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CIF boiler and heating success rate: 29.5% in May 2026

In the May 2026 outcomes, 142 boiler and heating bids were funded of 481 submitted, a 29.5% rate. Typical funded value: £250,000 to £1.2M..

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Headline

142 funded of 481 submitted. Funded rate: 29.5%. Typical funded value: £250,000 to £1.2M.

Evidence requirements

TM44 inspection report, age and efficiency data, heat-loss assessment.

Common rejection reasons

The boiler and heating cohort loses most points on thin condition surveys, photographic evidence that does not show defect-scale-context, and project-planning narratives that do not describe procurement and risk in DfE-compatible language.

Decarbonisation overlay

Boiler and heating bids often overlap PSDS. CIF funds condition-led replacement, PSDS funds decarbonisation uplift. See /energy-and-cif for the split.

Primary sources

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