Statutory guidance: SR2024 No 2: using unbound incinerator bottom ash aggregate in construction
Summary
The Environment Agency has published statutory guidance for standard rules SR2024 No 2 covering the use of unbound incinerator bottom ash aggregate (IBAA) in construction as part of a recovery operation. The update also notes permit charges, annual subsistence fees, and clarifies environmental restrictions, including a 50-metre buffer from protected species or habitats considered at risk.
Why it matters
Surveyors may encounter this material in site assessments, redevelopment schemes, or environmental due diligence where waste-derived aggregates are proposed. The guidance highlights permitting and ecological constraints that could affect project feasibility, site risk, and compliance checks.
Key points
- Standard rules apply to storage and subsequent use of unbound IBAA in construction as a recovery activity
- Applicants must meet environmental permit requirements and pay application and annual subsistence charges
- The guidance includes a 50-metre restriction near protected species or habitats at risk
- A waste code reference was corrected in the updated guidance
- The document is issued by the Environment Agency as statutory guidance
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