Author: Building Performance Explained
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Operational Energy Modelling Guidance
The following guidance documents provide best-practice recommendations for operational energy modelling and building performance simulation. They cover topics such as modelling methodologies, assumptions, building physics fundamentals, operational profiles, performance targets and the interpretation of results. Together, they help building physicists develop more robust energy models and better understand how design decisions influence a building’s energy…
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NABERS UK: Guide to Design for Performance Version 1.1
The Design for Performance (DfP) Guide provides guidance on how to model, assess and manage a building’s operational energy performance throughout the design, construction and early operation stages using the NABERS framework. It covers topics such as energy modelling assumptions, occupancy and equipment profiles, HVAC operation, controls, metering, performance risks and post-occupancy verification. While developed…
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NCM Default U-Values for Existing UK, NI, SCO Buildings
What is a U-value? A U-value, also known as thermal transmittance, measures how easily heat passes through a building element such as a wall, roof, floor, window or door. U-values are expressed in W/m²K. Lower U-values indicate better insulation and improved energy efficiency. The database includes default U-values for walls, roofs, floors, windows, doors and…
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Welcome to Building Performance Explained
We created this site to make information about building performance, building physics, energy and sustainability easier to access and easier to understand. Like many people working in the built environment, we have often found ourselves trying to quickly understand a topic, check a concept, or make sense of guidance that was harder to follow than…
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