Precision. Compliance. Confidence.
O-Reg Thermal was created to provide a smarter, more reliable approach to overheating compliance and dynamic thermal modelling.
As Part O regulations become increasingly critical in UK construction, we support developers, architects, and consultants with clear, accurate, and actionable analysis.
Our Approach
We go beyond basic calculations.
Every project is delivered with:
- Accurate modelling using industry standards
- Clear, professional reporting
- Practical design recommendations
- Fast and reliable turnaround
What Makes Us Different
- We focus on solutions, not just compliance — helping you move forward without delays, redesigns, or uncertainty.
Why Choose O Reg Thermal
Discover how we guide you through tailored thermal dynamic modelling to ensure your building meets TM59 and Part O standards.
Assessments from £450
Cost-effective, consultancy-grade analysis.
Proven compliance
Accurate modelling aligned with Part O and TM59.
Discover Our Thermal Dynamic Expertise
Learn how our consultancy ensures building compliance with TM59 and Part O through expert thermal dynamic modelling and analysis services.
Overheating Analysis
Comprehensive assessments to prevent excessive indoor temperatures, ensuring occupant comfort and regulatory compliance using the simplified method.
Dynamic Thermal Simulation
Advanced simulations that predict building performance under varying conditions to optimize design decisions.
Energy Modelling Services
Detailed energy consumption forecasts to support sustainable development and efficient building operation.