Bach's '6 English Suites' are monumental works for keyboard, renowned for their intricate counterpoint and diverse character within each dance movement. They represent a pinnacle of Baroque suite composition, demanding both technical prowess and interpretive depth.
Mastering the independent voices and complex fugal passages is the primary technical hurdle.
6 English Suites is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of 6 English Suites lasts about 60 minutes.
6 English Suites is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.