Energy efficiency in the built environment

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Introduction

This is an overview of the key content to be found in our subtopic ‘Energy efficiency in the built environment’. It briefly explains the nature of this content and provides links to it.

For more information on other aspects of energy efficiency and buildings, see our subtopics:

  1. •

    Energy performance certificates and minimum energy efficiency requirements (MEES)—overview

  2. •

    Energy Savings Opportunity Scheme (ESOS)—overview

  3. •

    Feed-in Tariff scheme and Smart Export Guarantee—overview

  4. •

    Green Deal and ECO

  5. •

    Renewable heat incentive

Energy efficiency in the built environment

The following Practice Notes deal relate to energy efficiency in the built environment:

  1. •

    District Heating Networks in England and Wales: The evolving regulatory regime—summarises the regulatory issues associated with District Heating Network projects (in some contexts referred to as ‘communal heating’) in the UK. It includes discussion of the heat network market framework and heat network zoning provided for under the Energy

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Latest Environment News

Ofgem consults on heat networks consumer protection guidance

Ofgem has launched a consultation on draft guidance for heat networks consumer protection. The draft guidance covers the rules and requirements set out in Ofgem’s heat network authorisation conditions relating to standards of conduct, quality of service, billing transparency, back-billing, heat supply contracts, protections for vulnerable consumers and security of supply. The consultation closes on 17 October 2025.

DESNZ and OPRED consult on offshore installation decommissioning guidance and policy changes

The Department for Energy Security and Net Zero (DESNZ) and the Offshore Petroleum Regulator for Environment and Decommissioning (OPRED) have launched a consultation on offshore installation decommissioning. The consultation seeks views on draft supplementary guidance on the methodology for considering derogations under the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR) Decision 98/3 and associated policy changes for offshore oil and gas decommissioning. The new methodology requires an initial assessment of whether full removal is reasonably achievable, measured against five defined criteria, before a derogation proposal can be progressed. Policy proposals include a change to allow steel jackets to be cut and removed at or near seabed level rather than to three metres below the seabed. An assessment of the financial impact on the offshore oil and gas industry has also been published. The consultation closes on 31 October 2025.

Defra requests CCC to assess climate change adaptation planning assumptions

The Department for Environment, Food and Rural Affairs (Defra) has published a letter from the Minister for Water and Flooding, Emma Hardy, to the Climate Change Committee (CCC), requesting an assessment of the climate change assumptions that should be incorporated into government planning on climate adaptation. The request follows the CCC's April 2025 progress report on climate adaptation, which recommended improved objectives and targets. The assessment will inform the government's development of stronger objectives for managing climate risks.

Environment weekly highlights—4 September 2025

This week's edition of Environment weekly highlights includes: news analyses on the International Court of Justice (ICJ)'s first advisory opinion (AO) clarifying states' legal obligations relating to climate change, the UK's first claim under the International Centre for Settlement of Investment Disputes (ICSID) Convention showing bilateral investment treaty reach and the case of Smar v Secretary of State for Environment and Rural Affairs, relating to planning considerations and felling control. In addition this week, the Department for Energy Security and Net Zero (DESNZ) has published a policy overview of the UK Emissions Trading Scheme (UK ETS), detailing recent developments and upcoming changes and the Home Office has introduced a modern slavery optional international reporting template. Further this week, Spotlight on Corruption has published an analysis calling for the UK to establish a dedicated sanctions regime targeting environmental crimes.

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