How tall is a double royal mail lorry

According to Royal Mail's specifications, a Double Deck Royal Mail Lorry, also known as a "Double Decker" or "Double Height" vehicle, has the following dimensions:

The Double Deck Royal Mail Lorry is designed to carry two levels of mailbags, with the upper deck being slightly narrower than the lower deck. The vehicle is typically used for long-distance mail transportation and is an iconic sight on UK roads.

Please note that these dimensions may vary slightly depending on the specific vehicle configuration and any customizations made by Royal Mail or its contractors.