EWC codes vs SIC codes on waste paperwork

By WasteSignal · England, Scotland and Wales

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An EWC code classifies waste. A SIC code describes an economic activity. Both may appear on a waste document, but they answer different questions and cannot replace one another.

The distinction matters when a supplier asks for “your waste code” or an employee copies numbers from Companies House into a transfer note. A number can be genuine and still belong in the wrong field. Start by asking whether the form wants information about the material or the activity producing it.

This guide helps businesses in England, Scotland and Wales understand the coding questions behind their records. Use the duty of care and record keeping pillar for the complete process, and how to complete a waste transfer note when working through an actual form.

What is the difference between an EWC code and a SIC code?

EWC means European Waste Catalogue. The same waste classification system is commonly referred to through List of Waste or LoW terminology. The relevant code identifies a waste classification, rather than the identity of the business or its registration.

SIC means Standard Industrial Classification. It describes a business activity. Companies House’s current explanation describes a five-digit SIC code used to identify a company’s economic activity on the register.

For a waste collection, record the relevant business activity and classify the waste it produces separately. Knowing the activity alone will not tell you which waste classification applies.

A retailer, for example, may have packaging waste and waste from a separate maintenance activity. Its overall business identity does not make those materials identical. Equally, two businesses with different activities may produce comparable waste streams that require assessment on their own facts.

Are EWC codes and List of Waste codes different systems?

In everyday waste paperwork, EWC and LoW generally refer to the waste codes covered by the relevant classification guidance. A supplier may use one label while a form uses the other. Check the intended field before assuming a terminology difference means a separate classification is required.

The official waste classification technical guidance publication includes the WM3 guidance and explains that its Appendix A contains the relevant classification codes. Use the current official document rather than an undated list copied into a supplier’s spreadsheet.

Take care with data formatting. A six-digit classification may be displayed in groups or stored as text. Your system should preserve the full value, including any leading zero, rather than turn it into a shorter number during an import.

Record the description as well as the code. A correct-looking field does not tell the next holder everything about the actual load, composition or handling concerns. Our accurate waste descriptions guide explains that supporting information.

Which code belongs on an ordinary waste transfer note?

Use the appropriate waste classification code in the waste-code field and the applicable SIC information in the activity field. Do not put a carrier registration reference or company number into either field just because the form asks for another number.

The Environment Agency’s transfer-note template gives an England and Wales example of those separate entries. NRW’s completion guidance also distinguishes the waste description and code from the transferor’s business information.

Scotland’s current transfer-note section specifies the appropriate six-digit EWC code and the transferor’s activity SIC code. Read the applicable national guidance when configuring a form used across sites.

Check the field label and its instructions together. “Business code” is too vague for a permanent procedure. Ask the supplier which coding scheme it means and document the answer so the next employee does not have to guess.

Whose SIC code should go on the paperwork?

For the ordinary transfer-note context, focus on the transferor and the relevant activity information requested by the applicable rules. Do not automatically enter the collector’s waste management activity simply because the collector prepared the form.

The transferor is the holder passing the waste to the next holder. That may be your business, but the real arrangement needs checking where facilities management companies, landlords or other organisations are involved. A billing relationship alone does not explain every legal role.

Ask which business and activity the entry describes. If a contractor’s SIC code has appeared on your notes for years, investigate the field and the arrangement before deciding that the long history makes it correct.

Keep the identities straight throughout the document. Your company’s number, the carrier’s registration, the receiving site’s authorisation and the applicable activity code each have a separate purpose. A useful record makes those relationships understandable without asking readers to decode an unexplained list of references.

Can you copy the SIC code from Companies House?

A Companies House entry can provide useful starting information about a company’s stated activities. It is not a complete description of every activity at every site, nor a substitute for checking what the particular paperwork asks you to identify.

Companies House uses a condensed SIC list for its filings. The fact that a code is appropriate for a corporate filing does not by itself resolve the activity question for a particular waste process or document.

Consider a business with a main trading activity and an on-site workshop. Ask whether the entry being copied explains the relevant activity rather than merely the largest part of the company. Where you are unsure, obtain competent advice on the required entry.

Our Companies House supplier-check guide helps interpret corporate records in their proper scope. Keep that enquiry distinct from waste classification and permissions: a corporate activity code is not authorisation to collect, treat or dispose of waste.

How do you choose the right waste classification code?

Start with the waste’s source and composition, then follow the applicable classification guidance. Do not choose a code solely by searching for a familiar noun and selecting the first result. The source process and the nature of the material can affect the assessment.

The official classification responsibilities guidance explains that businesses must classify waste before collection, disposal or recovery. It directs readers to common waste guidance and the technical assessment framework.

Your business may need input from somebody who understands the process, relevant substances and appropriate evidence. For uncertain or potentially hazardous materials, use competent specialist help rather than accepting an unsupported guess from a form’s drop-down menu.

Keep the reasoning proportionate and usable. A routine known stream may have a straightforward supporting explanation; an unfamiliar residue may need a more detailed assessment. Keep enough information to explain why the selected code fits the waste.

Does a hazardous-looking item always have a hazardous code?

Waste classification requires assessment, not a judgement based only on appearance or an everyday product name. Some entries and materials are straightforward; others depend on the substances present and the applicable hazardous properties.

