Property Compliance
Tetra Tech delivers comprehensive and fully integrated property compliance services that help clients meet statutory obligations, protect building users, improve productivity, and reduce long-term operational risks.
Our expert team supports duty holders and estates managers across the public and private sectors to ensure properties are safe, sustainable, and legally compliant. Tetra Tech is ISO 9001 and ISO 45001 accredited, and our services span the full asset lifecycle—from survey and inspection to remediation and ongoing risk management.
Our UK-based teams combine regulatory expertise with technical depth across disciplines, including indoor air quality, asbestos, Legionella risk assessments, hazardous materials, and fire safety. We work collaboratively with clients to develop pragmatic, evidence-led strategies that minimise risk and support safe, productive environments.
Our teams can draw on best practice and expertise from our colleagues around the world. Learn more about our global site remediation services.
Indoor Air Quality
We help clients manage indoor air quality and ventilation across all building types, from schools to commercial workplaces.
- Detailed indoor air quality assessments measuring contaminants such as CO₂, CO, NO₂, formaldehyde, VOCs, particulates, bacteria and mould
- Appraisals of air-handling units hygiene and filter efficiency
- Actionable reports that satisfy WELL Health & Safety Rating SA4 and WELL Building Standard A01 Part 5
- RESET Air AP services to guide your project through to accreditation
- Bespoke investigations to address specific complaints or concerns, delivering targeted analyses and peace of mind
- Indoor air quality awareness talks for occupants and facilities staff
- Indoor Air Quality Plans to support achievement of BREEAM HEA 02 credits
Legionella Risk Assessment
Tetra Tech’s comprehensive legionella suite of services supports compliance with the Health and Safety Executive’s (HSE) Approved Code of Practice (ACoP L8) and HSG274 guidance.
- UKAS accredited to ISO 17020 to undertake Legionella risk assessments and water sampling
- Experts in Legionella risk assessments for all types of water systems
- Creation of schematic diagrams, water logbooks and asset registers
- Review of existing controls and logbooks
- Recommendations for remedial works, monitoring plans, and staff training
- City & Guilds and LCA-accredited legionella training courses
- Water sampling and analysis by an independent UKAS laboratory
- Members of the Legionella Control Association (LCA)
- Indoor air quality audits, domestic water audits, cooling tower audits, and water management audits
Asbestos Management and Surveying
Tetra Tech holds ISO 17020 and ISO 17025 certification as a UKAS-accredited Inspection Body and Testing Laboratory. Our experienced professionals deliver trusted asbestos consultancy services for refurbishment, demolition, and ongoing compliance.
- UKAS-accredited asbestos risk assessments, management, refurbishment, demolition, and reinspection surveys
- UKAS-accredited air monitoring and laboratory sample analysis
- UKATA accredited training courses
- Asbestos removal project design and contractor oversight
- Asbestos management plans, gap analysis and due diligence assessments
- Online compliance management systems
- Monitoring and re-occupation certification
Fire Risk Assessment
We offer independent, accredited fire risk assessments to support compliance with the Regulatory Reform (Fire Safety) Order 2005, The Fire (Scotland) Act 2005, Fire and Rescue Services (Northern Ireland) Order 2006, and all European Fire Safety legislation, in accordance with PAS79 for occupied premises and construction sites.
- Fire strategy and compartmentation reviews
- Life safety risk assessments for complex buildings
- Evacuation planning and fire safety management procedures
- Integration with wider safety and compliance programmes
Hazardous Materials Management
Tetra Tech helps clients identify, assess, and manage hazardous materials reliably and cost-effectively in line with health, safety, and environmental regulations.
- Hazardous Material (HazMat) surveys, management plans, removals supervision and monitoring
- Lead paint and polychlorinated biphenyl (PCB) inspections
- Hazardous materials registers and compliance audits
- Support for planning applications and construction risk management
- Project management of remediation and abatement works
Online Health and Safety Compliance Management
Mosaic is our proprietary all-in-one risk management and compliance platform that makes compliance easy.
- Instantly access and control your compliance records on any device
- Easily create, store, search and retrieve data
- Monitor performance against KPIs and simplify corporate reporting
- Predict and control maintenance costs with live information on asset health
- Easily manage access and tailor permission levels for teams and suppliers
- Customise to suit your site, portfolio, organisation, and obligations
- Store data on a secure cloud-based platform with multi-factor authentication
Occupational Hygiene
Expert assessment, monitoring, and control of workplace hazards to prevent ill health.
- Occupational exposure monitoring for dusts, fumes, vapours, biological agents
- Local exhaust ventilation (LEV) testing and performance evaluation
- Workplace exposure analysis via UKAS‑accredited laboratories (silica, heavy metals, volatile organic compounds, etc.)
- Control recommendations aligned to Control of Substances Hazardous to Health (COSHH) and Health and Safety Executive exposure limits
- Strategic hygiene policy development and technical consultancy
