GreenRock Energy

Building a Smarter,
Greener Future for Energy Compliance

For over 20 years, we have helped both commercial property owners and managers with their building energy challenges to find efficient and cost-saving solutions.

Get to know us

About Us

At GreenRock Energy, we empower commercial property owners and landlords to navigate complex UK energy regulations, ensuring compliance, reducing operational costs, and future proofing assets against tightening MEES regulations.

How We Make an Impact

Our Expertise

GreenRock Energy is the leading provider of high-quality Commercial Energy Performance Certificates, Energy Improvement Modelling & TM44 Air Conditioning Inspections.

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Combined Years of Experience

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Client Compliance Rate


Quality is at the core of our work

Quality Commitment

We uphold the highest standards of quality and data accuracy, ensuring every outcome is reliable and compliant. Through continuous monitoring of evolving regulations, we keep our clients informed and ahead of emerging requirements. 100% of our EPCโ€™s are audited by our internal QA team prior to lodgement to ensure a rating our clients can depend on.


Meet Some of the team

The Experts Behind Our Energy Solutions.

Theyโ€™re the force behind our quality, compliance, and client success.

Our Apporach

More Than Compliance: A Strategy for Value

  • Client Engagement

    To ensure the most accurate pricing, where possible please provide the buildingโ€™s location (post code), floor area, and any relevant documents (e.g., specs, floor plans). You can also share EPC schedules and entire databases and then leave the rest to us to arrange times and dates suitable with all parties involved.

  • Site Visit and Data Collection

    A qualified Non-Domestic Energy Assessor will conduct a non-intrusive survey of the propertyโ€™s layout, lighting, Heating Ventilation and Air Conditioning (HVAC) systems and any other data that can influence the EPC rating.

  • Assessment and Analysis

    The data is input into accredited EPC software, where the energy efficiency rating is calculated using standardized methodologies.

  • Quality Assurance Process

    The QA team reviews all the evidence collated by the Energy Assessors both on-site and in the office.

  • Energy Performance Certificate Generation

    The QA team reviews all the evidence collated by the Energy Assessors both on-site and in the office.

  • Certificate Delivery

    The EPC is provided to the client in digital or printed format and registered with the National EPC Register.

  • EPC Improvement Modelling

    Guidance on both the default energy improvements generated by the EPC software and the full compliance Modelling, can be provided along with additional energy consultancy services to ensure the best achievable EPC rating.

  • Reassessment and Confirmation Visit

    A follow up site survey is conducted to verify any energy efficiency updates and revise the energy rating based on implemented compliance recommendations.

Optimize Your Buildingโ€™s Energy
Performance