SBEM Calculations in Portsmouth for your new build commercial property

We calculate the compliance of your new build commercial property with Part L Building Regulations.

Call us now on 0333 772 7398 or click to Email Us

What is an SBEM Calculation?

SBEM Calculations (Simplified Building Energy Model) is a tool that is used to analyse the compliance of your new non-domestic building with Part L of the building regulations (England and Wales) and equivalent regulations in Scotland, Northern Ireland.

The SBEM calculations process is put together by looking at the proposed buildings use of materials, heating system, cooling, hot water, ventilation and lighting services. In addition to this the calculation also looks at what renewable energy sources have been used, such as solar photovoltaic, solar thermal, ground/air-source heating.

Once this data is modelled in our government approved software, we can provide an accurate understanding of what the buildings energy performance and carbon emissions will be. This result is measured against a notional building of the same dimensions hopefully allowing good and innovative design to prevail. By collectively measuring the fabric, services, lighting, renewable and low carbon technologies to a notional building we can allow for some compensation between the different elements.

Who needs SBEM Calculations?

SBEM Calculations are a mandatory requirement for any heated new build commercial property which exceeds 50m2 in size. In addition to new build commercial buildings some renovation and extension projects will require an SBEM calculation as well.

Design Stage:
Building control will require a design stage SBEM calculation to be submitted at the same time as your building regulation application. Building control will not let the building commence without receiving both documents.

As-built stage:
Building control will require both the design stage SBEM Calculation and Commercial EPC once the building has been constructed. Building control will unlikely sign the building off without both documents

Are you looking for SBEM Calculations Portsmouth?…

Our SBEM Process

Schedule your EPC

Schedule your EPC

We work 24/7 to suit your needs and book appointments to suit your busy schedule. Including evening and weekends appointments.
Assess your plans & specifications

Assess your plans & specifications

Assess your plans and specifications and make recommendations if applicable.

SBEM design stage calculations

SBEM design stage calculations

Complete the Design Stage SBEM Calculations.

Guidance for pass (if applicable)

Guidance for pass (if applicable)

If required, we will provide guidance to help you achieve a pass.

Complete the SBEM calculations & EPC

Complete the SBEM calculations & EPC

Complete the As-Built SAP Calculations and EPCs

The documents

The documents

Supply you with all SBEM documents to meet your deadlines.

  • great experience!

    Abbey Mundy

    Brilliant service-online enquiry was picked up within minutes and booking was made within 30 mins of my original enquiry. Communication was clear and option to pay invoice by card... read more

    Cheryl Strutt

    Excellent company from start to finish, the assessor Sam Guest was professional and succeeded in fulfilling our needs in a timely manner. We were pleased that the job was complete... read more


    Brilliant service-online enquiry was picked up within minutes and booking was made within 30 mins of my original enquiry.

    Communication was clear and option to pay invoice by card made the... read more

    Cheryl Strutt
  • Quick & efficient service, certificate received quickly. Sam was very friendly & knowledgeable. Would use again.

    Hannah K

    Nice chap, professional & efficient. Thanks!


    Quick response and excellent communication throughout.

    Ben Riley

    friendly, prompt service, would recommend

    lesley poole
  • We had our EPC evaluation done recently. The gentleman Ross who we have contacted booked us in quickly in slot that was ideal for us. The evaluation went well and... read more

    Joanna Gorzolka

    Brilliant service. Couldn't have provided a better service! We would thoroughly recommend.

    Rory Brennan

    Sam was great, we called up and he fitted us in so quickly!! Couldn't reccomend him more!

    Amy Brennan

    Fantastic , well organised serviced , from initial enquiry to the epc being carried out , time and date arranged, Ross , was on tine , friendly and helpful ,... read more

    Mark Badman
  • Great service, very professional and polite. They fitted me in quickly and turned up on time. Got the EPC that day. Will definitely be using them again for other properties

    Pandora Blackwell

    Excellent company, friendly, polite and very efficient/fast service. Would highly recommend.

    Kelly Parsons

    Very friendly and easy to deal with, one phone call to make arrangements, they came on time, and I had my certificate that evening.

    Robert harrison

    Fast and professional service with certificate available within hours of the survey. Very impressed.

    Chris Aylott

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Sound Testing

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Sound testing is used to measure the compliance of your new build, refurbishment or conversion project with Part E of the building regulations.