Hotel Wiesler
Graz, Austria
Built 1909 · Last completed renovation 2018
Hotel Wiesler in Graz was last renovated in 2018, and originally built in 1909 (sourced renovations: 1986, 2018). Its HotelChrono freshness score is 7.2/10 — every date linked to a cited source.
Data check
- · Sources disagree on the opening year — under review
Renovation forecast · estimate
Next renovation expected around 2034
In about 8 years (≈16-year cycle). A model estimate, not a sourced fact.
Location
Satellite view · Graz, Austria
Timeline
1870
Guest houses merged into hotel
1909
Grand Hôtel Wiesler officially opened
1945
Hotel for British officers (1945-1954)
1986
First contemporary facelift
2010
Forego 5-star status, repositioned as independent hotel
2011
Room renovation in four phases (2011-2018)
2018
Complete renovation of all 102 rooms completed
2019
Restaurant Salon Marie officially reopened
2019
Hotel renamed back to Grand Hôtel Wiesler
2018
Renovation completed
⚖️ Star classification · Austria
Austria uses the Hotelstars Union system. A rating is valid for 3–6 years (5★ Superior: 3 years), after which re-classification is mandatory.
System: Hotelstars Union (WKO — Austrian Hotel Association)
“The rating has a limited validity of between three and six years and the classification procedure must be regularly repeated. For 5*Superior it is valid for three years.”
How this score is computed
Every figure here traces back to the sourced renovation year above — no hidden weighting, no black box. Recompute it yourself. See the full methodology →
What changed in the 2018 renovation
“Renovated in 2018, the four-star Graz hotel was built in 1909”— source · retrieved 2026-09-30
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Built
Sourced1909
Last completed renovation
Sourced2018
Renovation history (sourced)
Sources record multiple renovations (1986–2018). The Chrono Score uses the most recent completed one.
Sources
Our iron rule: no quote, no data. Every date links back to the exact sentence it came from.
“das am 17. Oktober 2019 als "Salon Marie" offiziell neu eröffnet wurde”
“Renovated in 2018, the four-star Graz hotel was built in 1909”
“In vier Bauperioden zwischen 2011 und 2018 wurden alle 102 Zimmer neu gestaltet”
“Im Mai 2010 wurde das Haus neu positioniert und ohne Sternekategorisierung als "Hotel Wiesler" weitergeführt”
“the Wiesler was given its first contemporary facelift in 1986”
“After a rough patch as a hotel for British officers from 1945 to 1954”
“Bevor das Haus 1909 schließlich als Grand Hôtel Wiesler eröffnete”
“guest houses purchased by the hotel's founder Carl Wiesler in 1870”
“Year Built: 1909”
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<a href="https://hotelchrono.com/hotel/wiesler-graz" target="_blank" rel="noopener"> <img src="https://hotelchrono.com/api/badge/wiesler-graz.svg" alt="Hotel Wiesler — Chrono Score, verified by HotelChrono" width="360" height="112"> </a>
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Frequently asked
When was Hotel Wiesler built?+
Hotel Wiesler (Graz, Austria) was built in 1909.
How old is Hotel Wiesler?+
Hotel Wiesler is 117 years old — it was built in 1909 and last renovated in 2018. Age measures the building; the Chrono Score measures how fresh it feels today.
When was Hotel Wiesler last renovated?+
Its most recent completed renovation was in 2018.
What is the Chrono Score of Hotel Wiesler?+
Its Chrono Score is 7.2/10 (Ageing) — a pure freshness metric.