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Industry & PolicyUpdated guidance 2024 · GOV.UK · Environment Agency

Classifying Waste Using European Waste Catalogue Codes — Construction Sites

Correct EWC code assignment is a legal requirement and a BREEAM necessity. Misclassification can trigger higher landfill tax rates and duty of care failures.

Analysis

The European Waste Catalogue (EWC) provides a standardised classification system for all regulated waste. Every controlled waste movement in England must be accompanied by the correct EWC code — a six-digit identifier describing the waste type and its source. On construction sites this matters for three reasons: BREEAM Wst01 requires EWC codes on every movement record; incorrect classification can trigger the wrong landfill tax rate (standard vs. lower); and misclassifying hazardous waste as non-hazardous is a criminal offence. Common construction EWC codes include 17 01 07 for mixed construction materials, 17 02 01 for timber, and 17 04 05 for iron and steel. Getting these right at point of collection — not retrospectively — is essential.

Key points

  • EWC codes are a six-digit classification required on every waste transfer note
  • Incorrect EWC codes can trigger wrong landfill tax rates — HMRC exposure
  • Misclassifying hazardous waste as non-hazardous is a criminal offence
  • BREEAM Wst01 requires EWC code on every movement record for evidence
  • Common codes: 17 01 07 (mixed C&D), 17 02 01 (timber), 17 04 05 (steel)

GOV.UK · Environment Agency — read the primary source for full detail.

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How WasteMapper helps
  • Pre-loaded EWC code library with the most common construction waste categories
  • EWC code selected at waste category selection — no manual lookup required
  • Hazardous waste flagged automatically with correct EWC code assignments
  • EWC codes included in BREEAM evidence pack in the format assessors require
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