Pizza Union is a fast-casual pizza chain in London known for its affordable and delicious pizzas. They offer a variety of thin-crust pizzas with a range of toppings, from classic margherita to more unique options like spicy salami and goat cheese. The pizzas are cooked in a high-temperature oven, resulting in a crispy crust and a quick cooking time. Pizza Union also offers a selection of salads and desserts to complete your meal. With its quick service and affordable prices, Pizza Union is a great choice for a quick and satisfying pizza fix.