Buying guides

Groceries

Helpful shopping advice for food, drink and everyday groceries.

Shopper checking grocery prices at self-checkout
Groceries

Compare Prices Properly in the UK: Check Unit Price, Checkout Total

The most reliable way to compare prices is to treat comparison tools as a starting point, not the final word: gather options across two or more sources, check the unit price for like-for-like comparisons, then open the retailer’s checkout to confirm the total cost including delivery and fees.

Published 9 October 2026