Certification

At RJ Energy, we provide a coordinated approach to Building Regulations compliance, sustainability targets and energy performance certification. We work on a range of projects from self build properties and domestic extensions, through to large scale residential new build and commercial buildings.

SAP Calculations

A SAP Calculation (Standard Assessment Procedure) is used to work out the energy performance of a dwelling and is required for all new builds, as well as conversions and many extensions.

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SBEM Calculations

SBEM calculations are used to demonstrate the energy performance of new and existing non-domestic buildings.
SBEM, which stands for 'Simplified Building Energy Model' is a Government approved method used to calculate the level of energy required to heat, cool, ventilate and light commercial premises.

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Dynamic Simulation Modelling

Dynamic Simulation Modelling is a requirement for the energy assessment of complex commercial buildings and is increasingly being used for residential buildings to provide highly accurate thermal models

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Water Efficiency Calculations

Water Efficiency Calculations are used to measure compliance with water efficiency targets for new build dwellings and conversions. These calculations are used to ensure compliance with Part G of UK Building Regulations where a maximum water use of 125 litres per person is required.

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