Periods of prolonged hot weather are known to create a range of challenges for commercial buildings, and pest activity is one challenge that facilities teams should currently be prepared for. Warmer conditions can accelerate insect reproduction, and pests may also move into buildings in search of food and water, or more suitable shelter. With UK businesses facing increasingly hot summer periods, proactive corporate pest management prevents a seasonal increase in pests from developing into a larger infestation.
Temperature influences pest activity throughout the year. Local authority pest prevention guidance warns that insects multiply rapidly in warm conditions, and rodents may also be attracted to warm environments. Flies can become a highlighted nuisance around commercial waste and kitchens. Ants can enter buildings in search for food or water, and warmer areas within facilities can provide favourable conditions for cockroaches. It’s best not to give them a chance!
During a heatwave, businesses naturally seek to increase ventilation, but this can make access easier for flying and crawling insects, especially where suitable screens and other preventative measures are absent. Professional industrial pest control services will assess these risks to companies before they escalate.
Good housekeeping remains one of the most effective forms of pest control, as food residues and overflowing bins can easily attract pests. As they boil in the heat, the odour reaches flies and rodents from farther afield – this is high risk in summer heatwaves. Government guidance advises businesses to remove food waste and rubbish from preparation areas promptly to prevent it from attracting pests.
FM teams should therefore review how frequently bins are emptied in hot periods and keep waste storage areas clean. Any leaks or standing water should also be investigated.

Effective facility pest removal should address the cause of an infestation as well as the pests themselves. Damaged goods and gaps around pipes, or cracks in external walls can provide entry points. Facilities teams can include these areas in routine inspections. Where defects are identified, repairs should be made promptly rather than relying entirely on pest treatments. Guidance for commercial premises similarly recommends repairing holes and building damage as part of effective pest control.
Businesses should avoid waiting for a significant infestation before taking action. Regular inspections will identify droppings, nests, damaged packaging, pest activity and other early warning signs. Appropriate pest services for facilities will include routine monitoring alongside responsive treatment when a problem is discovered. Pest management plans can also establish clear procedures for inspection and prompt treatment, particularly in higher-risk facilities.
How can you prepare your facility in this hot weather? Commercial pest control works best when prevention and treatment are coordinated with ongoing monitoring. Grey-Water Facilities Management can help businesses review their pest risks and put suitable controls in place for their specific premises. Professional pest control will work in tandem with wider facilities management measures like cleaning and waste handling, so businesses are better prepared when temperatures rise.
With a planned approach to facility pest management, a summer heatwave does not have to become an invitation for unwanted visitors.

