Authorities declared a major incident on July 30, 2026, after a large, wind-driven wildfire broke out on heathland near Dunwich Heath [1].

The scale of the blaze and its proximity to critical infrastructure created a significant emergency response effort on the Suffolk coast. The fire intensified due to drought conditions and dry heathland, allowing the flames to spread rapidly [1].

Emergency crews deployed approximately 90 firefighters to combat the fire [1]. The blaze grew to a size equivalent to 140 football pitches [3]. Due to the speed of the fire, hundreds of people were evacuated from the area [3].

One unnamed holidaymaker said, "I was woken up by 'hammering' on my door and told to evacuate immediately" [3].

The fire occurred near Leiston, approximately four miles from the Sizewell nuclear power plant [2]. While the plant remained a point of concern due to the proximity, the primary focus of the response remained the containment of the wind-driven flames on the heath [1].

Firefighters worked to establish containment lines as the wind continued to push the fire across the landscape. The declaration of a major incident allowed for the coordination of additional resources and personnel to manage the evacuation and firefighting efforts [1].

“"I was woken up by 'hammering' on my door and told to evacuate immediately."”

The declaration of a major incident highlights the increasing volatility of UK heathlands during drought periods. The proximity of the blaze to the Sizewell nuclear power plant underscores the potential for environmental disasters to intersect with critical energy infrastructure, necessitating rapid evacuation protocols for nearby residents.