Commercial EPCs Level 3 & 4 Assessments for All Non-Domestic Properties

From offices and retail units to warehouses, hotels and industrial premises our accredited assessors deliver commercial EPCs across the UK. Trusted by major operators including Euro Garages, BP, Shell, Esso, Starbucks and Subway.

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Technical Assessment Levels

We provide specialized modeling for all commercial property complexities, from simple office units to complex HVAC systems.

CIBSE Accredited Engineers
SBEM Compliance Testing
STANDARD COMPLEXITY

Level 3 Assessments

Suitable for small to medium commercial premises with simple heating and cooling systems (typically Split Systems or simple central boilers).

DATA PRECISIONHIGH
SYSTEM TYPEPACKAGE / CENTRAL
TYPOLOGYRETAIL / OFFICE
HIGH COMPLEXITY

Level 4 Assessments

Mandatory for buildings with complex HVAC systems, central air conditioning, or multi-zone environments requiring intricate SBEM modeling.

DATA PRECISIONCRITICAL
SYSTEM TYPEVRV / AHU / CHILLERS
TYPOLOGYMALLS / HOSPITALS

The Assessment Protocol

01

On-site Survey

Rigorous geometric measurements and HVAC system inspections.

02

Thermal Modeling

Building data input into SBEM software using IES Virtual Environment.

03

Draft Review

Preliminary results shared to ensure all building improvements are captured.

Lodgment

Final certificate issued and uploaded to the national EPC register.