Noise impact assessments involving calculations or modelling
Summary
The Environment Agency has updated guidance on the information required for noise impact assessments that use computer modelling or spreadsheet calculations. The guidance sets out detailed submission requirements for site, plant, building, barrier, terrain and receptor data, and notes that incomplete applications may be delayed.
Why it matters
Surveyors involved in environmental permitting, development support or technical due diligence may need to ensure noise modelling submissions are complete and correctly formatted. The guidance also clarifies the geographic scope and file-format expectations, which can affect application timelines and compliance.
Key points
- Applies to noise impact assessments using modelling or spreadsheet calculations
- Requires detailed site and receptor information, including 1 metre resolution National Grid references
- Modelling files should be submitted in original software format and, where possible, QSI data exchange format
- Terrain data should be incorporated into the model; separate copyrighted terrain files should not be submitted
- Incomplete submissions may delay Environment Agency processing
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