Big Rosti costs £7.89 at McDonald's in United Kingdom, as last recorded on 18 Oct 2026.
Based on the latest tracked prices, the Big Rosti from McDonald's costs £7.89 in the United Kingdom (October 2026). That's about 111% above the typical McDonald's World Menu Heist item — the 3rd-most-expensive of 14 we track. It's available at around 41 McDonald's locations across the United Kingdom. Prices are sourced from delivery platforms and refreshed regularly. Set a free alert to know the moment this price changes on MenuPriceToday.
How this compares in World Menu Heist
14 items tracked| This item | £7.89 |
| World Menu Heist median | £3.74 |
| Cheapest — Szechuan Sauce | £1 |
| Most expensive — McExtreme | £10.19 |
| vs World Menu Heist median | +111% |
Compare McDonald's prices across countries — Fast-Food Price Index →
Prices last updated 18 Oct 2026.
Similar McDonald's items by price
Sources & method
Prices come from delivery-platform menus (mainly Uber Eats in United Kingdom) and are refreshed about weekly. They are indicative: delivery-platform prices can differ from in-store prices, and each item shows the date it was last recorded. See the methodology and the editorial policy.
MenuPriceToday is not affiliated with McDonald's. Prices are indicative and may vary by location.