Key points of Watch Dogs Legion - Southwark - Relics, Paste Up, Drinks, Darts
From this page of the guide to Watch Dogs Legion you will learn where all the Relics have been hidden in Southwark.
There are five relics in Southwark. These are as follows:
Bankside Playhouse 
A fragment of the Masquerade Ball Prop is located on the rooftop. Use the drone to get there.
Southwark Cathedral 
A fragment of a 17th Century Medical Saw can be found in the courtyard. There's a hole inside the wall. Let the Spiderbot in to take the relic.
Tidis Advanced Technologies 
A fragment of the 1984 is located in a closed room on the upper floor. To get to it, you need to go to the next room and get the key.
Queen's Walk 
Another fragment of the Masquerade Ball Prop is located in the bushes, right next to the river.
Civil Aviation Traffic Office 
Part of the Radio Londres Microphone can be found on the roof - simply fly there on a drone.