Energy and carbon

Greengage develops comprehensive energy strategies for projects and provides energy statements to support planning applications, including Part L compliance calculations to ensure a project meets energy efficiency targets.

We work with clients and design teams to ensure that the energy strategy not only complies with the relevant planning policy, but also provides the best solution for the specific needs of the project, prioritising strategies that will achieve the best results in operation.

We work with clients to ensure their buildings comply with the Government’s Minimum Energy Efficiency Standard (MEES), including expected upcoming changes to the regulations that would mandate all non-domestic rented properties to achieve an EPC B rating by 2030. As accredited energy assessors, we provide Energy Performance Certificates (EPCs) for residential and commercial properties. We also offer estate-wide assessments and can work within framework agreements to help organisations stay ahead of changing regulations.

We assess a building’s operational energy consumption, targeting specific energy use intensity (EUI) benchmarks in line with industry standards like LETI and UKGBC’s Net Zero Carbon Framework. Our iterative process provides design guidance to achieve operational energy targets, addressing and often exceeding regulatory requirements to ensure best practice performance.

We use dynamic thermal modelling to assess overheating risks for proposed buildings, adhering to standards such as CIBSE TM59/Approved Document O for residential buildings and CIBSE TM52 for non-residential buildings. We evaluate multiple scenarios to develop effective overheating mitigation strategies, including performance assessments for future weather conditions.

Greengage provides comprehensive support for projects seeking to achieve Passivhaus certification, a rigorous standard for energy efficiency and comfort in buildings. We offer design guidance and modelling using the Passive House Planning Package (PHPP), helping organisations navigate the complexities of Passivhaus requirements to create high-performance, sustainable buildings.

Greengage helps measure and reduce operational energy consumption in office buildings using NABERS. We conduct operational energy assessments for existing buildings, and for projects at the design stage using the NABERS Design for Performance methodology that includes detailed HVAC modelling.

We provide comprehensive renewable energy analysis to help integrate sustainable energy solutions into projects. Our recommendations are tailored to meet a project’s specific needs and goals, ensuring optimal performance and compliance with regulatory requirements.