This work is a vigorous, large-scale composition that demands significant technical stamina and dramatic projection. It is characterized by intense, rapid-fire sections contrasting with solemn, lyrical episodes.
The technical demand centers on rapid octave-runs and sustained energetic playing throughout the climax.
Comparable difficulty and character — good candidates for what to learn next.
Cambrian Ballade No.3 (Op.82) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 10.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 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 Cambrian Ballade No.3 (Op.82) lasts about 8 minutes.
Cambrian Ballade No.3 (Op.82) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Cambrian Ballade No. 2 by Joseph Holbrooke, Cambrian Ballade No. 4 by Joseph Holbrooke, Cambrian Ballade No.1 by Joseph Holbrooke — see the full similar-pieces list on this page.