Record #00373Architecture archive
Narrowest Habitable House Structure
Keret House in Warsaw, completed in 2012, measures just 92 cm at its narrowest and 152 cm at its widest. The habitable structure is legally classified as an art installation rather than a conventional dwelling.
ARCHIVE VISUAL / 01
NOT TO SCALE
Current Record
92cm
Current record value
- Holder
- Keret House
- Location
- Between Chłodna and Żelazna Streets, Warsaw · Keret House site · Poland
- Start date
- 2012
- Record status
- VerifiedView verification details ↗Report an issue
Overview
Archive NotePolish architect Jakub Szczęsny designed Keret House to fit in a gap between two existing Warsaw buildings, using a lightweight steel frame.
It has sleeping quarters, small kitchen and bathroom, linked by a ladder, over about 14 square metres of floor area. It does not satisfy local standard housing codes and is formally categorized as an art installation.
Record history
1 Milestones- 92 cmKeret HouseBetween Chłodna and Żelazna Streets, WarsawCurrent Record
Sources
Evidence & ReferencesVerification basis and limitations
VerifiedThe record conclusion has sufficient verification support.
Basis: direct confirmation by an authority
Original Guinness record explicitly certifies the comparative claim and recorded measurement or founding year.
- Verification assessment
- 2026-11-05
- Last editorial review
- 2026-11-05
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