The Nash and Brandon Rooms are the perfect place for private celebrations, birthday parties and friends reunions. These beautiful Grade 1 listed rooms hold original Regency plasterwork and historic features by architect John Nash. Featuring floor to ceiling windows that open out onto three balconies overlooking St James’s Park, these versatile spaces can host birthday parties for up to 90 guests seated in one room, 150 across the two, as well as stand up receptions for up to 150 guests.