About Us | TM59 Overheating Expert | Part O Compliance Specialists UK
TM59 Overheating Specialist - Professional thermal assessment team
About Us

Specialist TM59 & Overheating Assessors

UK-based overheating specialists trusted by architects, developers & planning consultants. Expert Part O compliance from Elmhurst-certified assessors.

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Team meeting

Our Mission

We believe that comfortable homes shouldn't come at the cost of architectural vision. As Part O regulations tighten, we stand as the bridge between creative design and technical compliance.

Expertise

Founded by Environmental Economics, a collective of senior energy consultants.

Innovation

Pioneering the use of dynamic thermal modelling to solve complex overheating risks.

Trust

Elmhurst Certified assessors working to the highest industry standards.

Why Developers Choose Us

We don't just run software. We provide solutions.

Speed & Accuracy

We understand that construction waits for no one. Our processes are optimized for rapid turnaround without sacrificing precision.

Design-Led Thinking

We think like architects. We look for mitigation strategies that preserve your facade, layout, and aesthetic intent.

Cost Effective

Over-engineering leads to expensive glazing and cooling systems. We find the sweet spot between compliance and cost.

Our Assessor Credentials

Quality and competence matter when it comes to overheating assessments. Here's why you can trust our team.

Elmhurst Overheating Competency Scheme

All our TM59 assessors are certified under the Elmhurst Overheating Competency Scheme, the industry-recognised accreditation for overheating risk assessments in the UK.

Learn About Elmhurst Scheme →

Verified Competence

Specialist training in dynamic thermal modelling and TM59 methodology

Professional Standards

All work conducted to CIBSE and industry best practice guidelines

Quality Assurance

Professional templates developed in partnership with NHBC

Building Control Ready

Reports prepared to meet regulatory submission requirements

Lead Consultants

The experts behind your compliance.

MC

Matt Cooke

Consulting Team Leader

Leads our dynamic modelling team with a focus on technical precision and practical compliance strategies for complex residential developments.

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Employee

Principal Consultant

Specialist delivering robust TM59 assessments with clear compliance advice for residential developments.

Ready to secure compliance?

Send us your drawings today for a free review and quote. No obligation, just expert advice.