Commercial page • Extreme cleaning
Extreme cleaning in France
Extreme cleaning in France means professional intervention when a property becomes unsanitary,
when a death occurs, or when hoarding syndrome (Diogenes syndrome) takes hold.
In 2026, Défi Clean is France’s trusted specialist for extreme cleaning: certified teams, proven method, discreet service.
Défi Clean, a specialist company, operates across France —
including Paris — for extreme cleaning:
disinfection, decontamination, clearance,
sorting, waste management,
odour treatment and pest control.
House, apartment, studio or premises:
we restore every location to a safe, healthy environment.
Discretion and respect guaranteed for every client.
Request a quote
Types of extreme cleaning services in France
Cleaning after death
Emergency or scheduled intervention after a death:
disinfection, decontamination,
biological risk management, odour treatment,
and full site safety restoration.
Hoarding syndrome (Diogenes)
Hoarding syndrome (or syllogomania): accumulation of
objects, waste, unsanitary conditions,
and often pests.
We carry out sorting, clearance,
deep cleaning and full health restoration.
Unsanitary housing
Unsanitary housing: dampness, mould,
ingrained dirt, damaged walls and furniture removal.
Every service is tailored to the specific situation.
How does an extreme cleaning intervention work in France?
Each step of our extreme cleaning process in France is handled by certified professionals equipped with PPE.
- Assessment of the situation and condition of the premises (house, apartment, studio, commercial space).
- Clear quote: surface area, waste volume, contamination level, risks and timeframe.
- Sorting and clearance: removal of waste, objects and furniture.
- Deep cleaning: floors, walls, sanitary areas and all critical zones.
- Disinfection + decontamination: professional products, certified protocol, biological risk reduction.
- Treatment of odours, pests, dampness and mould.
- Final inspection: objective is a safe, healthy space ready to be reoccupied.
Yes, this is a genuine restoration guide — without the « tackle it yourself with a sponge » part.
This is extreme cleaning.
Why hire a specialised extreme cleaning company in France?
- Serious health risks: contamination, biological agents, mould, pests.
- Clean, lasting results: real in-depth work, not just « looks better on the surface ».
- Time-saving: a fully equipped team, professional products and proven methods.
- Recognised professionalism — our greatest source of pride.
- Interventions adapted to every situation (death, hoarding, unsanitary housing).
Pricing & quotes: how much does extreme cleaning cost?
Pricing depends on the condition of the property, surface area,
waste volume, presence of odours, mould or pests,
and the level of disinfection and decontamination required.
The most reliable option: request a quote.
We respond quickly with a clear, detailed proposal.
Our clients recommend us — find our reviews on Google for more information.
Get a quote
Essential cleaning services
Extreme cleaning
Hoarding syndrome cleaning
Extreme cleaning, sorting, waste removal and full disinfection.
Unsanitary housing
Uninhabitable house cleaning
Deep cleaning, disinfection and restoration of sanitary conditions.
Pest control
Sensitive intervention
Crime scene cleaning
Biological decontamination and certified disinfection protocols.
Urgent service
Post-mortem
FAQ – Extreme cleaning
What is the average cost of cleaning after a death?
Costs depend on the condition of the premises, level of disinfection,
required decontamination, odours and waste volume.
A quote is necessary for accurate pricing.
How do I choose a company for unsanitary housing?
Check experience in extreme cleaning, products used,
waste management, quote transparency and ability to explain the protocol clearly.
What services are included in extreme cleaning?
Depending on the situation: clearance, sorting,
deep cleaning, disinfection, decontamination,
odour treatment, pest control and mould remediation.
How does hoarding syndrome cleaning work?
The process includes sorting of objects, waste removal, clearance,
cleaning, disinfection and full restoration to a safe environment.
Do you intervene in houses, apartments and studios?
Yes. We operate in houses, apartments, studios and professional premises,
adapting our intervention to the specific environment and constraints.
What Is Extreme Cleaning? A Complete Guide
Extreme cleaning — also known as specialized cleaning or insalubrity cleanup — refers to professional intervention in properties that have reached a level of uncleanliness or disrepair that makes them dangerous, uninhabitable, or legally non-compliant. These situations go far beyond what household cleaning products and standard cleaning services can address, requiring specialized equipment, certified technicians, and regulated waste disposal.
Défi Clean has been providing extreme cleaning services throughout France for many years. Our teams handle the most demanding situations with professionalism, efficiency, and discretion.
Common Situations Requiring Extreme Cleaning
Hoarding disorder (Diogène syndrome): Properties affected by compulsive hoarding often contain years of accumulated refuse, decaying organic matter, and infrastructure damage caused by prolonged neglect. Intervention requires careful sorting, large-scale waste removal, and thorough decontamination.
Severely neglected properties: Whether due to illness, disability, social isolation, or other factors, some properties reach a state where normal cleaning is no longer feasible. Accumulated waste, mold, vermin infestations, and structural damage all require specialized treatment.
Post-squatter cleanup: Properties that have been squatted often require complete decontamination including removal of improvised structures, drug paraphernalia, biological waste, and all accumulated refuse.
Post-fire or post-flood cleanup: Following disasters, extreme cleaning may be required to address soot, water damage, mold, and structural contamination before restoration work can begin.
Animal hoarding: Properties with a large number of animals — particularly where animal welfare regulations have been violated — typically require full decontamination addressing fecal matter, urine, parasites, and associated pathogens.
Our Extreme Cleaning Method
Every extreme cleaning intervention begins with a free, no-obligation assessment during which our team evaluates the property, estimates the volume of waste to be removed, and identifies any structural or health risks. We then present a detailed, transparent quote.
The intervention itself is organized in phases: first, the removal of all accumulated waste and bulky items; second, deep cleaning of all surfaces; third, professional disinfection and decontamination; and fourth, odor neutralization using industrial-grade equipment. Where necessary, we coordinate with pest control specialists, plumbers, electricians, and building contractors.
Why Choose Défi Clean for Extreme Cleaning?
Our teams are trained and certified in biohazard remediation, waste management, and occupational safety. We have the equipment, vehicles, and disposal partnerships to handle even the largest-scale interventions efficiently. We work across all property types — apartments, houses, commercial premises, social housing — and coordinate with social services, housing associations, and local authorities when required.
We understand that extreme cleaning situations often involve vulnerable individuals or complex family dynamics. Our approach is always professional, non-judgmental, and fully confidential.
Free estimate · 24/7 availability · Certified biohazard disposal · Operating across France