Estate agents Spicerhaart Corporate Sales, which compiled the research using its own data, said this was due to possessed properties being attractive to first time buyers and investors looking for chain free property.
In April, the average time taken for a possessed property transaction to complete from the day of possession was 106 days, 23 days quicker than a year previously.
The time from possession to market was nine days in April, and from possession to exchange 100 days, compared to 122 in May 2009.