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Minimum Energy Efficiency Standards (MEES)

Are you complying with the Minimum Energy Efficiency Standards?

The Energy Efficiency (Private Rented Property) (England and Wales) Regulations 2015, commonly known as the Minimum Energy Efficiency Standards, or MEES, are a set of legal requirements that aim to improve the energy efficiency of commercially-rented properties across the UK.

Our five stage approach to compliance with MEES is based on 20 years’ experience of assisting building owners and occupiers with their regulatory obligations. We work with a wide range of businesses, identifying and delivering the most appropriate route to compliance based on their specific needs.

1. Assessing eligibility

We can assist in reviewing your building portfolio to determine your risk of non-compliance. 

2. EPC Benchmarking Dashboard

To help assess your potential risk exposure to MEES our interactive EPC Benchmarking Dashboard visualises the EPC ratings of the UK’s non-domestic building stock.

By selecting attributes relating to your buildings you can view the EPC profile of comparable buildings and see the principle factors affecting EPC performance, understand the likelihood of a property being substandard and see how properties perform in your local area.

(Source: Department for Communities and Local Government open data).

3.  Complete and finalise your EPC portfolio

Where EPCs are in place (and up to date) we will attempt to source the original data files used to create them. Where no EPC exists we will arrange a well scoped assessment taking into consideration the wider context of your objectives.

4. Scenario modelling

Utilising the data files from your now complete portfolio of EPCs, we make use of cutting edge data analytics and visualisation tools to map out your network of properties and visualise the potential impacts of various energy efficiency improvements.

5. Workshop and next steps

Once your MEES assessment is complete we will invite you to a workshop in which we will present our findings and recommendations for achieving compliance. In an open discussion we can also provide advice on approaching contractors and the ongoing data management, maintenance and storage of files.

Under MEES a landlord cannot renew or grant a new tenancy of longer than 6 months if their property has an Energy Performance Certificate (EPC) rating of ‘F’ or lower.

The Government’s impact assessment for the regulations suggests there are 1.2 million commercial private leases in the UK. The compliance status for every one of these will need to be confirmed to future proof landlords and tenants from the regulations enforced in 2018 and 2023.

From April 2018 legislative changes in the Energy Act 2011 bring MEES into effect. The changes to the Act will make it unlawful for commercial landlords to let/sublet properties in England & Wales with the two lowest EPC ratings of F and G, subject to certain exemptions.

If you are managing or letting a private property with an EPC rating of F or G you will need to take action to raise the energy efficiency of the property before granting a new lease.


Sustain have delivered a quality programme of 36 EPCs with costed options appraisal for achieving compliance with the MEES as well as an attractive return on investment. They are really easy to work with and always deliver against project objectives. I look forward to continuing to work with them on improving the performance of our buildings.- Ian Gough - Energy Officer, Wokingham Borough Council
Following an EPC refresh and assistance with MEES compliance, we commissioned Sustain to build a tool to manage and analyse data across the portfolio and build the business case for programmes of ECMs. They delivered a detailed and comprehensive carbon management tool, which was nothing short of remarkable and will, I’m sure, be used by Unite for years to come in pursuit of our carbon reduction targets.- Gareth Chaplin - Unite Students

Related Content

MEES two page guide image

Read our two page guide to MEES to find out how we can help you turn a regulatory obligation into an opportunity to build the foundation for data driven asset management. 

We recently hosted a webinar on how to deliver a successful MEES compliance project. If you weren’t able to join us for the live session why not listen again at a time that’s convenient for you?

Talk to us about complying with MEES