impact Bonds. These limitations include participant cherry-picking, opaque incentive structures, high administrative and legal overheads, and weak public accountability. The paper presents: A detailed conceptual and operational architecture for the Stability Credit Framework An empirically grounded six-month stability maturation threshold Mandatory inclusion safeguards for households with complex needs Anti-gaming mechanisms and integrity controls A transparent, non-profit governance model A fully costed pilot design applicable to municipalities such as Manchester or Bratislava A mixed-methods evaluation framework is outlined, combining quantitative stability and cost-avoidance metrics with qualitative wellbeing and lived-experience indicators. Conservative modelling demonstrates substantial public-sector value, with the majority of savings retained by public authorities and investor returns capped at ethically appropriate levels. This record also includes a supplementary paper, The Stability-to-Supply Ratchet, which extends the Stability Credit Framework by introducing a rules-based escalation mechanism that automatically converts verified prevention savings into ring-fenced capital investment for non-market housing supply. Together, the papers present a transition architecture designed to overcome the structural barrier that prevents successful prevention pilots from translating into durable housing expansion. This document is released as a policy-grade technical reference intended to support informed discussion, evaluation, and pilot implementation. A condensed think-piece version is under peer review. The full technical working paper and supplementary materials are published in parallel due to the accelerating severity of homelessness across Europe and the need for immediately usable policy architecture. Footnote:The executive summary is provided as the preview document for accessibility. A full technical working paper and supplementary materials are available within the same record. This research is produced independently under the Drive-In s.r.o. research programme.Readers who wish to support its continuation may do so here: https://ko-fi.com/johnryder99892

This working paper presents the Stability Credit Framework (SCF), a results-based financing model designed to support housing stability and homelessness prevention. The Framework introduces a standardised outcome unit—one month of verified stable accommodation—paired with independent verification, ethical inclusion safeguards, and capped impact-linked returns. Drawing on established evidence from Housing First and prevention economics, the paper addresses documented limitations of Social Impact Bonds and outlines a fully costed pilot model for municipal implementation.