As the UK braces for a wetter-than-average autumn, insurance brokers are urging property owners — especially those with flat roofs — to take proactive steps to protect their buildings. Recent industry data shows a 25% surge in building insurance premiums over the past year, driven by increased rebuild costs and weather-related damage.
Flat roofs are particularly vulnerable during heavy rain due to poor drainage and ageing materials. Claims for roof leaks and water damage are becoming more frequent, especially when inspections and maintenance are neglected. The Met Office has warned of above-average rainfall across the UK from September through November, with intense downpours expected to affect both urban and rural areas — conditions that can overwhelm drainage systems and expose weaknesses in flat roof structures.
Recommended actions
- Ensure flat roofs have adequate slope and functioning drainage systems
- Clear debris from gutters and downpipes to prevent water buildup
- Look for cracks, gaps, or deterioration around roof edges, vents, and skylights
- Confirm coverage for storm damage and water ingress
- Update your insurer with inspection reports to ensure accurate risk assessment
- Address leaks, cracks, and structural weaknesses before the weather worsens — small issues can escalate quickly during heavy rain
Insurance providers rely heavily on roof inspection data to assess risk and determine coverage terms.