TR19 Duct & Kitchen Extract Cleaning
Understand what BESA TR19 guidance means, why it matters and how regular commercial duct cleaning and kitchen extract cleaning help reduce fire risks, improve ventilation hygiene and support compliance.
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What Is TR19?
BESA TR19 is the recognised industry guidance for inspecting, testing and cleaning commercial ventilation and kitchen extract systems. It was introduced to improve health, safety and ventilation hygiene standards across commercial buildings throughout the UK.
The primary aim of TR19 is to reduce fire risks and help maintain clean, hygienic ventilation systems. It provides guidance on inspecting, cleaning and maintaining commercial ductwork and kitchen extract systems to recognised industry standards.
Many insurers, facilities managers and building owners expect ventilation systems to be cleaned in accordance with BESA TR19 guidance. Following these standards and maintaining accurate records demonstrates that your business has taken appropriate steps to manage fire risks and maintain safe ventilation systems.
Regular kitchen extract cleaning also improves extraction performance by removing grease deposits that can restrict airflow, allowing extractor hoods to remove heat, smoke, steam and cooking odours more effectively. As a general guide, heavy-use commercial kitchens operating between 12 and 16 hours a day should have their kitchen extract systems cleaned every three months in accordance with BESA TR19 Grease guidance.
Our experienced engineers carry out commercial duct cleaning and kitchen extract cleaning in line with current BESA TR19 guidance, providing detailed photographic reports and compliance documentation after every project.
To find out more about the recommended cleaning frequency for your ventilation or kitchen extract system, contact our team to arrange a free site survey.
What is BESA?
BESA stands for the Building Engineering Services Association, the UK’s leading trade body for the building engineering services industry.
Founded in 1904 as the Heating and Ventilating Contractors’ Association (HVCA), BESA has played a key role in developing industry guidance for the inspection, testing and cleaning of commercial ventilation systems. Its TR19 guidance has become the recognised benchmark for commercial duct cleaning and kitchen extract cleaning across the UK.
Many insurers, facilities managers and building owners expect ventilation systems to be cleaned in accordance with BESA TR19 guidance. Maintaining appropriate cleaning records and compliance documentation can help demonstrate that your ventilation systems have been professionally maintained.
To find out more about BESA TR19 guidance or our commercial duct cleaning and kitchen extract cleaning services, contact our team to arrange a free site survey.
What are the TR19 Standards?
BESA TR19 guidance sets out recognised standards for inspecting, testing and cleaning commercial ventilation and kitchen extract systems. The aim is to help businesses maintain clean ventilation systems, reduce fire risks and support good indoor air quality.
Regular inspections and professional cleaning help remove dust, grease and other airborne contaminants that can restrict airflow and affect system performance. Maintaining clean ductwork also supports a healthier environment for employees, customers and visitors.
Our experienced engineers inspect commercial ductwork, kitchen extract systems and ventilation equipment to assess their condition and identify when cleaning or maintenance is required. Following a planned maintenance schedule helps keep your ventilation systems operating efficiently while supporting compliance with current industry guidance.
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How TR19 Cleaning Works
Our engineers use specialist equipment to remove dust, grease and other contaminants from ventilation systems in accordance with BESA TR19 guidance. Every system is assessed to ensure all accessible ductwork is cleaned thoroughly and to a consistent standard.
Where access is limited, we can install additional access panels to allow effective cleaning and make future inspections and maintenance much easier.
If microbiological contamination is identified during the cleaning process, we can also carry out appropriate cleaning and disinfection to help restore ventilation hygiene.
Our approach is designed to minimise disruption while ensuring your ventilation system can be cleaned and maintained more efficiently in the future.
Working to Recognised Industry Standards
Ferncroft carries out cleaning in accordance with current BESA TR19 guidance.
Our engineers keep up to date with the latest industry guidance and follow recognised cleaning procedures when working on commercial ductwork and kitchen extract systems. Every project is completed using specialist equipment and proven cleaning methods to achieve a thorough and consistent standard.
Where applicable, our work also aligns with recognised industry standards including BS EN 15780 for ventilation hygiene and BG49 guidance for ventilation system cleaning and verification.
Following every project, we can provide post-clean verification, photographic evidence and detailed reports to demonstrate the work completed and support your ongoing maintenance programme.
How to Check if Your Service Provider Meets TR19 Standards
Not every ventilation cleaning contractor works to the same standard. A professional service provider should follow current BESA TR19 guidance and use recognised cleaning methods to help maintain safe, hygienic ventilation systems.
When choosing a contractor, look for evidence that they:
- Follow current BESA TR19 guidance
- Use trained and competent engineers
- Carry out post-clean verification where required
- Provide photographic evidence of the work completed
- Issue detailed cleaning reports and compliance documentation
- Recommend appropriate cleaning frequencies based on your system
Choosing a contractor that follows recognised industry guidance gives you greater confidence that your ventilation system has been cleaned thoroughly and that you have the documentation needed to support inspections, insurance requirements and planned maintenance.
