What the trend suggests
Possible review removal2016-01 – 2017-0175% confidence
A 13-month gap with post-gap average declining from 5.0 to 4.42 (delta -0.58) suggests possible review suppression or filtering rather than renovation. The property remained closed to new reviews during this period, then resumed with a lower average rating, inconsistent with a renovation-driven reopening.
Possible decline2022-04 – 2022-0872% confidence
Consecutive months 2022-04 through 2022-08 show a sharp decline: 4.83 (Apr, aggregate) → 3.5 (Aug, 6 reviews), with a marked dip in Aug to 3.5. Q3 2022 snippets reveal two 1★ reviews citing refusal to accommodate cancellations and uncooperative staff, indicating an operational crisis. This is a statistically defensible 4+ month downtrend.
Issue resolved2018-01 – 2026-0878% confidence
Early reviews (2018–2020) mention no specific recurring structural complaints. Later periods (2023–2026) show consistent praise for renovated/modernized rooms, spacious accommodations, and contemporary amenities. One 2023 review notes 'rooms… etwas in die Jahre gekommen' (somewhat aged), but by 2026-Q1 reviews universally praise 'recently renovated' rooms with 'perfect insulation.' This suggests a property-wide modernization completed by late 2024–early 2025, resolving age-related concerns.
Possible recovery2022-09 – 2023-0371% confidence
Following the Aug 2022 operational crisis (3.5★), ratings recover: 2022-Q3 average ~3.33, then 2023-Q1 recovers to 4.375 (avg of 4, 5, 4, 5, 5). By 2023-Q3 all reviews are 4–5★ with no mention of service failures. This 6-month recovery from operational breakdown to sustained high ratings indicates management intervention and staff retraining.