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What Are SBEM New Build Calculations?

You must be familiar with the SBEM new build calculations if you plan to build a house. These calculations are similar to SAP calculations and are used to assess the energy and carbon dioxide emissions of a building. These calculations give an SBEM score that ranges from 1 to 100 based on the energy efficiency of a building. The more high the SBEM rating the more energy efficient the building is. If your building meets the requirements for the SBEM rating, it will be approved by Part L of Building Regulations.

As-Built SBEM calculation

The As-Built SBEM calculation, which is similar to the SAP calculation, is used to measure carbon dioxide emissions and energy consumption of buildings. It calculates a rating on a scale from one to 100 which is higher with a higher score indicating a more energy efficient building. The SBEM calculation determines if the building is compliant with Building Regulations Part L.

Calculations are required for new construction renovations, extensions, and in some cases extensions to existing structures. The calculations take into consideration the dimensions, orientation, and geometry of the structure. They also consider the energy needs for heating and ventilation as well as lighting. They also estimate the carbon dioxide emissions prior to when a building is rated.

The As-Built SBEM calculation is a part of the Energy Performance Certificate (EPC). It permits the prediction and analysis of the energy and CO2 emissions of buildings. An EPC is required in Northern Ireland for non-dwelling commercial premises. In addition to being a proof of compliance with Building Regulations, it is also used to conduct energy audits and design approvals.

Design stage SBEM calculation

There are many types of SBEM calculations, based on the nature and type of the project. New construction projects will require reports at the design stage and when they are completed, whereas extensions and conversions will include notional reports and proposed reports. The final SBEM calculation will be presented to building control for final approval. If you are planning to conduct an SBEM calculation for your next project, it's important to be aware of how to apply the concepts to your specific project.

The primary goal of an SBEM calculation is to identify and reduce the carbon and energy footprint of a new building. It is an essential part of any Building Warrant application. Construction can only begin if it is completed. Commercial SBEM calculations can be used to determine the amount of carbon emissions a structure will create and how efficient it will be in terms energy consumption. The result of the SBEM calculation can help with the design process and the construction process.

As-Built-As-Designed SBEM calculation

The SBEM calculation is a government approved method for assessing the energy efficiency of a building. It calculates energy and CO2 emissions for a 12 month period. It is required for all new non-domestic buildings in England and Wales. It is also required for certain extensions to existing buildings. This calculation is required prior to and after construction.

The SBEM calculation is required for domestic and non-domestic structures. Domestic structures include houses as well as holiday cottages that are let out for 140 days or more. https://briaryenergy.co.uk/sbem-calculations/ and hotels are non-domestic buildings. The calculation assumes different use assumptions for the building, its facilities, and occupancy.


A certified energy assessor must carry out the SBEM calculation in order to make it valid. The energy assessor also has to complete an EPC at the end of the project. The SBEM calculation must be in line with all the standards set by the building control body.