Landfill Tax: send your online return (LT100)
Use the online service to send your Landfill Tax Return.
Use the online service to submit a Landfill Tax Return to HM Revenue and Customs. Agents or personal representatives can also use this service.
Before you start
If you’re submitting your own return and don’t have a Government Gateway account, you can create one at the start of the online service.
You’ll need your Landfill Tax registration number to submit your return.
If you’re an agent or representative and don’t have a User ID and password, you’ll need to create a Government Gateway account.
Make a note of your User ID and password and come back to this page to start your online return.
Agents will need their access code and their client’s Landfill Tax registration number.
Tax credit for contributions to environmental bodies
You may be able to claim tax credit for contributions made to approved environmental bodies. The conditions for claiming the credit under the Landfill Communities Fund are set out in the Landfill Tax guide.
Over or under declarations
If there are any errors where you’ve over or underpaid Landfill Tax, refer to the Excise Notice LFT1 guidance. This will explain how to address these errors on your online return.
Related forms and guidance
Landfill Tax: returns, records and appeals
Find out how to submit a Landfill Tax return and what supporting records you need to keep.
Landfill Tax: register and change your details
Find out how to register or change your registration details for Landfill Tax and download the correct registration forms.
Excise Notice LFT1: a general guide to Landfill Tax
This notice gives a general guide to Landfill Tax, which is a tax on the disposal of waste to landfill.
Contact HMRC about Landfill Tax
Call or write to HMRC for help with Landfill Tax, including registering and making payments and returns.