Here are two useful articles from the RHS about summer pruning apples and pears:
https://www.rhs.org.uk/advice/grow-your-own/features/summer-pruning-fruit-trees
Summer Prune Apples and Pears
August is the time.
Leeds Allotments Federation
August is the time.
Here are two useful articles from the RHS about summer pruning apples and pears:
https://www.rhs.org.uk/advice/grow-your-own/features/summer-pruning-fruit-trees