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St Magnus the Martyr: the Old Religious Gateway to London Bridge

Image credit: Jim Osley / Geograph Britain and Ireland · CC BY-SA 2.0 · 2021-07-14 ↗

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St Magnus the Martyr: the Old Religious Gateway to London Bridge

Lower Thames Street / London Bridge · St Paul’s → Tower Hill · Medieval bridge / pilgrims / Wren church / river history

Story

Before London Bridge shifted west in the nineteenth century, anyone crossing from Southwark emerged almost at the door of St Magnus the Martyr. For more than six hundred years the church stood beside the City’s principal southern gateway. Merchants, Canterbury pilgrims, carts, animals and the constant human traffic of the medieval bridge passed this point, when London Bridge functioned almost as a street suspended above the Thames. The parish existed in the Middle Ages and became closely tied to the old bridge. A chapel dedicated to St Thomas Becket stood on London Bridge for pilgrims, while St Magnus dominated the northern bridgehead. After the Great Fire, Wren rebuilt the church. When John Rennie’s new London Bridge opened farther west in 1831, St Magnus abruptly lost the urban role it had held for centuries. Look around the church for references to the old bridge and, if it is open, step inside. The best way to imagine the site is to erase the modern road system in your mind: the axis of the old bridge pointed directly towards this spot. What now feels like a church tucked behind traffic was once one of London’s great arrival points.

What to look for

References to Old London Bridge and the relationship of the tower to the old Fish Street Hill axis.

Secret detail

For centuries, much of the traffic arriving from south London emerged almost directly in front of this church.

Where exactly

Lower Thames Street beside Fish Street Hill. The pin marks the St Magnus entrance.

Orientation

From outside look towards the present bridge and mentally reconstruct the medieval bridge, whose northern end lay farther east.

Why it matters

It reveals London Bridge not as an isolated structure but as infrastructure that shaped the religious and commercial life of its bridgehead for centuries.

Access & opening

Exterior visible at all times; check church opening and services for interior access.

This stop works from the public exterior; no paid or interior entry is required.

We never show live status. Check opening hours before you go.

Accessibility

Public exterior is accessible; verify current interior step-free access live.

Verified: 2026-08-24Google Maps