Not comparable between England and Scotland due to question and category differences.
We are exploring the existence of similar data in the other countries.
Percentage of households containing a concealed household
English Housing Survey
Ministry of Housing, Communities and Local Government
EHS maintains the comparable time series on concealed households and sofa surfing in England.
Table AT 1.5 in Annex tables in the data source.
Percentage of households with at least one concealed family
Scottish Household Survey
One-off analysis at present
Data from multiple survey waves are pooled to provide a robust sample for analysis.