This article outlines the Minimum Energy Efficiency Standards (MEES) for landlords, focusing on the current legal requirement of EPC Band E and the proposed target of Band C by 2030, including available support through the Boiler Upgrade Scheme (BUS) grant administered by Ofgem.
Landlords in England are currently subject to the Minimum Energy Efficiency Standards (MEES) regulations, which mandate that rental properties must meet a minimum Energy Performance Certificate (EPC) rating of Band E. This legal requirement aims to improve the overall energy efficiency of the private rented sector, promoting reduced carbon emissions and lower energy costs for tenants.
Current Legal Requirements: EPC Band E
As of now, all rented residential properties must have an EPC rating of at least Band E to comply with MEES regulations. Failure to meet this standard can result in enforcement actions including fines or restrictions on leasing the property. Landlords are advised to prioritise improvements in the fixed fabric of the building, such as insulation, heating systems, glazing, and fixed lighting, to enhance their EPC rating. It is critical to note that replacing appliances or white goods does not influence the EPC rating under UK regulations.
Proposed Target: Achieving EPC Band C by 2030
The UK government has proposed elevating the minimum EPC rating from Band E to Band C by 2030 for privately rented properties in England. This ambition reflects broader environmental targets and the drive to enhance energy efficiency as part of the UK’s net-zero carbon agenda. While this target is currently proposed and not yet enshrined in law, landlords should begin planning improvements early to ensure compliance when the legislation becomes effective.
Reaching Band C may involve more extensive upgrades than those required for Band E compliance. These can include upgrading heating systems to more efficient technologies or improving insulation standards significantly. Professional advice and comprehensive energy assessments will be essential to identify the most effective measures for each property.
Financial Support: Boiler Upgrade Scheme (BUS) Grant
To assist landlords in meeting these ambitious targets, the Boiler Upgrade Scheme (BUS) grant, administered by Ofgem, offers financial support of £7,500 towards the installation of eligible low-carbon heating systems. This grant is specifically designed to incentivise the replacement of fossil fuel boilers with renewable alternatives such as heat pumps and biomass boilers, which significantly improve the property’s energy performance and contribute to higher EPC ratings.
Eligibility and application details for the BUS grant should be verified directly with Ofgem, as specific criteria and conditions apply. Landlords should also be aware that while this grant supports heating upgrades, other recommended improvements may still require separate investment.
Strategic Considerations for Landlords
Landlords should proactively manage their EPC compliance strategy by investing in thorough energy assessments and prioritising cost-effective measures that yield the greatest improvement in EPC ratings. Early action is advised to avoid penalties and to ensure eligibility for available financial assistance schemes such as the Boiler Upgrade Scheme.
It remains important to monitor developments in energy regulation to understand when Band C requirements will become mandatory and how best to align property upgrades with these timelines.

