Simplified-method assessments or dynamic thermal modelling using CIBSE TM59, coordinated with glazing, shading and ventilation proposals. Part O applies to new residential buildings in England; other overheating studies can be separately scoped.

What to send

Location, plans, elevations, orientation, glazing properties, shading, opening areas and ventilation strategy.

Typical deliverable

Overheating assessment report, assessed assumptions and recommendations where changes are needed.