How many fires get started on purpose in Harpenden?
There were 2.3 deliberate fires per 10,000 people a year in Harpenden from April 2023 to March 2026, 60% lower than the typical town's 5.7. The most common were other outdoor fires, at 0.9. In 2025/26 it was 3.6, up from 0.7 in 2023/24.