The scheme was introduced in 1991 so data on the number of houses surrendered in the initial year was not collected
Data on the number of houses surrendered for affordable housing do not exist prior to 2004.
The most current data is published on these sheets. Previously published data may be subject to revision. Any change from the originally published data will be highlighted by a comment on the cell in question. These comments will be maintained for at least a year after the date of the value change.