The UK Spring Statement on March 26, 2026 will announce welfare and/or disability benefit cuts or eligibility restrictions formally projected to save £5bn or more annually, with PIP eligibility tightening and/or UC work-capability conditionality intensification as the primary mechanism.

Four independent frameworks converge on the same directional prediction (YES) with individual confidences of 0.82, 0.74, 0.82, and 0.76. Framework convergence at this level typically warrants an upward adjustment from the simple average (0.785) to approximately 0.84, accounting for the non-independent correlation structure (all frameworks share the fiscal rule as a common input). The prior briefing cycle — sustained media reporting of specific £5–7bn figures from DWP sources — constitutes pre-announcement evidence that further elevates probability. The base rate for welfare-specific consolidation announcements in UK Spring Statements since 2010 is approximately 0.78 (5/6 consolidation events included welfare-specific savings targets above £3bn). Bayesian update from base rate to 0.84 reflects the convergent framework evidence plus the specific institutional momentum of the briefing cycle. The key residual uncertainty is parliamentary arithmetic (Labour backbench rebellion) and the possibility that Reeves announces a £3–4.9bn package rather than clearing the £5bn threshold — which would technically falsify the prediction while confirming its directional thrust.