There was no winner of Saturday's Lotto jackpot of £5.5 million, Camelot said.
The winning numbers were 24, 41, 13, 21, 35, 29 and the Bonus Ball was 08.
Set of balls one and draw machine Guinevere were used.
Wednesday's estimated jackpot is now £7.4m.
Five ticketholders matched five numbers plus the bonus to take home £83,107 while 243 won £1,451 for five numbers.
A total of 13,229 matched four numbers to claim £141 each, while 262,972 won £10 for matching three numbers.
Nobody won the top prize of £130,000 in the Lotto HotPicks draw.
In the Thunderball draw, the winning numbers were 19, 12, 24, 02, 13 and the Thunderball number was 11.
No-one won the £500,000 top prize.