Welcome to Compliant EPC, your trusted partner in building compliance and energy efficiency. Our TM59 Overheating Assessment service ensures that your residential or commercial properties are designed to provide comfort while meeting regulatory requirements. Our expert team is dedicated to helping you achieve optimal thermal performance and mitigate the risk of overheating, adhering to the latest standards and best practices.
TM59 is a technical memorandum published by the Chartered Institution of Building Services Engineers (CIBSE). It provides a comprehensive framework for assessing the risk of overheating in new and existing buildings. The assessment evaluates whether a building’s design and performance will maintain comfortable temperatures for occupants throughout the year, especially during heatwaves and periods of intense solar gain. For many residential schemes, however, this level of simulation is not always necessary, as glazing, ventilation, and dwelling layout fall within the prescribed limits of Approved Document O, explaining when the Part O Simplified Method can be used instead of TM59 modelling.

Expertise and Experience
Our team of qualified engineers and energy assessors are well-versed in TM59 guidelines and possess extensive experience in conducting thorough overheating assessments. We ensure that your property meets all necessary criteria for comfort and compliance.
Tailored Solutions
At Compliant EPC, we understand that each building is unique. We provide customized assessments and solutions based on your property’s specific characteristics, usage patterns, and climatic conditions. Our approach ensures that recommendations are practical and effective.
Comprehensive Reports
We deliver detailed, easy-to-understand reports outlining our findings, including risk assessments, recommendations for mitigating overheating, and strategies to enhance thermal comfort. Our reports help you make informed decisions and meet regulatory requirements.
Regulatory Compliance
Ensuring compliance with building regulations and standards is crucial. Our TM59 Overheating Assessment service helps you adhere to the latest codes and guidelines, preventing potential legal and financial issues related to non-compliance.
Sustainable Design
We promote sustainable building practices by identifying opportunities to integrate passive and active cooling strategies. Our assessments contribute to energy efficiency and environmental responsibility, aligning with your sustainability goals.
Overheating in buildings can lead to discomfort, reduced productivity, and potential health risks for occupants. In extreme cases, it can also cause damage to building materials and increase energy consumption.
Conducting a TM59 Overheating Assessment helps mitigate these issues by ensuring that your building remains comfortable and energy-efficient year-round.
Ready to ensure your building meets the highest standards of thermal comfort? Contact Compliant EPC today to schedule your TM59 Overheating Assessment. Our team is here to provide expert guidance and support every step of the way.
Compliant EPC – Ensuring Comfort and Compliance for a Sustainable Future.
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