What is london banquet hall?

As an AI language model, I don't have current information. However, I can provide you with some general information about banquet halls in London.

London is a city with a wide range of banquet halls and event spaces available for weddings, corporate events, and special occasions. The location, capacity, and amenities of these venues vary widely. Some of the popular banquet halls in London are:

1. The Savoy: This is a historic hotel in central London which offers several unique event spaces including a ballroom, river room, and Lancaster room.

2. The Dorchester: Located in the Mayfair district of London, the Dorchester has a variety of event spaces that can accommodate small as well as large groups.

3. The Landmark: This is a luxury hotel in Marylebone which offers several meeting rooms and event spaces for weddings, banquets, and conferences.

4. The Hammersmith Apollo: This is a famous event space in West London which is an ideal venue for music concerts, performances, and awards ceremonies.

5. The Royal Automobile Club: This is a private members club located in Pall Mall and it offers a range of beautifully decorated function rooms for weddings, receptions, and corporate events.

These are only examples of some of the unique and popular banquet halls in London, the city having many more options available for different functions.