SBEM Calculations

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What are SBEM Calculations?

SBEM means Simplified Building Energy Model. They are design calculations that measure the energy required to heat, ventilate and light a building over a 12 month period.

SBEM calculations are a requirement for any new commercial or non-domestic buildings. Building control regulations demand an SBEM assessment in order to commence work on-site.

SBEM calculations were brought in as part of the UK Building Regulations in 2006. SBEM is the Simplified Building Energy Model and has been introduced as a way of regulating the standards of energy efficiency in new builds. It is therefore pushing developments towards being ‘greener’ and more sustainable

Does my building need SBEM Calculations?

SBEM Calculations are required at planning stage and they are submitted to show that the building meets the Target Emission Rate for energy efficiency.

Some examples of commercial buildings that require SBEM Calculations are:

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Energy Cert Scotland provide property services across the whole of Scotland. We operate from a number of offices, and our fully certified assessors can visit your location anywhere in Scotland.

property services across Scotland

Do I need SBEM Calculations?

If you are applying for building control you will need SBEM Calculations as part of your building warrant application. If your commercial building is above 50m² then your SBEM calculations must pass requirements for Building Regulations Section 6 in Scotland. This requirement also applies to extensions and renovations as well as new builds.

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The assessment includes taking photos of and evaluating a variety of things including the building features, lighting, heating, windows and floor plan.

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SBEM Calculation FAQs

Everything you need to know about SBEM calculations:

What are SBEM Calculations?

SBEM means Simplified Building Energy Model. This model performs calculations which provides an analysis of a building’s energy consumption. The model can be used to measure the energy efficiency of commercial and non-domestic buildings and provide information to generate the Energy Performance Certificate.

SBEM calculations were brought in as part of the UK Building Regulations in 2006. SBEM is the Simplified Building Energy Model and has been introduced as a way of regulating the standards of energy efficiency in new builds. It is therefore pushing developments towards being ‘greener’ and more sustainable

SBEM Calculations are required at planning stage and they are submitted to show that the building meets the Target Emission Rate for energy efficiency. All new buildings must be well insulated and have the most efficient heating, cooling, lighting and ventilation systems. The energy required for this is then calculated over a 12 month period. The amount of carbon dioxide the building emits is also calculated before then assigning the building a numerical rating. The lower the rating, the more energy efficient the building is deemed.

How are SBEM calculations worked out?

SBEM Calculations compare the Building Emission Rate (BER) and Target Emission Rate (TER). Once the building is constructed the actual BER must not exceed the calculated TER.

To complete a SBEM the assessor will require full scaled plans, sections and elevations of the final or intended layout, as well as the specifications for heating, cooling, ventilation, hot water and lighting. They will additionally need details of the building fabric, together with information and certificates on air tightness and thermal bridging. If any renewable systems are to be installed, details of these will also be required.

Do I need SBEM Calculations?

SBEM calculations are required by all newly built commercial buildings with a floor area over 50m2 to prove they have been designed and built to comply with building regulations. These calculations ensure the building complies with Building Regulations Section 6. Some examples of commercial buildings that require SBEM Calculations are:

At what stage do I get SBEM calculations?

Ideally, SBEM calculations should be completed at the design stage. The earlier the process is done the better, as it will allow any changes to the original design of a building to be made in order for it to pass.

Do SBEM calculations involve a site visit?

No, an SBEM calculation can be done without visiting the site. An assessor will need full scaled plans, sections and elevations of the intended layout and details on the heating, cooling, ventilation, hot water and lighting.

Who can carry out my SBEM Calculations?

Valid SBEM calculations can be completed by a qualified Level 4 or 5 Energy Assessor.