Sustainable development in the design and technology curriculum

Key stage 3

3c Identify and use criteria to judge the quality of other people's products, including the extent to which they meet a clear need, their fitness for purpose, whether resources have been used appropriately, and their impact beyond the purpose for which they were designed

Key stage 4

1b Consider issues that affect their planning.
3c Ensure that their products are of a suitable quality for intended users and suggest modifications that would improve their performance if necessary.