Do not assume a small quantity is automatically non-hazardous. Equally, avoid claiming that every item in a broad product category has exactly the same classification. Identify the material, its condition and the evidence needed for the particular assessment.

Where a hazardous classification applies, use the appropriate documentation process. Our transfer note versus consignment note guide explains why an ordinary non-hazardous transfer-note template is not a universal solution.

Keep uncertainty visible until it is resolved. If colleagues cannot explain whether a stream has been assessed, ask for the supporting information before recording a definitive classification. A neat spreadsheet entry should not conceal an unanswered safety or compliance question.

Can one waste container need more than one code?

The answer depends on the actual waste and how the classification framework applies. A container is a physical storage or transport arrangement, not necessarily a single classification. The official classification guidance notes that more than one code will usually be needed where more than one type of non-hazardous waste is stored in a container.

Do not treat that as permission to mix materials that should remain separate. Storage, segregation, hazardous waste and collection requirements still need their own consideration. Describe what is present and ask how the collection will be assessed and accepted.

For paperwork, check whether the record can accommodate separate streams and quantities clearly. An additional schedule may be more useful than squeezing several unexplained codes into one field with a generic description.

If a supplier suggests simplifying different streams under one code, ask for the classification basis. Administrative convenience is not an explanation of why the code is appropriate. Agree a workable recording method that preserves the information needed to understand the actual load.

Can two sites use the same waste code but different activity information?

Potentially, because classification and business activity answer different questions. Assess each site’s waste and the relevant activity instead of assuming either that all codes must match or that every difference is an error.

A head office and a manufacturing location may produce different streams under the same company name. Two production sites may also have different input materials or treatment processes. The shared business identity does not remove the need to understand those differences.

For multi-site administration, maintain a clear mapping of site, activity, waste stream, description and agreed coding information. Label it as your management tool rather than a substitute for the required transfer records.

When a site changes its process, review its entries rather than silently changing the group-wide template. Explain the reason so colleagues can tell a deliberate distinction from a typing mistake. That makes central oversight useful without forcing every location into an inaccurate standard description.

What if the code on the invoice differs from the transfer note?

Start by identifying which coding system each document uses. An invoice may contain an internal service or product code that is not intended as an EWC entry. Ask the supplier to explain ambiguous labels before concluding that the waste classification changed.

If both fields claim to show the waste classification and they differ, compare the collection date, site and stream. Establish whether one document contains an error, whether the actual load differed or whether an assessment changed with supporting evidence.

Keep the correction connected to the original record. Do not overwrite the difference without documenting the explanation. Our missing, incorrect or unsigned transfer-note guide helps organise that follow-up.

Where the discrepancy points to an actual waste or destination problem, investigate more broadly. Find out which entry describes the collection correctly before changing either field. Making the numbers match will not resolve an incorrect classification.

How do you avoid spreadsheet and portal coding errors?

Keep waste codes, SIC codes, company identifiers and registration references in separate, clearly labelled fields. Preserve leading zeros and avoid formats that automatically convert codes into dates or shorten them into numbers.

If a system offers suggested codes, ask where the suggestions come from and who checks the selection. A technical validation that six digits were entered cannot establish that the code classifies the waste correctly.

When importing an existing list, keep a small sample of the original records and compare them with the result. Check a code with a leading zero, a record with several streams and a site with more than one activity. These are practical data checks, rather than a replacement for reviewing the classification itself. If a mapping error affects historical documents, preserve the original values and establish the affected period before changing records. That gives colleagues a clear explanation of whether the problem came from the underlying assessment or from how information moved between systems.

Test an export using a real collection. Confirm that the code, written description, site and applicable activity information remain together and readable outside the supplier portal. A dashboard can look complete while its downloaded record loses important context.

Give staff examples of the distinction without offering universal codes for every material. A simple instruction such as “this field describes our activity; that field classifies the waste” can prevent a recurring category error while still leaving classification decisions with appropriately informed people.

What does a practical coding review look like?

Imagine fictional Maple Services finds the same five-digit number in both the SIC and waste-code columns of its collection spreadsheet. The administrator checks the headings, compares a completed note and asks the supplier what each field represents.

The business confirms its relevant activity information and obtains the existing classification assessment for the waste stream. It corrects the mapping, preserves the explanation and checks whether previous transfer records need follow-up. It does not invent an extra digit to make the waste column look valid.

In a second case, a six-digit code differs between two sites. The reviewer first checks the processes and materials, rather than copying one value over the other. The difference may be supported, or it may reveal an error requiring assessment.

In each case, the reviewer checks which coding scheme the field uses and how the waste was assessed before correcting anything. A difference between entries needs an explanation; matching numbers alone do not establish that either entry is right.

What should you keep with the agreed codes?

Keep the current written description, relevant supporting assessment and the reason for significant changes. Make it clear which waste stream and site the information covers, who confirmed it and when it was reviewed.

Use waste record retention periods for the required document periods and distinguish those from your internal policy for assessment evidence. Staff should be able to find the information needed to explain an entry without searching old personal inboxes.

Review coding when the actual waste or activity changes. Current digital waste tracking arrangements do not remove the need for accurate information or the existing applicable documents. A new system can repeat an old mapping error unless somebody checks the underlying entries.

Return to waste transfer notes explained to connect the codes with the handover record. Accurate coding helps when it sits alongside a clear description, correct parties and a record of the real transfer.

EWC codes vs SIC codes: what goes on waste paperwork?