By submitting a completed Application for Permit to light a fire (Form CSO 010) to your local fire warden (or in their absence, the chief fire warden). This form, including explanatory notes on its completion, can be downloaded from the website.
The local Fire Warden can be identified through typing in the address of where the fire is to be held in the Fire Warden Finder on the website.
The Fire Warden may inspect the site.