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Modern Office Building

Design & Construction

Commercial buildings

New commercial buildings require an SBEM calculation. This stands for ‘Simplified Building Energy Model’ and is the government approved methodology for complying with Part L2 of the Building Regulations.

Fully accredited through Elmhurst Energy as a Level 4 Non-Domestic Energy Assessor, we provide SBEM calculations for new commercial building types, including offices, retail units, warehouses, education and healthcare buildings.

We can also carry out SBEM calculations for ‘multi residential’ buildings such as care homes or student accommodation.

An SBEM calculation may also be required if you are planning a large extension to a commercial building.

We use the latest Design Builder software to construct a 3D model of your building, this helps to make our calculations faster and more accurate. We recommend you commission the SBEM calculations early on in the design process to ease the process of achieving compliance.


Our services include:


  • SBEM calculations for new buildings and extensions

  • BRUKL reports for Part L2 compliance

  • EPCs for new and existing commercial buildings

We can help with

SBEM calculations

BRUKL reports

Part L2 compliance

EPCs for commercial buildings

Industrial Building


'We found Resolution Energy by chance online, but could not have done better. Amazing service with clear answers to questions and lots of great guidance. Our work was completed on time to a great standard.'


Ashley Winston

on behalf of Britannia Property Investment

'Prompt, precise, good communication and was able to provide a quick turnaround. I would 100% be using Claire again for any future projects. Thank you for all your help'


Cedarwood, Romsey

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