Hot Weather Alert: Is Your Building Ready for Rising Temperatures?

As the UK braces for another period of rising temperatures, property owners, landlords, and facilities managers face a growing challenge: protecting buildings from the hidden risks that hot weather brings. Heatwaves are no longer rare, and each year we see a noticeable increase in property‑related insurance claims linked directly to prolonged high temperatures.

Preparing your building now isn’t just good practice, it’s a critical part of property risk management and can significantly reduce the likelihood of costly disruption.

Why Hot Weather Poses a Serious Risk to Buildings

High temperatures can create a perfect storm of structural, mechanical, and environmental pressures. Many of these issues develop quietly and only become visible once damage has already occurred.

1. Overheating Electrical Systems

Electrical panels, switchgear, and plant equipment are particularly vulnerable during heatwaves. Excess heat can cause:

• Component failure

• Tripped circuits

• Increased fire risk

Even modern systems can struggle when ambient temperatures exceed their design limits. Regular electrical inspections are essential.

2. Thermal Expansion and Water Leaks

Pipework expands in hot weather and contracts as temperatures drop. This movement can weaken joints, seals, and valves, leading to:

• Hidden leaks

• Burst pipes

• Water damage to walls, ceilings, and plant rooms

Monitoring vulnerable pipework is especially important in older buildings.

3. Subsidence and Ground Movement

Dry soil, particularly clay, shrinks during hot weather. This can cause:

• Cracking in walls

• Distorted door and window frames

• Structural movement

Subsidence claims typically spike after hot summers, making subsidence awareness a key priority for property owners.

4. Pressure on Cooling and Refrigeration Systems

Air conditioning and refrigeration units work significantly harder in hot weather. This increases the risk of:

• Mechanical breakdown

• Loss of temperature‑controlled stock

• Business interruption

A proactive HVAC maintenance plan can prevent costly failures.

5. Increased Fire Risk

Dry vegetation, external ignition sources, and overheating equipment all contribute to a heightened fire risk. Even small sparks can escalate quickly in hot, dry conditions.

Practical Steps to Protect Your Property

A few targeted actions can dramatically reduce the likelihood of heat‑related damage. We recommend focusing on the following areas:

• Inspect HVAC and cooling systems: Ensure filters are clean, refrigerant levels are correct, and airflow is unobstructed.

• Check electrical installations: Look for hotspots, overloaded circuits, and ageing components.

• Monitor pipework and water systems: Pay attention to joints, valves, and exposed pipe runs.

• Review fire prevention measures: Clear vegetation, secure external bins, and check fire doors and alarms.

• Update emergency response procedures: Ensure teams know how to respond quickly to leaks, power failures, or equipment breakdowns.

The Insurance Impact: Why Prevention Matters

Heat‑related property claims are becoming more frequent and more expensive. Common losses include:

• Water damage from burst pipes

• Electrical fires

• HVAC breakdowns

• Subsidence‑related structural repairs

• Spoilage of temperature‑sensitive goods

These incidents often lead to business interruption, which can be more costly than the physical damage itself.

Proactive maintenance not only reduces the likelihood of a claim it can also strengthen your position when a claim does arise. Insurers increasingly expect evidence of reasonable care, especially during known high‑risk periods such as heatwaves.

Prepare Now for a Safer Summer

Hot weather may be unavoidable, but heat‑related damage doesn’t have to be. A few simple checks today can prevent major disruption tomorrow- protecting your property, your people, and your bottom line.

If you’d like advice on the above, the EFI team is here to help.