A leasehold flat within a major regenerated West London estate suffered a sewage overflow in the bathroom, rendering the property unsafe for occupancy and necessitating emergency cleaning.
The incident occurred early on a Friday evening and caused a serious biohazard exposure risk, a potential for cross-contamination within the residential block, legal liability under landlord repair obligations, and significant distress for the residents.
As the estate’s contracted communal cleaning provider, Dayco Cleaning were instructed by the Estate Director to deliver an emergency sewage cleaning service on a one-off call-out basis.
To deliver an emergency cleaning that restored the flat to a safe, compliant, and livable condition immediately.
Providing a complete sewage cleaning service, including removal of biological contaminants, elimination of odours, strict adherence to health and safety regulations, and a discreet out-of-hours service that caused no disruption to neighbouring residents.
The contamination presented Category 3 biohazard risk, including exposure to pathogens such as E. coli and Salmonella.
The contaminants penetrated porous surfaces such as grout and subflooring, increasing the risk of lingering pathogens, germs, and odours.
Without Dayco Cleaning’s emergency sewage-cleaning service, the property would have remained uninhabitable, requiring the evacuation of residents.
A specialist two-person emergency cleaning team was deployed and arrived on site within 90 minutes, completing the entire sewage-cleaning service during a single 10-hour evening operation.
Full PPE and containment protocols ensured zero cross-contamination within the residential block. Tyvek protective suits and powered air-purifying respirators (PAPRs) were used, and controlled contamination zones were established.
All work was carried out in strict compliance with:
Despite the out-of-hours occurrence, our emergency cleaning response prevented contamination from spreading. Our team adapted the decontamination process to work effectively within the confined bathroom space, ensuring the entire sewage cleaning service could be completed in a single visit. Porous contaminated materials were treated with multiple specialist disinfection processes to ensure all biohazards were fully removed.
Within a single evening, the property was restored from an uninhabitable biohazard-contaminated environment to a certified safe residential standard.
All contamination was eliminated, odours neutralised, and associated health risks eliminated. Waste was documented and disposed of in accordance with regulatory requirements, the property passed post-cleaning inspection, and the occupants were able to safely return home without further disruption or additional costs.
The Property Manager and occupants commended our rapid response, professionalism, and handling of what they described as the most challenging situation they had experienced.
When sewage incidents happen in residential spaces, speed and certification are essential. This emergency cleaning project demonstrates our ability to provide emergency cleaning, adhere to strict regulatory frameworks, and restore properties to a safe condition without escalation, liability, or exposure, and without resident evacuation.
In this case, a legally sensitive and emotionally charged situation was resolved safely, discreetly, and within hours, protecting both residents and property management.
Following the emergency sewage-cleaning project, we are introducing ATP (Adenosine Triphosphate) testing to provide scientific verification of hygiene levels in future biohazard responses and emergency sewage-cleaning services.
