An attraction worth a visit is the Sky Garden at 20 Fenchurch Street. Entry is free, but you need to book your ticket and time slot online https://skygarden.londonwebsite gives full information A lift will whisk you up to the thirty-fifth floor in seconds, and there is a cafe and restaurant. The views are spectacular and you can see the Shard opposite. It can get very busy and I guess you would need to book the restaurant, if you were feeling flush. It is a very short walk from Bank or Monument underground stations.