Why Following TR19 Guidance Matters
Following recognised industry guidance helps businesses maintain clean ventilation systems, reduce fire risks and support a safe working environment. It also provides a recognised framework for determining appropriate cleaning frequencies based on how your ventilation system is used.
Regular cleaning removes grease deposits that can restrict airflow, reduce extraction performance and increase the risk of fire. Keeping kitchen extract systems clean also helps improve ventilation efficiency and maintain a more comfortable environment for employees and customers.
Failure to maintain ventilation systems properly can have serious consequences. In the event of a fire, inadequate cleaning records or poor maintenance may affect insurance claims and make it more difficult to demonstrate that appropriate fire safety measures were in place.
Demonstrating TR19 Compliance
Achieving compliance involves more than simply cleaning your ventilation system. You’ll also need clear documentation to demonstrate that the work has been carried out to a recognised standard.
Our engineers use specialist equipment to thoroughly clean accessible ductwork and kitchen extract systems. Following every project, you’ll receive a detailed report including photographic evidence, inspection findings and recommendations for future maintenance.
Where applicable, reports also include grease measurements and recommended cleaning frequencies based on BESA’s accumulation assessment guidance, helping you plan future maintenance and demonstrate compliance during inspections or insurance reviews.
If you’d like to find out more about our approach to ventilation cleaning and compliance reporting, our team will be happy to help.
Kitchen Extract Cleaning Under BESA TR19 Guidance
Under BESA TR19 Grease guidance, kitchen extract systems should be inspected and cleaned at intervals based on how heavily they are used. The recommended cleaning frequency depends on factors such as the type of cooking, hours of operation and the level of grease accumulation within the extraction system.
Regular inspections help identify when cleaning is required, reducing fire risks, maintaining extraction performance and supporting compliance with recognised industry guidance.
How much does TR19 cost?
The cost of TR19 cleaning varies depending on the size and condition of your ventilation system. Factors including ductwork length, ease of access, grease build-up and the complexity of the system all influence the amount of work required.
Choosing a contractor based on price alone can be a false economy if the work doesn’t meet recognised industry standards. It’s important to understand exactly what’s included, such as cleaning, photographic reporting, compliance documentation and any recommendations for future maintenance.
Following a site survey, our engineers can provide a tailored quotation based on your building and ventilation system.
How often should Duct Cleaning be completed?
The recommended cleaning frequency depends on how your kitchen operates and how quickly grease accumulates within the extraction system.
As a general guide:
- Heavy-use kitchens (12–16 hours per day): every 3 months
- Moderate-use kitchens (6–12 hours per day): every 6 months
- Light-use kitchens (2–6 hours per day): every 12 months
Our engineers can assess your kitchen extract system and recommend a cleaning schedule based on your kitchen’s usage and operational requirements.
What are the Risks of Non-Compliance?
Failing to follow BESA TR19 guidance can increase the risk of fire, affect ventilation performance and make it more difficult to demonstrate that appropriate maintenance has been carried out.
Grease deposits inside kitchen extract systems are highly combustible. If they are allowed to accumulate, a fire can spread rapidly through the ductwork and into other parts of the building.
Poor maintenance may also affect insurance claims, lead to enforcement action where legal responsibilities have not been met and increase the likelihood of costly repairs or operational disruption.
Why Choose Ferncroft Duct Cleaning?
Our experienced engineers work to recognised industry guidance and provide comprehensive reporting to help you maintain clean, well-maintained ventilation systems.
When you choose Ferncroft, you’ll benefit from:
- Kitchen extract cleaning carried out in accordance with BESA TR19 guidance
- Detailed photographic reports and compliance documentation
- Site-specific risk assessments
- Environment Agency registered waste disposal
- Biodegradable cleaning chemicals
- COSHH-compliant working practices
- Recommendations for future maintenance
TR19 Compliance Reports
Following every project, we provide detailed photographic reports and compliance documentation to demonstrate the work carried out on your ventilation system.
If you’d like to arrange a free site survey or find out more about our TR19 cleaning services, contact our team and we’ll be happy to help.
TR19 Compliant Cleaning Services
Areas We Cover For TR19 Cleaning
Ferncroft Duct Cleaning provides TR19 duct cleaning and kitchen extract cleaning services for businesses across the UK.
From our base in the South East, our engineers work nationwide, helping organisations maintain clean, compliant ventilation systems in accordance with BESA TR19 guidance.
If you can’t see your town, city or county listed, please get in touch. We regularly work outside our core service areas and may still be able to help.
Our coverage includes, but is not limited to:
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