Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Energy efficiency definition

What does Energy efficiency mean? Energy efficiency describes, in legal practice, achieving the same service or performance using less energy by cutting waste and improving the performance of buildings, plant and appliances (for example, better insulation, controls, heat recovery and higher‑efficiency equipment). The expression is descriptive rather than a single statutory definition, but legislation commonly refers to related concepts such as energy performance, energy savings and cost‑effective measures. It is a core issue in: - Real estate: Energy Performance Certificates (EPCs) and Minimum Energy Efficiency Standards (MEES) in England and Wales; Section 63 duties for certain non‑domestic premises in Scotland; EPC requirements in Northern Ireland;...

EPCs and MEES in commercial property: transactions, lease drafting, service charge, rent review and green clauses (England and Wales)

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Practice notes

Practical issues for commercial landlords and tenants—EPCs

This Practice Note explores key practical issues for commercial landlords and tenants when dealing with energy performance certificates (EPCs). It sits within a series of Practice Notes on EPCs and minimum Energy efficiency Requirements (MEES). An EPC assigns a property an energy efficiency rating from A (most efficient) to G (least efficient), using a complex assessment that considers factors such as the building’s age and type, its construction, insulation and heating systems. For more about what an EPC is and when one is needed, see Practice Note: Energy performance certificates (EPCs)—what are they and when are they required? The principal regulations governing EPCs are the Energy Performance of Buildings (England and Wales) Regulations 2012, SI 2012/3118 (EPC Regs 2012) and the Building Regulations 2010, SI 2010/2214 (Building Regs 2010), which implemented the requirements of the recast Energy Performance of Buildings Directive 2010/31/EU (recast EPBD directive). The EPC Regs 2012 apply to all buildings across England and Wales. Before the EPC Regs 2012, the Energy Performance of Buildings (Certificates and Inspections) (England and Wales) Regulations 2007, SI 2007/991 (as amended) implemented the original Energy Performance...

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Web page updated on 21/05/2026

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