Bonfires are typically held at public firework events, but garden bonfires are allowed in the UK, although there are rules. If you are thinking of having a garden bonfire this year, here is all you need to know. They suggested dry, untreated, unpainted wood, small amounts of plain paper or cardboard for kindling and dry garden waste such as twigs, leaves, and small branches. Research from Waste Managed shows that garden waste bonfires can produce up to 30 times more particulate pollution than burning clean, untreated wood. The Government website advises getting rid of household or garden waste by composting or recycling it.