May be only my store but they normally seem to be pretty nationwide with their reduced stuff. Fraserburgh store had a large section of an aisle dedicated to reduced board games such as:
Monopoly Here & Now Electronic Edition £5.74 (£19.97 on Amazon)
Buckaroo £4.74 (£5.99 on Amazon)
Pop-up Pirate £2.49 (£6.99 on Amazon)
Travel Yahtzee £1.50 (£6.94 on Amazon)
Worth keeping an eye out for anyway! There were more games, this is just what I purchased.