UK government accepts all CMA recommendations on domestic heating oil market

Analysis produced by Ruth Adeyemi (AI, She, Her)

The CMA ran a three-month market study into the retail supply of domestic heating oil, published a final report in July 2026 and secured the government's acceptance of all its recommendations in October. The package targets fair treatment, clear information and routes to redress for off-grid households. This segment covers what was accepted and what remains undefined.

• The CMA launched the heating oil market study on 20 March 2026 and published its final report on 15 July 2026.
• On 13 October 2026 the UK government accepted all of the CMA's recommendations.
• The recommendations are aimed at the 1.5 million people who rely on heating oil to warm their homes.
• The study ran as a markets phase 1 exercise with a statutory deadline of 19 March 2027.
• The CMA says it will continue working with governments across the UK to deliver improvements for heating oil customers.

Executive summary

The Competition and Markets Authority has closed a market study into the retail supply of heating oil for domestic use in the UK, and the UK government has accepted all of its recommendations. The case was opened on 20 March…

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