Simple Part O

Simple Part O is a web-based tool designed to simplify Part O (Overheating) Simplified Method calculations for energy assessors, architects, and housebuilders.

The software removes the need for spreadsheets and manual workarounds by automating glazing, ventilation, and shading calculations, while keeping the Approved Document O methodology unchanged. It is built by a practising energy assessor with over 20 years’ experience and is focused on reducing admin time rather than changing professional judgement.

This channel includes:

How-to guides for using Simple Part O

Walk-through demonstrations of Part O calculations

Practical examples covering multi-plot projects, design iteration, and complex window configurations

Whether you’re new to Part O or dealing with it regularly, these videos are intended to show how the software works in practice and how it can fit into real-world workflows.

To learn more about the software, visit:

👉 https://www.simpleparto.co.uk