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Poisonous substances

Coronavirus update

As a precautionary measure in response to coronavirus (COVID-19), normal services for Environmental Health and City Protection Services have been suspended.

If you sell certain poisons within the Belfast City Council electoral area, you must register with us.

Some of the poisons which must be registered are usually found in common products such as drain cleaners, kettle descalers, insecticides, pesticides and weedkillers.

Register poisonous substances online

It costs £5 to register to hold poisonous substances. Each premises should be registered separately. You must register before 1 April each year.

Please read the terms and conditions for online services and our privacy statement.

You can also call us on 028 9027 0428 to request a copy of the registration form. 

Renew an existing poisonous substances registration online

Once you have registered, you must renew your registration by 31 March each year. We'll issue you with a reminder but it's up to you to complete the renewal process. Renewals are £3 and each premises must be renewed separately.

You can also call us on 028 9027 0428 to request a copy of the renewal form.


If you have any queries or complaints about the inspection or the registration process, or to find out if a business has registered a poisonous substance, please contact us.

Contact us
Environmental health
028 9027 0428
Environmental health
Cecil Ward Building
4-10 Linenhall Street