Overheating Risk Assessments

Need an Overheating Risk Assessment? From June 15 2022 it will become a legal requirement for developers in England, Wales and Scotland to show they have mitigated the risk of Overheating in new build dwellings. Get a quote using the form below.

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High rise apartments

What is Overheating?

Overheating occurs in buildings when indoor temperatures are too high for the health, welfare or comfort of occupants. The government has become increasingly concerned about Overheating, particularly in flats and buildings located in Greater London.

Why do I need an Overheating Risk Assessment?

Overheating Risk used to be assessed within Part L of the Building Regulations, however the government has now given Overheating its own Approved Document within Building Regulations (Part O).

By law all new dwellings will require an Overheating Risk Assessment. Currently this falls into two categories: the Simplified Method and the Detailed Method, using Dynamic Thermal Modelling based on CIBSE TM59. It is expected that most flats will require Dynamic Thermal Modelling assessments with the likelihood that other dwellings in high risk locations of Greater London may too.

Our expert consultants will be able to determine which method is more appropriate for your project, working with you from design stage through to completion to ensure the risk of Overheating has been mitigated.

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