The Ambassador Seoul - A Pullman Hotel
Seoul, South Korea
Built 1955 · Last completed renovation 2022
The Ambassador Seoul - A Pullman Hotel in Seoul was last renovated in 2022, and originally built in 1955 (sourced renovations: 1999, 2019, 2022). Its HotelChrono freshness score is 8.6/10 — every date linked to a cited source.
Data check
- · Sources disagree on the opening year — under review
Renovation forecast · estimate
Next renovation expected around 2030
In about 4 years (≈8-year cycle). A model estimate, not a sourced fact.
Location
Satellite view · Seoul, South Korea
Timeline
1978
Opened as Hyatt Regency Seoul
1993
Rebranded from Hyatt Regency Seoul to Grand Hyatt Seoul
1999
Renovation works completed June 1999
2019
Full renovation of all 615 guestrooms and suites completed (phased 2016–2019)
2019
Grand Ballroom renovation completed
2022
Renovation completed
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 2022 renovation
“The Ambassador Seoul – A Pullman Hotel reopened on 27 January 2022, after an 18-month complete renovation.”— source · retrieved 2026-08-20
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
2★
Built
Estimated1955
Last completed renovation
Sourced2022
Renovation history (sourced)
Sources record multiple renovations (1999–2022). 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.
“The Ambassador Seoul – A Pullman Hotel reopened on 27 January 2022, after an 18-month complete renovation.”
“Renewal was carried out for all rooms in stages from 2016 to May 27, 2019, and for suites.”
“Grand Hyatt Seoul completed the extensive renovations of the hotel's Grand Ballroom, with the design done by HBA (Hirsch Bedner Associates).”
“On June 21, 1999, renovation works were carried out; the hotel planned to complete the second renovation project in August, the summer of 1999.”
“Hyatt Regency Seoul changed its official name to Grand Hyatt Seoul in May 1993 and joined Hyatt International's Grand Hyatt Group in the Asia-Pacific region.”
“Opened July 1, 1978”
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More hotels in Seoul
All hotels in Seoul →All Pullman hotels →Frequently asked
When was The Ambassador Seoul - A Pullman Hotel built?+
The Ambassador Seoul - A Pullman Hotel (Seoul, South Korea) was built in 1955.
How old is The Ambassador Seoul - A Pullman Hotel?+
The Ambassador Seoul - A Pullman Hotel is 71 years old — it was built in 1955 and last renovated in 2022. Age measures the building; the Chrono Score measures how fresh it feels today.
When was The Ambassador Seoul - A Pullman Hotel last renovated?+
Its most recent completed renovation was in 2022.
What is the Chrono Score of The Ambassador Seoul - A Pullman Hotel?+
Its Chrono Score is 8.6/10 (Fresh) — a pure freshness metric, separate from its 2-star rating.