Directive (EU) 2019/771 of the European Parliament and of the Council of 20 May 2019 on certain aspects concerning contracts for the sale of goods, amending Regulation (EU) 2017/2394 and Directive 2009/22/EC, and repealing Directive 1999/44/EC (Text with EEA relevance) (c. 771)

Article 15 U.K. Price reduction

The reduction of price shall be proportionate to the decrease in the value of the goods which were received by the consumer compared to the value the goods would have if they were in conformity.