Types of hazardous waste in construction
Hazardous waste in construction includes materials such as asbestos, contaminated soil, solvents, hazardous paints, electrical waste and PCBs that pose risks to human health and the environment.
Construction businesses that fail to manage hazardous waste correctly face legal penalties, project delays, environmental damage and reputational risk.
Table of contents
What is hazardous waste in construction?
Hazardous waste in construction is any material that contains substances harmful to human health or the environment and is legally classified under UK hazardous waste regulations.
Under the Hazardous Waste Regulations 2005 and the Environmental Protection Act 1990, construction businesses must:
-
Classify waste using List of Waste codes
-
Store hazardous waste separately
-
Use licensed waste carriers
-
Complete hazardous waste consignment notes
-
Send waste to authorised facilities
If a material is toxic, flammable, chemically reactive or environmentally persistent, it may be hazardous.
Why hazardous waste management matters in construction
Construction projects frequently disturb legacy materials and contaminated land. This makes hazardous waste risk higher than in many other industries.
Unmanaged hazardous construction waste can:
-
Contaminate soil and groundwater
-
Release toxic fibres or vapours
-
Harm workers and nearby communities
-
Trigger enforcement notices and fines
-
Delay planning or handover
Key data point:
The construction sector generates approximately 62 percent of total UK waste. Even a small percentage classified as hazardous represents significant environmental and compliance risk.
Hazardous waste management is therefore not just a compliance exercise. It protects people, projects and brand reputation.
Main types of hazardous waste on construction sites
Asbestos
Common in buildings constructed before 2000, asbestos was used for insulation and fireproofing.
Risks include:
-
Mesothelioma
-
Lung cancer
-
Asbestosis
Removal must be carried out by licensed contractors under the Control of Asbestos Regulations 2012.
Contaminated soil
Brownfield developments often uncover soil contaminated with:
-
Hydrocarbons
-
Heavy metals
-
Industrial chemicals
-
Asbestos fragments
Treatment options include soil washing, stabilisation or licensed disposal.
Solvents and volatile organic compounds
Solvents used in cleaning and painting often contain volatile organic compounds.
Risks include:
-
Air pollution
-
Fire hazard
-
Worker exposure
Solvent recovery through distillation can reduce disposal volumes.
Paints, adhesives and resins
Many coatings and bonding agents contain hazardous components. Even empty containers may require hazardous classification.
Proper segregation and dedicated collection streams are essential.
Electrical waste and batteries, WEEE
Construction equipment generates electrical waste containing:
-
Lead
-
Mercury
-
Lithium
-
Cadmium
WEEE is regulated and often linked to Extended Producer Responsibility obligations and requires organisations to comply when managing WEEE waste.
How hazardous waste should be managed on site
Best practice hazardous waste management in construction includes:
-
Early site audits and surveys
-
Clear waste segregation zones
-
Proper labelling and containment
-
Weather-protected storage
-
Licensed transport
-
Full documentation and traceability
Partnering with a specialist ensures compliance while identifying recovery opportunities.
Can hazardous construction waste be recycled?
Yes, many hazardous materials can be treated or recovered safely.
Common methods include:
-
Solvent distillation
-
Soil remediation
-
Metal recovery
-
Thermal treatment
Recycling hazardous waste reduces landfill exposure and preserves material value.
How hazardous waste links to the circular economy
Traditional waste management focuses on safe disposal.
A circular construction approach focuses on:
-
Designing out hazardous substances
-
Substituting safer materials
-
Extending product life
-
Recovering valuable materials
Circular thinking reduces risk, lowers cost and strengthens ESG performance.
What happens if hazardous waste regulations are breached?
Breaches of hazardous waste regulations may result in:
-
Fines
-
Enforcement notices
-
Criminal prosecution
-
Project shutdowns
-
Reputational damage
Construction is highly visible. Environmental non-compliance can affect future tender opportunities and stakeholder trust.
Final summary and next steps
Hazardous waste in construction includes asbestos, contaminated soil, solvents, hazardous paints, electrical waste and PCBs.
To manage it effectively, construction businesses must:
-
Identify hazardous materials early
-
Segregate and store correctly
-
Use licensed carriers
-
Maintain full documentation
-
Prioritise recovery where possible
Hazardous waste management is not just about avoiding penalties. It is about protecting people, preserving resources and building responsibly.
At Reconomy, we help construction businesses move from reactive waste disposal to proactive circular strategy.
See our hazardous waste servicesFAQs: Types of hazardous waste in construction
Asbestos, contaminated soil, solvents, hazardous paints, PCBs and certain electrical waste are commonly classified as hazardous under UK law.
Yes. Hazardous waste must be transported by licensed carriers and sent to authorised treatment facilities with consignment documentation.
In some cases, yes. Soil washing and stabilisation can make reuse possible, subject to environmental approval.
Conduct early surveys, segregate properly, use licensed partners and adopt circular material selection strategies.
Reconomy provides end-to-end hazardous waste management solutions, including asbestos removal, solvent recycling, contaminated soil treatment, and compliance support.
Speak to our hazardous waste experts
Please complete the details below and one of our team will contact you shortly.