Comfort Hotel Karl Johan
Oslo, Norway
Built 2015 · Last completed renovation 2021
Comfort Hotel Karl Johan in Oslo was last renovated in 2021, and originally built in 2015. Its HotelChrono freshness score is 8.3/10 — every date linked to a cited source.
Renovation forecast · estimate
Next renovation expected around 2029
In about 3 years (≈8-year cycle). A model estimate, not a sourced fact.
Location
Satellite view · Oslo, Norway
Timeline
2015
Hotel constructed
2021
Complete room 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 2021 renovation
“The 157 rooms were completely renovated in 2021”— source · retrieved 2026-06-24
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
3★
Built
Sourced2015
Last completed renovation
Estimated2021
Sources
Our iron rule: no quote, no data. Every date links back to the exact sentence it came from.
“The 157 rooms were completely renovated in 2021”
“Year Built: 2015”
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Frequently asked
When was Comfort Hotel Karl Johan built?+
Comfort Hotel Karl Johan (Oslo, Norway) was built in 2015.
How old is Comfort Hotel Karl Johan?+
Comfort Hotel Karl Johan is 11 years old — it was built in 2015 and last renovated in 2021. Age measures the building; the Chrono Score measures how fresh it feels today.
When was Comfort Hotel Karl Johan last renovated?+
Its most recent completed renovation was in 2021.
What is the Chrono Score of Comfort Hotel Karl Johan?+
Its Chrono Score is 8.3/10 (Fresh) — a pure freshness metric, separate from its 3-star rating.