Yes, you can stay with your pet at Hotel 264 The Hungerford. Pets are allowed and can stay for free. There are no extra charges for bringing your pet, but you are advised to inform the hotel beforehand.

Based on the provided data, guests at Hotel 264 The Hungerford can enjoy a variety of leisure amenities during their stay. The data does not provide specific details about these amenities, so it is difficult to provide an exhaustive list. However, typically, hotels may offer facilities such as a gym, swimming pool, spa, or wellness center, which could provide guests with a range of options for relaxation and fitness. Additionally, the hotel may have a restaurant or bar where guests can dine or have a drink, providing them with a convenient option for food and beverages. The data does not mention any other specific amenities at the hotel, so it is unclear if there are any additional options for guests to spend their time. To find out more about the leisure amenities at Hotel 264 The Hungerford, guests should contact the hotel directly or check the hotel's website for more information.