buy more own brand food
write a shopping list and stick to it
dont overbuy fresh stuff that will end up in the bin
cut down/out take aways, they are expensive
drive more smoothly, no harsh braking or accelerating
look out for coupons/vouchers
stop buying magazines
look at your outgoings, see if you can find a way of shaving a few quid off anything you pay for regularly that may be not a necessity
de-clutter, go through your clutter, some of it you may be able to use again or maybe even sell