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SBEM (Simplified Building Energy Model) calculations are the standard for non-domestic building compliance in the UK. Whether you are planning a new office block, refitting a retail store or extending a warehouse, these calculations are legally required to prove your building meets carbon emission targets.
Who is this for? We support Architects, Commercial Developers and M&E Contractors in navigating Part L Volume 2 of Building Regulations.
Learn more about SBEM calculations and find answers to common questions in our FAQ section below.
Our expert sustainability consultants are a team of experienced, friendly, and knowledgeable professionals well-versed in building compliance. Get in touch today for a free consultation or competitive quote.
Why work with us?
Experience
Our team of sustainability consultants brings decades of combined expertise to your project. We don’t just understand the regulations; we understand how buildings actually work.
From high-street retail to large-scale industrial units, we have successfully navigated Part L compliance for every type of commercial property, helping clients build lower-carbon, energy-efficient assets.
Quality
We refuse to cut corners. While other assessors rely on software “defaults” that punish your score, we take the time to model your building’s specific geometry and systems accurately.
By reducing assumed data to the absolute minimum, we ensure your SBEM calculation reflects the true performance of your design—often saving you from expensive remedial work.
Speed
Project deadlines matter. We manage all data collection, modelling and reporting in-house – keeping your project moving without administrative delays.
We work to a standard two-week turnaround, with the majority of reports and certificates delivered well within that window.
Pricing
Our rate card prices for all services are reviewed regularly, so we’re confident that you won’t find a better service for a better price anywhere else.
If you think you’ve found one, we’ll either beat or match it.
Support
Navigating the complexity of Part L, decarbonisation and building regulation updates isn’t easy.
We’ve worked hard to explain a range of topics related to SBEM in plain English to help non-experts get the information they need.
Get Your SBEM Calculations Quote Today!
Looking for fast and reliable SBEM calculations in Bristol or nationwide?
Contact us today for a free quote and to discuss your specific project requirements. We offer competitive rates and prioritise fast turnaround times for all our clients.
Understanding SBEM Calculations: Your Questions Answered
We’ve compiled answers to the most common questions about SBEM calculations to help you navigate this essential part of your building project.
What exactly are SBEM calculations?
SBEM stands for Simplified Building Energy Model. It is a government-approved software method used to calculate the monthly energy required to heat, cool, ventilate and light a non-domestic building. It compares your “Actual Building” against a theoretical “Notional Building” to ensure you meet minimum carbon standards.
What technical data is used in an SBEM calculation?
To get an accurate rating, we need:
– Geometry: Floor plans, elevations and sections.
– Fabric: U-values for walls, floors, roofs and windows (G-values).
– Systems: Details on HVAC (Heating, Ventilation, Air Conditioning), lighting efficiency (lumens/watt) and hot water storage.
– Renewables: Any solar PV or heat pumps included in the design.
What are the main outputs of an SBEM report?
The primary output is the BRUKL Report (Building Regulations UK Part L).
– Design Stage BRUKL: Submitted to Building Control before construction to prove the design works.
– As-Built BRUKL: Submitted after construction to prove the building was built correctly. This is also used to generate your Commercial EPC.
When is an SBEM calculation a mandatory requirement?
You need one for almost all new non-domestic builds. You also likely need one if you are:
– Extending an existing commercial building.
– Fitting out a “shell and core” unit (First Fit-out).
– Changing the use of a building (e.g. barn to office conversion).
– Replacing a “thermal element” (like a new roof or HVAC system) in a large building.
Ready to certify your building?
Don’t let compliance hold up your handover. Contact us today for a free consultation and let’s get your project moving.
