Waste Assessments & WM3 Classification

Fast, reliable waste classification to unlock disposal routes, control cost and keep programmes moving.

Supporting 250+ projects, clients and councils across the UK

01. Our Difference

Waste classification focused on decisions, not just data.

Waste assessments and WM3 classifications undertaken to determine how excavated materials and demolition arisings must be managed, treated or disposed of, providing the technical certainty required to procure outlets, instruct contractors and avoid programme disruption.

Waste assessments sit at the point where ground risk, procurement, logistics and programme all meet.

We delivery WM3 services with a clear understanding that waste classification must produce usable commercial outcomes. By providing data early, we enable:

Alongside sampling and classification, we provide practical support to help teams navigate disposal options for non-standard, borderline, or difficult materials.

Through an established network of waste facilities and treatment providers, we support clients in identifying realistic, compliant outlets, moving beyond theoretical classifications to deliver actionable disposal solutions.

For project specific advice

02. Why Clients Rely On Us

A delivery-focused approach to WM3 assessments.

Rapid Mobilisation

Site attendance is arranged quickly to support enabling works and construction programmes.

Flexible Laboratory Strategy

Testing programmes are designed around programme needs, with standard, expedited and priority laboratory options available.

Outcome-Led Classification

Results are interpreted in the context of disposal, treatment and reuse feasibility.

Procurement and Disposal Support

We assist in identifying suitable facilities, waste routes and documentation requirements, particularly for complex wastes.

03. Highlights

Certainty and speed in every phase of planning.

Planning Conditions Supported
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First-Time Approval Rate
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Until Your First Draft Lands
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04. The Detail

What is a WM3 waste assessment?

A WM3 waste assessment is the industry-standard process for classifying excavated soils, made ground, and demolition arisings. By integrating strategic sampling with rigorous lab testing, we determine whether materials are legally categorized as Hazardous or Non-Hazardous, providing the technical basis for your material management strategy.

A well-delivered WM3 assessment removes the guesswork from site logistics. It provides absolute certainty on what can go where, under what conditions, and at what cost.

What our waste assessments typically include

While we tailor every scope to the specific project and material type, our assessment packages provide everything needed to secure disposal outlets and fix costs.

05. Our Support

Where a WM3 assessment fits within your project

Waste assessments often sit directly on the critical path of most development programmes.

We provide the technical certainty needed at every milestone to ensure material management never stalls your progress.

Pre-Demolition & Enabling Works

Early classification of arisings to provide accurate data for tender pricing and disposal strategy planning.

Construction & Earthworks

Ongoing waste assessment support to manage surplus soils and adapt to changing ground conditions as they are encountered.

Remediation & Treatment

Technical classification to support the selection of treatment technologies, manage waste movements, and provide final verification.

Commercial & Procurement Support

High-level technical input to assist with facility selection, verify haulier compliance, and optimise waste routing.

06. Our Process

From sampling to disposal support.

1

Rapid Scoping

Review of material context and programme drivers to design a sampling plan that meets both regulatory requirements and your disposal objectives.

2

Site Attendance & Testing

Our engineers mobilise quickly to sample soils, made ground or arisings, using WM3-compliant lab testing with turnaround options suited to your project.

3

Interpretation and Classification

A formal technical review that definitively classifies your waste as Hazardous or Non-Hazardous.

4

Disposal & Procurement Support

Advice on waste routes, movement documentation, and engaging with potential facilities to secure your outlets.

Contact Us

We provide the expertise to simplify complex challenges for faster approvals of tough planning requirements.

07. Testimonials

Don't just take our word for it.

08. Frequently Asked Questions

Your questions answered.

Still have any questions about waste assessments, WM3 classifications or planning?

We prioritise rapid mobilisation and will agree site attendance based on programme urgency. We can get to site the same day where required, depending on your location.

Standard, expedited and priority turnaround options are available depending on programme needs.

Yes. We regularly support projects dealing with complex, borderline or atypical wastes and assist in identifying suitable disposal or treatment routes.

Yes. We provide technical support to assist with waste facility engagement and documentation.

Yes. Accurate waste classification is the first step in any reuse or Materials Management Plan (MMP). By identifying clean or treatable fractions, we help you maximise on-site recovery and minimise off-site disposal volumes.