London hotels recorded a 75% higher rate of bed bug detections than comparable monitored properties in Paris over the preceding 12 months, according to figures from Cambridge-based technology company Spotta. The research draws on automated monitoring equipment installed at participating hotels, not an inspection of the entire hospitality market in either capital.
Spotta calculated detections per 1,000 monitored rooms, using approximately 624,000 monitored room nights in London and 1.15 million in Paris. The comparison includes hotels where its technology had been installed for more than a year. Differences in the selection and characteristics of those properties limit how broadly the finding can be applied.
The company also reported that bed bug detection rates in its UK installations increased 44% year on year between April and August 2026. Longer-running data suggested activity had tripled over a little more than two years, while parts of the Scottish Highlands, Northumbria and Wales were among areas showing increased activity from relatively low historic levels.
A detection is not necessarily evidence of an established infestation. Bed bugs can arrive with guests’ luggage and belongings, and the identification of one or two insects may enable a hotel to investigate before a larger population develops. That distinction matters when interpreting differences between properties and comparing reported rates.
Spotta says five-star hotels recorded 38% more introductions than three-star hotels within the monitored sample but were better at preventing subsequent spread. Those observations should not be presented as evidence that more expensive hotels are less clean. Bed bugs move with people and possessions, and hotel standards alone do not determine whether they are introduced.
The company’s monitoring equipment operates continuously and provides alerts at room level when activity is detected. This differs from relying on guest complaints or inspections carried out at scheduled intervals, potentially identifying insects before a visitor notices them.
Hotels still need trained staff and appropriate professional support to respond. Technology can indicate a possible problem, but investigation and treatment are operational tasks requiring decisions about rooms, equipment, housekeeping and communication with customers.
Bed bug incidents can carry commercial costs through treatment, temporary withdrawal of accommodation, complaints and damage to reputation. A property may also have to inspect nearby rooms or undertake additional cleaning and monitoring after activity is detected.
Online reviews and booking platforms can amplify concerns, making a prompt and credible response important even where an introduction was isolated. Hotels must balance transparent customer communication with avoiding claims that suggest a wider problem than the evidence supports.
The business case for continuous monitoring depends on the costs of equipment, installation and servicing compared with the losses associated with delayed detection. Different types of property may reach different conclusions because occupancy, room rates and existing pest management arrangements vary.
Spotta says its technology has monitored more than 16.5 million room nights overall. That represents substantial observations within its own customer base, but the company also sells the monitoring service and therefore has a commercial interest in highlighting increasing activity.
Monitoring arrangements also influence which incidents are recorded. A device that identifies insects before a guest notices a problem may generate more early detections than a system relying on complaint records, without necessarily indicating a larger number of established infestations. Consistent measurement is therefore essential when comparing locations and time periods.
Hotel managers must decide how to respond without disrupting guests unnecessarily. Training may be needed to interpret alerts, inspect rooms and coordinate treatment providers. Maintaining records of findings and follow-up activity can help determine whether a problem was isolated or recurrent, while providing an evidential basis for service improvements and customer communication.
The data provide an indication of changing detections within the participating hotels. Confirming whether the pattern represents a wider shift in national infestation rates would require broader surveillance, information about sampling and consistent measurement across the hospitality sector.
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