The Euston Square Hotel offers various room types including Double Rooms without Window, Superior Double Rooms, Single Rooms, Double Rooms, and Twin Rooms. The Double and Superior Double Rooms can accommodate 2 adults, while the Single and Twin Rooms can accommodate 1 or 2 adults. Smoking is not allowed in any of the rooms. The bed sizes range from Double beds in the Double and Superior Double Rooms to Twin beds in the Single and Twin Rooms. Room sizes range from 65 sqft for the Single Room to 129 sqft for the Double Room without Window.

Euston Square Hotel offers guests the opportunity to relax and unwind at the hotel's bar. This leisure amenity allows guests to enjoy their favorite beverages in a comfortable and inviting atmosphere. Whether they are looking to socialize with fellow guests or simply enjoy a quiet drink, the bar provides a space for guests to spend their leisure time.

In addition to the bar, the provided data does not list any other specific leisure amenities at Euston Square Hotel. However, guests may have access to basic facilities such as a reception area, elevators, and individual rooms with essential amenities. The hotel's convenient location near Euston Station also provides guests with easy access to various attractions and activities in the surrounding area. Overall, guests can make the most of their time at the hotel by enjoying the bar and exploring the nearby amenities and attractions.