Conrad Athens The Ilisian
Athens, Greece
Built 1963 · Last completed renovation 2026
Conrad Athens The Ilisian in Athens was last renovated in 2026, and originally built in 1963 (sourced renovations: 2003, 2026). Its HotelChrono freshness score is 9.9/10 — every date linked to a cited source.
Renovation forecast · estimate
Next renovation expected around 2049
In about 23 years (≈23-year cycle). A model estimate, not a sourced fact.
Photo via Wikimedia Commons
Timeline
1963
Hilton Athens opened
2003
2004 Olympics renovation
2022
Hilton Athens closed for major renovation
2022
Major redevelopment and rebranding as Conrad begins
2026
Reopening as Conrad Athens The Ilisian
⚖️ Star classification · Greece
re-classified every 5 yearsStar certificates from the Hellenic Chamber of Hotels are valid 5 years, then a re-inspection is mandatory (or sooner if the property changes).
System: Hellenic Chamber of Hotels (Law 4276/2014)
“The Classification Certificate is valid for 5 years and is subject to a re-inspection following the expiry date or whenever a change takes place that impacts the operational or technical characteristics.”
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 2026 renovation
“Opened in 1963, it closed for renovations in January 2022 and re-opened in April 2026 where it houses the Conrad Athens The Ilisian, and new luxury residences under the Conrad a”— source · retrieved 2026-08-28
“On 23 April 2026, exactly 63 years after it first welcomed guests, the building reopened as Conrad Athens The Ilisian”— source · retrieved 2026-08-28
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
5★
Built
Sourced1963
Last completed renovation
Sourced2026
Renovation history (sourced)
Sources record multiple renovations (2003–2026). 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.
“Opened in 1963, it closed for renovations in January 2022 and re-opened in April 2026 where it houses the Conrad Athens The Ilisian, and new luxury residences under the Conrad a”
“On 23 April 2026, exactly 63 years after it first welcomed guests, the building reopened as Conrad Athens The Ilisian”
“Indeed as of midnight of January 31, 2022 Hilton Athens will cease to operate”
“Hilton Athens was renovated by Greek architects Alexandros Tombazis and Charis Bougadelis in 2003”
“On 23 April 2026, exactly 63 years after it first welcomed guests”
“The date is symbolic, as the 'Hilton' welcomed its first guest exactly 63 years ago, on April 23, 1963”
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More hotels in Athens
All hotels in Athens →All Conrad hotels →Frequently asked
When was Conrad Athens The Ilisian built?+
Conrad Athens The Ilisian (Athens, Greece) was built in 1963.
How old is Conrad Athens The Ilisian?+
Conrad Athens The Ilisian is 63 years old — it was built in 1963 and last renovated in 2026. Age measures the building; the Chrono Score measures how fresh it feels today.
When was Conrad Athens The Ilisian last renovated?+
Its most recent completed renovation was in 2026.
What is the Chrono Score of Conrad Athens The Ilisian?+
Its Chrono Score is 9.9/10 (Fresh) — a pure freshness metric, separate from its 5-star rating.