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Environment Agency gov.uk

T33: recovering central heating oil by filtration

Imported from official source

Read New rules from January 2027 to find out what to do.

There’s a charge for most waste exemptions

This exemption is in band 2. Read waste exemption charges to find out what the charges and charging bands are.

Includes filtering central heating oil from disused tanks so that the oil can be reused.

  • treat any other types of oil by filtration
  • mix hazardous waste with other hazardous or non-hazardous waste

    • The waste codes are those listed in the List of Wastes (LoW) Regulations. You need to make sure your waste fits within the relevant waste code and description.

    (*) An asterisk at the end of a code means the waste is hazardous.

    You can treat up to 400 litres of central heating oil over any 7-day period.

  • treated in a location with sealed drainage

    • You must register this exemption with the Environment Agency if you meet the requirements.

    Secondary containment – a bund or any other system for preventing waste that has leaked from its main container from escaping from the place where it is stored or treated.

    Sealed drainage – a drainage system with an impermeable surface that makes sure that:

  • no liquid will run off the surface apart from via the system

    • This is an extract. The publication continues at the source.

    Contains public sector information licensed under the Open Government Licence v3.0. Licence

    Read the original at the source: https://www.gov.uk/guidance/waste-exemption-t33-recover-central-heating-oil-by-filtration

    Officially imported this from Environment Agency’s own source and shows an extract. If you work there, claiming the profile and verifying the domain lets you choose to show the full text here.

    Provenance

    Organization
    Environment Agency — imported from official source
    Official source
    https://www.gov.uk/government/organisations/environment-agency.atom ATOM
    Imported
    October 21, 2026 09:00
    Versions
    1 recorded
    Identity
    https://www.gov.uk/guidance/waste-exemption-t33-recover-central-heating-oil-by-filtrati...

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