The Allegro Royal Sonesta Hotel Chicago Loop
Chicago, United States
Built 1926 · Last completed renovation 2015
The Allegro Royal Sonesta Hotel Chicago Loop in Chicago was last renovated in 2015, and originally built in 1926 (sourced renovations: 1998, 2015). Its HotelChrono freshness score is 6.2/10 — every date linked to a cited source.
Renovation forecast · estimate
Next renovation expected around 2032
In about 6 years (≈17-year cycle). A model estimate, not a sourced fact.
Location
Satellite view · Chicago, United States
Timeline
1926
Grand re-opening as rebuilt Bismarck Hotel
1998
$31 million renovation, reopened as Hotel Allegro
2015
Most recent completed renovation
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 2015 renovation
“When was the last time Venue The Allegro Royal Sonesta Hotel Chicago Loop was renovated? Renovated in 2015.”— source · retrieved 2026-10-22
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
4★
Built
Sourced1926
Last completed renovation
Sourced2015
Renovation history (sourced)
Sources record multiple renovations (1998–2015). The Chrono Score uses the most recent completed one.
Ownership & operator
Who runs and owns this hotel, at the company level — from public sources. The decision layer behind every renovation.
Ownership data depth
1/3 · 33%
- ✓ Operating brand
- ○ Management / operator
- ○ Ownership
FF&E supplier or contractor? The Renovation Radar package adds the ownership group, operator and a sourced public business contact for hotels approaching their renovation cycle.
See the Renovation Radar →Sources
Our iron rule: no quote, no data. Every date links back to the exact sentence it came from.
“When was the last time Venue The Allegro Royal Sonesta Hotel Chicago Loop was renovated? Renovated in 2015.”
“The block undergoes a $31 million renovation and reopens in 1998 as the Hotel Allegro; operations are handled by Kimpton Hotels.”
“At its grand re-opening in 1926, it anchored the renowned "Eitel Block."”
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Frequently asked
When was The Allegro Royal Sonesta Hotel Chicago Loop built?+
The Allegro Royal Sonesta Hotel Chicago Loop (Chicago, United States) was built in 1926.
How old is The Allegro Royal Sonesta Hotel Chicago Loop?+
The Allegro Royal Sonesta Hotel Chicago Loop is 100 years old — it was built in 1926 and last renovated in 2015. Age measures the building; the Chrono Score measures how fresh it feels today.
When was The Allegro Royal Sonesta Hotel Chicago Loop last renovated?+
Its most recent completed renovation was in 2015.
What is the Chrono Score of The Allegro Royal Sonesta Hotel Chicago Loop?+
Its Chrono Score is 6.2/10 (Ageing) — a pure freshness metric, separate from its 4-star rating.